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High · 7.8 Public exploit CVE-2026-43499 EUVD-2026-31277GHSA-cqc6-9f34-295v

rtmutex: Use waiter::task instead of current in remove_waiter()

Published May 21, 2026 · Updated Nov 10, 2026 · Assigned by Linux

Vendor: Linux Product: Linux Package: kernel Package: linux Package: linux Package: linux-allwinner-5.19 Package: linux-aws Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.13 Package: linux-aws-5.15 Package: linux-aws-5.19 Package: linux-aws-5.3 Package: linux-aws-5.4 Package: linux-aws-5.8 Package: linux-aws-6.14 Package: linux-aws-6.17 Package: linux-aws-6.2 Package: linux-aws-6.5 Package: linux-aws-6.8 Package: linux-aws-fips Package: linux-aws-hwe Package: linux-azure Package: linux-azure-4.15 Package: linux-azure-5.11 Package: linux-azure-5.13 Package: linux-azure-5.15 Package: linux-azure-5.19 Package: linux-azure-5.3 Package: linux-azure-5.4 Package: linux-azure-5.8 Package: linux-azure-6.11 Package: linux-azure-6.14 Package: linux-azure-6.17 Package: linux-azure-6.2 Package: linux-azure-6.5 Package: linux-azure-6.8 Package: linux-azure-edge Package: linux-azure-fde Package: linux-azure-fde-5.15 Package: linux-azure-fde-5.19 Package: linux-azure-fde-6.14 Package: linux-azure-fde-6.2 Package: linux-azure-fde-6.8 Package: linux-azure-fips Package: linux-azure-nvidia Package: linux-azure-nvidia-6.14 Package: linux-bluefield Package: linux-fips Package: linux-gcp Package: linux-gcp-4.15 Package: linux-gcp-5.11 Package: linux-gcp-5.13 Package: linux-gcp-5.15 Package: linux-gcp-5.19 Package: linux-gcp-5.3 Package: linux-gcp-5.4 Package: linux-gcp-5.8 Package: linux-gcp-6.11 Package: linux-gcp-6.14 Package: linux-gcp-6.17 Package: linux-gcp-6.2 Package: linux-gcp-6.5 Package: linux-gcp-6.8 Package: linux-gcp-fips Package: linux-gke Package: linux-gke-4.15 Package: linux-gke-5.15 Package: linux-gke-5.4 Package: linux-gkeop Package: linux-gkeop-5.15 Package: linux-gkeop-5.4 Package: linux-hwe Package: linux-hwe-5.11 Package: linux-hwe-5.13 Package: linux-hwe-5.15 Package: linux-hwe-5.19 Package: linux-hwe-5.4 Package: linux-hwe-5.8 Package: linux-hwe-6.11 Package: linux-hwe-6.14 Package: linux-hwe-6.17 Package: linux-hwe-6.2 Package: linux-hwe-6.5 Package: linux-hwe-6.8 Package: linux-hwe-7.0 Package: linux-hwe-edge Package: linux-ibm Package: linux-ibm-5.15 Package: linux-ibm-5.4 Package: linux-ibm-6.8 Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-intel-iotg Package: linux-intel-iotg-5.15 Package: linux-iot Package: linux-kvm Package: linux-lowlatency Package: linux-lowlatency-hwe-5.15 Package: linux-lowlatency-hwe-5.19 Package: linux-lowlatency-hwe-6.11 Package: linux-lowlatency-hwe-6.2 Package: linux-lowlatency-hwe-6.5 Package: linux-lowlatency-hwe-6.8 Package: linux-lts-xenial Package: linux-nvidia Package: linux-nvidia-6.11 Package: linux-nvidia-6.17 Package: linux-nvidia-6.2 Package: linux-nvidia-6.5 Package: linux-nvidia-6.8 Package: linux-nvidia-lowlatency Package: linux-nvidia-tegra Package: linux-nvidia-tegra-5.15 Package: linux-nvidia-tegra-igx Package: linux-oem Package: linux-oem-5.10 Package: linux-oem-5.13 Package: linux-oem-5.14 Package: linux-oem-5.17 Package: linux-oem-5.6 Package: linux-oem-6.0 Package: linux-oem-6.1 Package: linux-oem-6.11 Package: linux-oem-6.14 Package: linux-oem-6.17 Package: linux-oem-6.5 Package: linux-oem-6.8 Package: linux-oem-7.0 Package: linux-oracle Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.13 Package: linux-oracle-5.15 Package: linux-oracle-5.3 Package: linux-oracle-5.4 Package: linux-oracle-5.8 Package: linux-oracle-6.14 Package: linux-oracle-6.17 Package: linux-oracle-6.5 Package: linux-oracle-6.8 Package: linux-raspi Package: linux-raspi-5.4 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-realtime-6.14 Package: linux-realtime-6.17 Package: linux-realtime-6.8 Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.15 Package: linux-riscv-5.19 Package: linux-riscv-5.8 Package: linux-riscv-6.14 Package: linux-riscv-6.17 Package: linux-riscv-6.5 Package: linux-riscv-6.8 Package: linux-starfive-5.19 Package: linux-starfive-6.2 Package: linux-starfive-6.5 Package: linux-vmware Package: linux-xilinx Package: linux-xilinx-zynqmp Platform: Linux Ecosystem: Azure Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

In the Linux kernel, the following vulnerability has been resolved:

rtmutex: Use waiter::task instead of current in remove_waiter()

remove_waiter() is used by the slowlock paths, but it is also used for
proxy-lock rollback in rt_mutex_start_proxy_lock() when invoked from
futex_requeue().

In the latter case waiter::task is not current, but remove_waiter()
operates on current for the dequeue operation. That results in several
problems:

1) the rbtree dequeue happens without waiter::task::pi_lock being held

2) the waiter task's pi_blocked_on state is not cleared, which leaves a
dangling pointer primed for UAF around.

3) rt_mutex_adjust_prio_chain() operates on the wrong top priority waiter
task

Use waiter::task instead of current in all related operations in
remove_waiter() to cure those problems.

[ tglx: Fixup rt_mutex_adjust_prio_chain(), add a comment and amend the
changelog ]

Affected products

VendorProductAffectedFixed
Linux Linux 2.6.39 5.10.261

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 linux 7.0.4-1 —
Debian 13 linux 6.12.86-1 —
Debian 12 linux 6.1.176-1 —
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 24.04 LTS linux-bluefield 6.8.0-1028.33 —
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1097.99 —
Ubuntu 26.04 LTS linux 7.0.0-27.27 USN-8488-1
Ubuntu 26.04 LTS linux-aws +1 7.0.0-1008.8 USN-8489-1, USN-8488-1
Ubuntu 26.04 LTS linux-azure 7.0.0-1010.10 USN-8603-1
Ubuntu 26.04 LTS linux-gcp +1 7.0.0-1007.7 USN-8488-1
Ubuntu 26.04 LTS linux-ibm +1 7.0.0-1009.9 USN-8603-1, USN-8488-1
Ubuntu 26.04 LTS linux-nvidia 7.0.0-1013.13 USN-8507-1
Ubuntu 26.04 LTS linux-raspi 7.0.0-1014.14 USN-8488-2
Ubuntu 26.04 LTS linux-riscv +1 7.0.0-27.27.1 USN-8488-1
Ubuntu 25.10 linux +8 No fix yet —
Ubuntu 24.04 LTS linux 6.8.0-136.136 USN-8567-1
Ubuntu 24.04 LTS linux-aws 6.8.0-1061.64 USN-8595-2
Ubuntu 24.04 LTS linux-azure 6.8.0-1063.71 USN-8606-1
Ubuntu 24.04 LTS linux-azure-6.17 6.17.0-1022.22 USN-8636-1
Ubuntu 24.04 LTS linux-azure-fde 6.8.0-1062.69 USN-8607-1
Ubuntu 24.04 LTS linux-gcp 6.8.0-1064.72 USN-8567-1
Ubuntu 24.04 LTS linux-gcp-6.17 6.17.0-1022.25 USN-8636-1
Ubuntu 24.04 LTS linux-gke 6.8.0-1059.67 USN-8567-1
Ubuntu 24.04 LTS linux-gkeop 6.8.0-1046.50 USN-8567-1
Ubuntu 24.04 LTS linux-hwe-6.17 6.17.0-42.42 USN-8636-1
Ubuntu 24.04 LTS linux-hwe-7.0 7.0.0-28.28~24.04.1 USN-8569-1
Ubuntu 24.04 LTS linux-ibm 6.8.0-1061.62 USN-8574-3
Ubuntu 24.04 LTS linux-lowlatency 6.8.0-136.136.2 USN-8574-2
Ubuntu 24.04 LTS linux-nvidia 6.8.0-1059.62 USN-8596-1
Ubuntu 24.04 LTS linux-nvidia-6.17 6.17.0-1031.31 USN-8669-1
Ubuntu 24.04 LTS linux-nvidia-lowlatency 6.8.0-1059.62.1 USN-8596-1
Ubuntu 24.04 LTS linux-nvidia-tegra 6.8.0-1030.31 USN-8574-3
Ubuntu 24.04 LTS linux-oem-6.17 6.17.0-1032.32 USN-8636-1
Ubuntu 24.04 LTS linux-oracle 6.8.0-1058.61 USN-8574-2
Ubuntu 24.04 LTS linux-oracle-6.17 6.17.0-1020.20 USN-8636-2
Ubuntu 24.04 LTS linux-raspi 6.8.0-1061.65 USN-8665-1
Ubuntu 24.04 LTS linux-riscv +21 No fix yet —
Ubuntu 24.04 LTS linux-vmware 6.8.0-1008.8 —
Ubuntu 24.04 LTS linux-xilinx 6.8.0-1033.34 USN-8574-3
Show 22 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 22.04 LTS linux 5.15.0-187.197 USN-8631-1
Ubuntu 22.04 LTS linux-aws 5.15.0-1113.120 USN-8631-1
Ubuntu 22.04 LTS linux-aws-6.8 6.8.0-1061.64~22.04.1 USN-8595-3
Ubuntu 22.04 LTS linux-azure +1 5.15.0-1118.127 USN-8631-1
Ubuntu 22.04 LTS linux-azure-6.8 6.8.0-1063.71~22.04.1 USN-8606-1
Ubuntu 22.04 LTS linux-azure-fde-6.8 6.8.0-1062.69~22.04.1 USN-8609-1
Ubuntu 22.04 LTS linux-gcp 5.15.0-1114.124 USN-8661-1
Ubuntu 22.04 LTS linux-gcp-6.8 6.8.0-1064.72~22.04.1 USN-8567-1
Ubuntu 22.04 LTS linux-gke +1 5.15.0-1110.116 USN-8661-3, USN-8631-2
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1096.104 USN-8631-1
Ubuntu 22.04 LTS linux-hwe-6.8 6.8.0-136.136~22.04.1 USN-8619-1
Ubuntu 22.04 LTS linux-ibm 5.15.0-1107.111 USN-8631-1
Ubuntu 22.04 LTS linux-ibm-6.8 6.8.0-1061.62~22.04.1 USN-8574-3
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1108.114 USN-8631-1
Ubuntu 22.04 LTS linux-kvm 5.15.0-1105.110 USN-8631-1
Ubuntu 22.04 LTS linux-lowlatency 5.15.0-190.200 USN-8661-2
Ubuntu 22.04 LTS linux-lowlatency-hwe-6.8 6.8.0-136.136.2~22.04.1 USN-8574-2
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1108.109 USN-8631-1
Ubuntu 22.04 LTS linux-nvidia-6.8 6.8.0-1059.62~22.04.1 USN-8596-1
Ubuntu 22.04 LTS linux-nvidia-tegra 5.15.0-1065.67 USN-8631-1
Ubuntu 22.04 LTS linux-nvidia-tegra-igx 5.15.0-1054.54 USN-8631-3
Ubuntu 22.04 LTS linux-oracle-6.8 6.8.0-1058.61~22.04.1 USN-8595-1
Ubuntu 22.04 LTS linux-raspi 5.15.0-1108.111 USN-8661-5
Ubuntu 22.04 LTS linux-riscv +32 No fix yet —
Ubuntu 22.04 LTS linux-riscv-6.8 6.8.0-136.136~22.04.3 —
Ubuntu 22.04 LTS linux-xilinx-zynqmp 5.15.0-1076.80 USN-8631-1
Ubuntu 20.04 LTS linux-gke +28 No fix yet —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Ubuntu Pro Realtime 24.04 LTS linux-raspi-realtime 6.8.0-2050.52 USN-8665-1
Ubuntu Pro Realtime 24.04 LTS linux-realtime 6.8.1-1056.57 USN-8567-1
Ubuntu Pro Realtime 24.04 LTS linux-realtime-6.14 No fix yet —
Ubuntu Pro Realtime 24.04 LTS linux-realtime-6.17 6.17.0-1019.22 USN-8636-1
Ubuntu Pro Realtime 22.04 LTS linux-intel-iot-realtime 5.15.0-1105.107 USN-8631-1
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1112.121 USN-8631-1
Ubuntu Pro Realtime 22.04 LTS linux-realtime-6.8 6.8.1-1056.57~22.04.2 USN-8567-1
Ubuntu Pro FIPS 20.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 18.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 16.04 LTS linux-fips No fix yet —
Ubuntu Pro FIPS-updates 24.04 LTS linux-aws-fips 6.8.0-1061.64+fips1 USN-8595-3
Ubuntu Pro FIPS-updates 24.04 LTS linux-azure-fips 6.8.0-1063.71+fips2 USN-8608-1
Ubuntu Pro FIPS-updates 24.04 LTS linux-fips 6.8.0-136.136+fips2 USN-8574-2
Ubuntu Pro FIPS-updates 24.04 LTS linux-gcp-fips 6.8.0-1064.72+fips1 USN-8574-1
Ubuntu Pro FIPS-updates 22.04 LTS linux-aws-fips 5.15.0-1113.120+fips1 USN-8631-1
Ubuntu Pro FIPS-updates 22.04 LTS linux-azure-fips 5.15.0-1118.127+fips1 USN-8631-1
Ubuntu Pro FIPS-updates 22.04 LTS linux-fips 5.15.0-190.200+fips1 USN-8661-3
Ubuntu Pro FIPS-updates 22.04 LTS linux-gcp-fips 5.15.0-1114.124+fips1 USN-8661-1
Ubuntu Pro FIPS-updates 20.04 LTS linux-aws-fips 5.4.0-1163.174+fips1 USN-8715-2
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1167.173+fips1 USN-8666-2
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips 5.4.0-1136.146 USN-8666-1
Ubuntu Pro FIPS-updates 20.04 LTS linux-gcp-fips 5.4.0-1165.174+fips1 USN-8666-3
Ubuntu Pro FIPS-updates 18.04 LTS linux-aws-fips 4.15.0-2133.139 USN-8633-1
Ubuntu Pro FIPS-updates 18.04 LTS linux-azure-fips 4.15.0-2113.119 USN-8633-1
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips 4.15.0-1150.162 USN-8633-1
Ubuntu Pro FIPS-updates 18.04 LTS linux-gcp-fips 4.15.0-2096.102 USN-8633-1
Ubuntu Pro FIPS-updates 16.04 LTS linux-fips 4.4.0-1127.134 USN-8662-2
Ubuntu Pro FIPS-preview 22.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro 26.04 LTS linux 7.0.0-30.30 LSN-0122-1
Ubuntu Pro 26.04 LTS linux-aws 7.0.0-1011.11 LSN-0122-1
Ubuntu Pro 26.04 LTS linux-azure 7.0.0-1012.12 LSN-0122-1
Ubuntu Pro 26.04 LTS linux-gcp 7.0.0-1010.10 LSN-0122-1
Ubuntu Pro 24.04 LTS linux 6.8.0-142.142 LSN-0122-1
Ubuntu Pro 24.04 LTS linux-aws 6.8.0-1065.68 LSN-0122-1
Ubuntu Pro 24.04 LTS linux-azure 6.8.0-1068.76 LSN-0122-1
Ubuntu Pro 24.04 LTS linux-gcp 6.8.0-1069.77 LSN-0122-1
Ubuntu Pro 24.04 LTS linux-gke 6.8.0-1064.72 LSN-0122-1
Ubuntu Pro 24.04 LTS linux-ibm 6.8.0-1065.66 LSN-0122-1
Ubuntu Pro 24.04 LTS linux-oracle 6.8.0-1062.65 LSN-0122-1
Ubuntu Pro 22.04 LTS linux 5.15.0-202.212 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-aws 5.15.0-1119.126 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-aws-6.8 6.8.0-1065.68~22.04.1 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-azure 5.15.0-1125.134 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-gcp 5.15.0-1120.130 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-gcp-6.8 6.8.0-1069.77~22.04.1 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-gke 5.15.0-1115.121 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-hwe-6.8 6.8.0-149.149~22.04.1 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-ibm 5.15.0-1113.117 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-ibm-6.8 6.8.0-1066.67~22.04.1 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-lowlatency 5.15.0-197.207 LSN-0122-1
Ubuntu Pro 20.04 LTS linux 5.4.0-234.254 USN-8666-1, LSN-0122-1
Ubuntu Pro 20.04 LTS linux-aws 5.4.0-1162.173 USN-8666-1
Ubuntu Pro 20.04 LTS linux-aws-5.15 5.15.0-1114.121~20.04.1 USN-8661-4
Ubuntu Pro 20.04 LTS linux-azure 5.4.0-1167.173 USN-8666-1
Ubuntu Pro 20.04 LTS linux-azure-5.15 5.15.0-1119.128~20.04.1 USN-8661-1
Ubuntu Pro 20.04 LTS linux-azure-fde-5.15 5.15.0-1118.127~20.04.1 USN-8631-4
Ubuntu Pro 20.04 LTS linux-bluefield 5.4.0-1121.128 USN-8666-1
Ubuntu Pro 20.04 LTS linux-gcp 5.4.0-1165.174 USN-8666-1
Ubuntu Pro 20.04 LTS linux-gcp-5.15 5.15.0-1114.124~20.04.1 USN-8661-4
Ubuntu Pro 20.04 LTS linux-hwe-5.15 +1 5.15.0-190.200~20.04.1 USN-8661-1
Ubuntu Pro 20.04 LTS linux-ibm 5.4.0-1108.113 USN-8666-1
Ubuntu Pro 20.04 LTS linux-ibm-5.15 +1 5.15.0-1107.111~20.04.1 USN-8631-1
Ubuntu Pro 20.04 LTS linux-intel-iotg-5.15 5.15.0-1108.114~20.04.1 USN-8631-1
Ubuntu Pro 20.04 LTS linux-iot 5.4.0-1066.69 USN-8666-1
Ubuntu Pro 20.04 LTS linux-kvm 5.4.0-1149.158 USN-8667-1
Ubuntu Pro 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1065.67~20.04.1 USN-8631-1
Ubuntu Pro 20.04 LTS linux-oracle 5.4.0-1160.170 USN-8666-1
Ubuntu Pro 20.04 LTS linux-oracle-5.15 5.15.0-1110.116~20.04.1 USN-8631-1
Ubuntu Pro 20.04 LTS linux-raspi 5.4.0-1145.158 USN-8666-1
Ubuntu Pro 20.04 LTS linux-xilinx-zynqmp 5.4.0-1080.84 USN-8666-1
Ubuntu Pro 18.04 LTS linux 4.15.0-254.266 USN-8633-1, LSN-0122-1
Ubuntu Pro 18.04 LTS linux-aws 4.15.0-1195.208 USN-8633-1, LSN-0122-1
Ubuntu Pro 18.04 LTS linux-aws-5.4 5.4.0-1162.173~18.04.1 USN-8666-1
Ubuntu Pro 18.04 LTS linux-azure-4.15 4.15.0-1205.220 USN-8633-1, LSN-0122-1
Ubuntu Pro 18.04 LTS linux-azure-5.4 5.4.0-1167.173~18.04.1 USN-8666-2
Ubuntu Pro 18.04 LTS linux-gcp-4.15 4.15.0-1188.205 USN-8633-1, LSN-0122-1
Ubuntu Pro 18.04 LTS linux-gcp-5.4 5.4.0-1165.174~18.04.1 USN-8666-1
Ubuntu Pro 18.04 LTS linux-hwe-5.4 5.4.0-234.254~18.04.1 USN-8666-1, LSN-0122-1
Ubuntu Pro 18.04 LTS linux-ibm-5.4 5.4.0-1108.113~18.04.1 USN-8666-1
Ubuntu Pro 18.04 LTS linux-kvm 4.15.0-1177.182 USN-8633-1
Ubuntu Pro 18.04 LTS linux-oracle 4.15.0-1158.169 USN-8645-1, LSN-0122-1
Ubuntu Pro 18.04 LTS linux-oracle-5.4 5.4.0-1161.171~18.04.1 USN-8715-1
Ubuntu Pro 18.04 LTS linux-raspi-5.4 5.4.0-1145.158~18.04.1 USN-8666-1
Ubuntu Pro 16.04 LTS linux 4.4.0-284.318 USN-8662-1, LSN-0122-1
Ubuntu Pro 16.04 LTS linux-aws 4.4.0-1195.210 USN-8662-1, LSN-0122-1
Ubuntu Pro 16.04 LTS linux-aws-hwe 4.15.0-1195.208~16.04.1 USN-8633-2, LSN-0122-1
Ubuntu Pro 16.04 LTS linux-azure 4.15.0-1205.220~16.04.1 USN-8633-2, LSN-0122-1
Ubuntu Pro 16.04 LTS linux-gcp 4.15.0-1188.205~16.04.1 USN-8633-2, LSN-0122-1
Ubuntu Pro 16.04 LTS linux-hwe 4.15.0-254.266~16.04.1 USN-8633-2, LSN-0122-1
Ubuntu Pro 16.04 LTS linux-kvm 4.4.0-1158.169 USN-8662-1
Ubuntu Pro 16.04 LTS linux-oracle 4.15.0-1158.169~16.04.1 USN-8645-1
Ubuntu Pro 14.04 LTS linux 3.13.0-215.266 USN-8634-1
Ubuntu Pro 14.04 LTS linux-aws 4.4.0-1157.163 USN-8662-1
Ubuntu Pro 14.04 LTS linux-azure 4.15.0-1205.220~14.04.1 USN-8635-1
Ubuntu Pro 14.04 LTS linux-lts-xenial 4.4.0-284.318~14.04.1 USN-8662-1
ReleasePackageFixed inAdvisory
RHEL 10 kpatch-patch-6_12_0-211_16_1 1-7.el10_2 RHSA-2026:59143
RHEL 10 rv +76 6.12.0-211.33.1.el10_2 RHSA-2026:38492
RHEL 9 kpatch-patch-5_14_0-687_10_1 1-7.el9_8 RHSA-2026:59149
RHEL 9 rv +75 5.14.0-687.25.1.el9_8 RHSA-2026:38491
RHEL 8 kernel-rt +12 4.18.0-553.143.1.rt7.484.el8_10 RHSA-2026:39082
RHEL 8 kpatch-patch-4_18_0-553_109_1 1-10.el8_10 RHSA-2026:59146
RHEL 8 kpatch-patch-4_18_0-553_125_1 1-7.el8_10 RHSA-2026:59146
RHEL 8 kpatch-patch-4_18_0-553_53_1 1-17.el8_10 RHSA-2026:59146
RHEL 8 kpatch-patch-4_18_0-553_72_1 1-14.el8_10 RHSA-2026:59146
RHEL 8 kpatch-patch-4_18_0-553_85_1 1-12.el8_10 RHSA-2026:59146
RHEL 8 perf +26 4.18.0-553.143.1.el8_10 RHSA-2026:39083
Show 14 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Red Hat Rhel Extras Rt Els 7 kernel-rt +7 3.10.0-1160.156.1.rt56.1308.el7 RHSA-2026:41234
RHEL 10.0 EUS rv +77 6.12.0-55.89.1.el10_0 RHSA-2026:41062
RHEL 9.6 EUS kpatch-patch-5_14_0-570_116_1 1-8.el9_6 RHSA-2026:59148
RHEL 9.6 EUS kpatch-patch-5_14_0-570_17_1 1-23.el9_6 RHSA-2026:59148
RHEL 9.6 EUS kpatch-patch-5_14_0-570_39_1 1-14.el9_6 RHSA-2026:59148
RHEL 9.6 EUS kpatch-patch-5_14_0-570_66_1 1-13.el9_6 RHSA-2026:59148
RHEL 9.6 EUS kpatch-patch-5_14_0-570_94_1 1-11.el9_6 RHSA-2026:59148
RHEL 9.6 EUS rv +77 5.14.0-570.128.1.el9_6 RHSA-2026:40425
RHEL 9.4 E4S bpftool 7.3.0-427.138.1.el9_4 RHSA-2026:41063
RHEL 9.4 E4S kpatch-patch-5_14_0-427_100_1 1-13.el9_4 RHSA-2026:59145
RHEL 9.4 E4S kpatch-patch-5_14_0-427_113_1 1-11.el9_4 RHSA-2026:59145
RHEL 9.4 E4S kpatch-patch-5_14_0-427_126_1 1-8.el9_4 RHSA-2026:59145
RHEL 9.4 E4S kpatch-patch-5_14_0-427_68_2 1-20.el9_4 RHSA-2026:59145
RHEL 9.4 E4S kpatch-patch-5_14_0-427_84_1 1-15.el9_4 RHSA-2026:59145
RHEL 9.4 E4S rv +62 5.14.0-427.138.1.el9_4 RHSA-2026:41063
RHEL 9.2 E4S bpftool 7.0.0-284.181.1.el9_2 RHSA-2026:40082
RHEL 9.2 E4S kernel-rt +14 5.14.0-284.181.1.rt14.466.el9_2 RHSA-2026:39983
RHEL 9.2 E4S kpatch-patch-5_14_0-284_117_1 1-20.el9_2 RHSA-2026:59147
RHEL 9.2 E4S kpatch-patch-5_14_0-284_134_1 1-14.el9_2 RHSA-2026:59147
RHEL 9.2 E4S kpatch-patch-5_14_0-284_148_1 1-12.el9_2 RHSA-2026:59147
RHEL 9.2 E4S kpatch-patch-5_14_0-284_158_1 1-10.el9_2 RHSA-2026:59147
RHEL 9.2 E4S kpatch-patch-5_14_0-284_172_1 1-7.el9_2 RHSA-2026:59147
RHEL 9.2 E4S perf +47 5.14.0-284.181.1.el9_2 RHSA-2026:40082
RHEL 8.8 TUS perf +17 4.18.0-477.152.1.el8_8 RHSA-2026:40760
RHEL 8.8 E4S kpatch-patch-4_18_0-477_107_1 1-13.el8_8 RHSA-2026:59142
RHEL 8.8 E4S kpatch-patch-4_18_0-477_120_1 1-12.el8_8 RHSA-2026:59142
RHEL 8.8 E4S kpatch-patch-4_18_0-477_130_1 1-10.el8_8 RHSA-2026:59142
RHEL 8.8 E4S kpatch-patch-4_18_0-477_143_1 1-6.el8_8 RHSA-2026:59142
RHEL 8.8 E4S kpatch-patch-4_18_0-477_97_1 1-17.el8_8 RHSA-2026:59142
RHEL 8.8 E4S perf +18 4.18.0-477.152.1.el8_8 RHSA-2026:40760
RHEL 8.6 EUS Long Life perf +17 4.18.0-372.201.1.el8_6 RHSA-2026:40068
RHEL 8.6 AUS perf +17 4.18.0-372.201.1.el8_6 RHSA-2026:40068
RHEL 8.4 EUS Long Life perf +17 4.18.0-305.198.1.el8_4 RHSA-2026:39984
RHEL 8.4 AUS perf +17 4.18.0-305.198.1.el8_4 RHSA-2026:39984
RHEL 7 ELS perf +18 3.10.0-1160.156.1.el7 RHSA-2026:41235
RHEL 6 ELS perf +13 2.6.32-754.62.1.el6 RHSA-2026:41920
Red Hat Enterprise Linux Nvidia 10 libperf +5 6.12.0-259.26.el10nv RHSA-2026:73187
Red Hat Enterprise Linux Nvidia 10 rv +35 6.12.0-231.16.el10nv RHSA-2026:73187, RHSA-2026:37728

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 10 rv +74 6.12.0-211.33.1.el10_2 ALSA-2026:38492
AlmaLinux 9 rv +73 5.14.0-687.25.1.el9_8 ALSA-2026:38491
AlmaLinux 8 kernel-rt +9 4.18.0-553.143.1.rt7.484.el8_10 ALSA-2026:39082
AlmaLinux 8 perf +24 4.18.0-553.143.1.el8_10 ALSA-2026:39083

Rocky Linux

Errata ↗
ReleasePackageFixed inAdvisory
Rocky Linux 10 kernel 6.12.0-211.33.1.el10_2 RLSA-2026:38492
Rocky Linux 9 kernel 5.14.0-687.25.1.el9_8 RLSA-2026:38491
ReleasePackageFixed inAdvisory
SLES 15 SP7 kernel-64kb +6 6.4.0-150700.53.60.1 SUSE-SU-2026:2482-1
SLES 15 SP7 kernel-default-base 6.4.0-150700.53.60.1.150700.17.35.4 SUSE-SU-2026:2482-1
SLES 15 SP7 kernel-obs-build 6.4.0-150700.53.60.2 SUSE-SU-2026:2482-1
SLES 15 SP6 kernel-64kb +6 6.4.0-150600.23.115.1 SUSE-SU-2026:2310-1
SLES 15 SP6 kernel-default-base 6.4.0-150600.23.115.1.150600.12.54.1 SUSE-SU-2026:2310-1
SLES 15 SP5 kernel-64kb +6 5.14.21-150500.55.169.1 SUSE-SU-2026:2421-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.169.1.150500.6.79.1 SUSE-SU-2026:2421-1
SLES 15 SP4 kernel-64kb +6 5.14.21-150400.24.222.1 SUSE-SU-2026:2383-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.222.1.150400.24.112.1 SUSE-SU-2026:2383-1
SLES 12 SP5 kernel-syms +2 4.12.14-122.317.1 SUSE-SU-2026:2450-1
Show 20 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES 11 SP4 kernel-ec2 +6 3.0.101-108.210.1 SUSE-SU-2026:2317-1
SLES for SAP 16.0 kernel-64kb +8 6.12.0-160000.34.1 SUSE-SU-2026:22087-1
SLES for SAP 16.0 kernel-default-base 6.12.0-160000.34.1.160000.2.15 SUSE-SU-2026:22087-1
SLES for SAP 15 SP6 kernel-default-base 6.4.0-150600.23.115.1.150600.12.54.1 SUSE-SU-2026:2310-1
SLES for SAP 15 SP6 kernel-docs +4 6.4.0-150600.23.115.1 SUSE-SU-2026:2310-1
SLES for SAP 15 SP5 kernel-default-base 5.14.21-150500.55.169.1.150500.6.79.1 SUSE-SU-2026:2421-1
SLES for SAP 15 SP5 kernel-docs +4 5.14.21-150500.55.169.1 SUSE-SU-2026:2421-1
SLES for SAP 15 SP4 kernel-default-base 5.14.21-150400.24.222.1.150400.24.112.1 SUSE-SU-2026:2383-1
SLES for SAP 15 SP4 kernel-docs +4 5.14.21-150400.24.222.1 SUSE-SU-2026:2383-1
SLES 16.0 kernel-64kb +8 6.12.0-160000.34.1 SUSE-SU-2026:22087-1, SUSE-SU-2026:22076-1
SLES 16.0 kernel-default-base 6.12.0-160000.34.1.160000.2.15 SUSE-SU-2026:22087-1
SLE Micro 6.2 kernel-default-base 6.12.0-160000.34.1.160000.2.15 SUSE-SU-2026:22048-1
SLE Micro 6.2 kernel-rt +5 6.12.0-160000.34.1 SUSE-SU-2026:22048-1, SUSE-SU-2026:22043-1
SLE Micro 6.1 kernel-default-base 6.4.0-47.1.21.24 SUSE-SU-2026:22137-1
SLE Micro 6.1 kernel-rt +1 6.4.0-48.1 SUSE-SU-2026:22458-1
SLE Micro 6.1 kernel-source +2 6.4.0-47.1 SUSE-SU-2026:22137-1
SLE Micro 6.0 kernel-default-base 6.4.0-47.1.21.24 SUSE-SU-2026:22108-1
SLE Micro 6.0 kernel-rt +1 6.4.0-48.1 SUSE-SU-2026:22433-1
SLE Micro 6.0 kernel-source +2 6.4.0-47.1 SUSE-SU-2026:22108-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.169.1.150500.6.79.1 SUSE-SU-2026:2421-1
SLE Micro 5.5 kernel-rt +1 5.14.21-150500.13.143.1 SUSE-SU-2026:2332-1
SLE Micro 5.5 kernel-source +1 5.14.21-150500.55.169.1 SUSE-SU-2026:2421-1
SLE Micro 5.4 kernel-default-base 5.14.21-150400.24.222.1.150400.24.112.1 SUSE-SU-2026:2383-1
SLE Micro 5.4 kernel-rt +1 5.14.21-150400.15.170.1 SUSE-SU-2026:2331-1
SLE Micro 5.4 kernel-source +1 5.14.21-150400.24.222.1 SUSE-SU-2026:2383-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.222.1.150400.24.112.1 SUSE-SU-2026:2383-1
SLE Micro 5.3 kernel-rt +1 5.14.21-150400.15.170.1 SUSE-SU-2026:2331-1
SLE Micro 5.3 kernel-source +1 5.14.21-150400.24.222.1 SUSE-SU-2026:2383-1
SLE Live Patching 15 SP7 kernel-default 6.4.0-150700.53.60.1 SUSE-SU-2026:2482-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7-RT_Update_16 1-150700.1.5.2 SUSE-SU-2026:2591-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7_Update_16 1-150700.15.3.2 SUSE-SU-2026:2482-1
SLE Live Patching 15 SP6 kernel-default 6.4.0-150600.23.115.1 SUSE-SU-2026:2310-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6_Update_27 1-150600.13.3.1 SUSE-SU-2026:2310-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.169.1 SUSE-SU-2026:2421-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_41 1-150500.11.3.1 SUSE-SU-2026:2421-1
SLE Live Patching 15 SP4 kernel-default 5.14.21-150400.24.222.1 SUSE-SU-2026:2383-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_55 1-150400.9.3.1 SUSE-SU-2026:2383-1
SLE Live Patching 12 SP5 kernel-default 4.12.14-122.317.1 SUSE-SU-2026:2450-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_84 1-8.7.1 SUSE-SU-2026:2450-1
SLE HPC 15 SP5 kernel-64kb +5 5.14.21-150500.55.169.1 SUSE-SU-2026:2421-1
SLE HPC 15 SP5 kernel-default-base 5.14.21-150500.55.169.1.150500.6.79.1 SUSE-SU-2026:2421-1
SLE HPC 15 SP4 kernel-64kb +5 5.14.21-150400.24.222.1 SUSE-SU-2026:2383-1
SLE HPC 15 SP4 kernel-default-base 5.14.21-150400.24.222.1.150400.24.112.1 SUSE-SU-2026:2383-1
SUSE Real Time Module 15 SP7 kernel-rt +1 6.4.0-150700.7.59.2 SUSE-SU-2026:2591-1
SUSE Real Time Module 15 SP7 kernel-syms-rt 6.4.0-150700.7.59.1 SUSE-SU-2026:2591-1
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed kernel-source 7.0.10-1.1 openSUSE-SU-2026:10859-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 kernel-livepatch-6.18.30-61.116 +2 1:1.0-0.amzn2023 ALAS2023-2026-1882, ALAS2023-2026-1754, ALAS2023-2026-1753
Amazon Linux 2023 perf +11 1:6.1.175-219.357.amzn2023 ALAS2023-2026-1882
Amazon Linux 2023 perf6.12 +11 1:6.12.88-119.157.amzn2023 ALAS2023-2026-1753
Amazon Linux 2023 perf6.18 +11 1:6.18.30-61.116.amzn2023 ALAS2023-2026-1754
Amazon Linux 2 kernel-livepatch-4.14.355-284.740 1.0-0.amzn2 ALAS2-2026-3801
Amazon Linux 2 perf +8 4.14.355-284.740.amzn2 ALAS2-2026-3801

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 3 kernel 6.6.141.1-1 —

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 10 rv +29 6.12.0-211.34.1.el10_2 ELSA-2026-38492
Oracle Linux 9 kernel-uek +34 6.12.0-203.76.7.5.el10uek ELSA-2026-50372, ELSA-2026-50319
Oracle Linux 9 rv +28 5.14.0-687.25.1.el9_8 ELSA-2026-38491
Oracle Linux 8 kernel-uek +17 5.15.0-322.203.3.3.el9uek ELSA-2026-50387
Oracle Linux 8 perf +19 4.18.0-553.143.1.el8_10 ELSA-2026-50387, ELSA-2026-39083
Oracle Linux 7 kernel-uek +6 5.4.17-2136.357.3.2.el8uek ELSA-2026-500121, ELSA-2026-50388
Oracle Linux 7 kernel-uek-tools 5.4.17-2136.357.3.2.el7uek ELSA-2026-500121, ELSA-2026-50388

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 196 repositories · most starred shown

  • YuKongA/ghostlock-app ★ 2,943 · Jul 29, 2026

    GhostLock One-Tap Execution App (CVE-2026-43499)

  • BuSung-dev/Root-My-Galaxy ★ 1,624 · Jul 17, 2026

    KSU installer for supported Samsung Galaxy firmware with CVE-2026-43499

  • 基于内核漏洞CVE-2026-43499的本地提权适配,集成嵌入式 KernelSU.CVE-2026-43499+KernelSU越狱模式

  • alex193a/Root-My-Pixel ★ 505 · Aug 2, 2026

    Jailbreak supported Google Pixel phones with CVE-2026-43499

  • JoinChang/ghostlock-oneplus ★ 464 · Jul 12, 2026

    GhostLock (CVE-2026-43499) kernel exploit for Android devices with locked bootloader

  • hmascs/KSuRoot ★ 292 · Aug 14, 2026

    KSuRoot 4.0.0 — 基于 CVE-2026-43499(GhostLock) 的一键 KernelSU 提权工具。多内核支持:6.1 / 6.6 / 6.12 三族各有专属基线,另有 50 档上游内核适配;多机型动态库内置:122 条厂商载荷(vivo/iQOO、小米、三星、Pixel 等)离线可用、按机型+内核+commit 三级匹配;新增「载荷构建」用本机 boot.img 解析…

  • x-spy/CVE-2026-43499-popsicle ★ 262 · Jul 12, 2026

    CVE-2026-43499 Implementation for 6.12.23-android16-5-g75e9b1c7ae7c-abogki463945075-4k

  • MobiusM/CVE-2026-43499 ★ 164 · Jun 27, 2026

    CVE-2026-43499 PoC

  • NanoTurtle1145/root-my-s24 ★ 126 · Aug 16, 2026

    Using CVE-2026-43499/CVE-2026-98260 to root your Galaxy S24 Series(SM-S92X0 ,(China / Hong Kong SAR / Taiwan))

  • Linuxoid-cn/CVE-2026-43499-Poc-Analysis ★ 118 · Jul 14, 2026

    Vulnerability analysis and Proof of Concept (PoC) for CVE-2026-43499 affecting Xiaomi devices. For educational and research purposes only.

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 50

References