Description
An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458.
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 5.10.12-1 | — |
| Debian 13 | linux | 5.10.12-1 | — |
| Debian 12 | linux | 5.10.12-1 | — |
| Debian 10 | linux | 4.19.171-2 | DSA-4843-1 |
| Debian 9 | linux | 4.9.258-1 | DLA-2586-1 |
| Debian 9 | linux-4.19 | 4.19.171-2~deb9u1 | DLA-2557-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-realtime +1 | No fix yet | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-67.75 | USN-4878-1 |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1039.41 | USN-4878-1 |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1041.43 | USN-4878-1 |
| Ubuntu 20.04 LTS | linux-gcp | 5.4.0-1038.41 | USN-4878-1 |
| Ubuntu 20.04 LTS | linux-gke | 5.4.0-1037.39 | — |
| Ubuntu 20.04 LTS | linux-gkeop | 5.4.0-1011.12 | USN-4878-1 |
| Ubuntu 20.04 LTS | linux-hwe-5.8 | 5.8.0-49.55~20.04.1 | USN-4910-1 |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1034.35 | USN-4878-1 |
| Ubuntu 20.04 LTS | linux-oem-5.10 | 5.10.0-1017.18 | USN-4884-1 |
| Ubuntu 20.04 LTS | linux-oracle | 5.4.0-1039.42 | USN-4878-1 |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1030.33 | USN-4878-1 |
| Ubuntu 20.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-riscv-5.8 | 5.8.0-22.24~20.04.1 | — |
| Ubuntu 18.04 LTS | linux | 4.15.0-141.145 | USN-4907-1 |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1098.105 | USN-4907-1 |
| Ubuntu 18.04 LTS | linux-aws-5.4 | 5.4.0-1039.41~18.04.1 | USN-4878-1 |
| Ubuntu 18.04 LTS | linux-azure-4.15 | 4.15.0-1112.125 | USN-4907-1 |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1041.43~18.04.1 | USN-4878-1 |
| Ubuntu 18.04 LTS | linux-dell300x | 4.15.0-1016.20 | USN-4907-1 |
| Ubuntu 18.04 LTS | linux-gcp +13 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-4.15 | 4.15.0-1097.110 | USN-4907-1 |
| Ubuntu 18.04 LTS | linux-gcp-5.4 | 5.4.0-1038.41~18.04.1 | USN-4878-1 |
| Ubuntu 18.04 LTS | linux-gke-5.4 | 5.4.0-1037.39~18.04.1 | USN-4878-1 |
| Ubuntu 18.04 LTS | linux-gkeop-5.4 | 5.4.0-1011.12~18.04.2 | USN-4878-1 |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-67.75~18.04.1 | USN-4878-1 |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1089.91 | USN-4907-1 |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1069.77 | USN-4907-1 |
| Ubuntu 18.04 LTS | linux-oracle-5.4 | 5.4.0-1039.42~18.04.1 | USN-4878-1 |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1030.33~18.04.1 | USN-4878-1 |
| Ubuntu 18.04 LTS | linux-raspi2 | 4.15.0-1083.88 | USN-4907-1 |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1100.109 | USN-4907-1 |
| Ubuntu 16.04 LTS | linux | 4.4.0-208.240 | — |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1126.140 | — |
| Ubuntu 16.04 LTS | linux-aws-hwe | 4.15.0-1098.105~16.04.1 | USN-4907-1 |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1112.124~16.04.1 | USN-4907-1 |
| Ubuntu 16.04 LTS | linux-gcp | 4.15.0-1097.110~16.04.1 | USN-4907-1 |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-142.146~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu 16.04 LTS | linux-kvm | 4.4.0-1091.100 | — |
| Ubuntu 16.04 LTS | linux-oracle | 4.15.0-1069.77~16.04.1 | USN-4907-1 |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS 20.04 LTS | linux-aws-fips +2 | 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 20.04 LTS | linux-aws-fips | 5.4.0-1069.73+fips2 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1073.76+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | 5.4.0-1067.71~20.04.1 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-aws-fips | 4.15.0-2041.43 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-azure-fips | 4.15.0-2024.27 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips | 4.15.0-1057.65 | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1060.66 | — |
| Ubuntu Pro 20.04 LTS | linux-azure-fde-5.15 | 5.15.0-1114.123~20.04.1 | — |
| Ubuntu Pro 14.04 LTS | linux | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux-aws | 4.4.0-1090.94 | — |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1112.124~14.04.1 | USN-4907-1 |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-208.240~14.04.1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | kernel-rt +12 | 4.18.0-240.22.1.rt7.77.el8_3 | RHSA-2021:1081 |
| RHEL 8 | perf +26 | 4.18.0-240.22.1.el8_3 | RHSA-2021:1093 |
| RHEL 7 | kernel-alt | 4.14.0-115.36.1.el7a | RHSA-2021:1379 |
| RHEL 7 | kernel-rt +10 | 3.10.0-1160.31.1.rt56.1169.el7 | RHSA-2021:2316 |
| RHEL 7 | kpatch-patch-3_10_0-1160 +3 | 1-6.el7 | RHSA-2021:2285 |
| RHEL 7 | kpatch-patch-3_10_0-1160_11_1 +1 | 1-5.el7 | RHSA-2021:2285 |
| RHEL 7 | kpatch-patch-3_10_0-1160_21_1 | 1-3.el7 | RHSA-2021:2285 |
| RHEL 7 | kpatch-patch-3_10_0-1160_24_1 +1 | 1-1.el7 | RHSA-2021:2285 |
| RHEL 7 | perf +18 | 3.10.0-1160.31.1.el7 | RHSA-2021:2314, RHSA-2021:1379 |
Show 14 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8.2 EUS | kernel-rt +12 | 4.18.0-193.51.1.rt13.101.el8_2 | RHSA-2021:1279 |
| RHEL 8.2 EUS | kpatch-patch-4_18_0-193 | 1-13.el8 | RHSA-2021:1295 |
| RHEL 8.2 EUS | kpatch-patch-4_18_0-193_13_2 +2 | 1-8.el8_2 | RHSA-2021:1295 |
| RHEL 8.2 EUS | kpatch-patch-4_18_0-193_1_2 | 1-11.el8_2 | RHSA-2021:1295 |
| RHEL 8.2 EUS | kpatch-patch-4_18_0-193_28_1 +4 | 1-6.el8_2 | RHSA-2021:1295 |
| RHEL 8.2 EUS | kpatch-patch-4_18_0-193_46_1 +1 | 1-3.el8_2 | RHSA-2021:1295 |
| RHEL 8.2 EUS | kpatch-patch-4_18_0-193_6_3 | 1-10.el8_2 | RHSA-2021:1295 |
| RHEL 8.2 EUS | perf +26 | 4.18.0-193.51.1.el8_2 | RHSA-2021:1272 |
| RHEL 8.1 EUS | kpatch-patch-4_18_0-147_20_1 | 1-11.el8_1 | RHSA-2021:2099 |
| RHEL 8.1 EUS | kpatch-patch-4_18_0-147_24_2 +1 | 1-9.el8_1 | RHSA-2021:2099 |
| RHEL 8.1 EUS | kpatch-patch-4_18_0-147_32_1 +1 | 1-7.el8_1 | RHSA-2021:2099 |
| RHEL 8.1 EUS | kpatch-patch-4_18_0-147_38_1 | 1-6.el8_1 | RHSA-2021:2099 |
| RHEL 8.1 EUS | kpatch-patch-4_18_0-147_43_1 | 1-4.el8_1 | RHSA-2021:2099 |
| RHEL 8.1 EUS | kpatch-patch-4_18_0-147_44_1 | 1-3.el8_1 | RHSA-2021:2099 |
| RHEL 8.1 EUS | perf +26 | 4.18.0-147.48.1.el8_1 | RHSA-2021:2106 |
| RHEL 7.7 TUS | perf +12 | 3.10.0-1062.56.1.el7 | RHSA-2021:3522 |
| RHEL 7.7 E4S | kpatch-patch-3_10_0-1062_36_1 +4 | 1-5.el7 | RHSA-2021:3523 |
| RHEL 7.7 E4S | kpatch-patch-3_10_0-1062_46_1 | 1-4.el7 | RHSA-2021:3523 |
| RHEL 7.7 E4S | kpatch-patch-3_10_0-1062_49_1 +1 | 1-2.el7 | RHSA-2021:3523 |
| RHEL 7.7 E4S | kpatch-patch-3_10_0-1062_52_2 | 1-1.el7 | RHSA-2021:3523 |
| RHEL 7.7 E4S | perf +14 | 3.10.0-1062.56.1.el7 | RHSA-2021:3522 |
| RHEL 7.7 AUS | perf +12 | 3.10.0-1062.56.1.el7 | RHSA-2021:3522 |
| RHEL 7.6 TUS | perf +12 | 3.10.0-957.78.2.el7 | RHSA-2021:2730 |
| RHEL 7.6 E4S | kpatch-patch-3_10_0-957_58_2 +5 | 1-4.el7 | RHSA-2021:2731 |
| RHEL 7.6 E4S | kpatch-patch-3_10_0-957_70_1 | 1-3.el7 | RHSA-2021:2731 |
| RHEL 7.6 E4S | kpatch-patch-3_10_0-957_72_1 +1 | 1-1.el7 | RHSA-2021:2731 |
| RHEL 7.6 E4S | perf +13 | 3.10.0-957.78.2.el7 | RHSA-2021:2730 |
| RHEL 7.6 AUS | perf +12 | 3.10.0-957.78.2.el7 | RHSA-2021:2730 |
| RHEL 7.4 TUS | perf +11 | 3.10.0-693.90.2.el7 | RHSA-2021:2732 |
| RHEL 7.4 E4S | perf +13 | 3.10.0-693.90.2.el7 | RHSA-2021:2732 |
| RHEL 7.4 AUS | perf +11 | 3.10.0-693.90.2.el7 | RHSA-2021:2732 |
| RHEL 7.3 AUS | perf +11 | 3.10.0-514.90.2.el7 | RHSA-2021:2733 |
| RHEL 7.2 AUS | perf +11 | 3.10.0-327.100.1.el7 | RHSA-2021:3399 |
| RHEL 6 ELS | perf +13 | 2.6.32-754.41.2.el6 | RHSA-2021:2735 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | kernel-abi-whitelists +1 | 4.18.0-240.22.1.el8_3 | ALSA-2021:1093 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | kernel-azure +2 | 5.3.18-18.35.2 | SUSE-SU-2021:0347-1 |
| SLES 15 SP2 | kernel-default-base | 5.3.18-24.49.2.9.21.2 | SUSE-SU-2021:0354-1 |
| SLES 15 SP2 | kernel-docs | 5.3.18-24.49.3 | SUSE-SU-2021:0354-1 |
| SLES 15 SP2 | kernel-syms +4 | 5.3.18-24.49.2 | SUSE-SU-2021:0354-1 |
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-197.83.1 | SUSE-SU-2021:0532-1 |
| SLES 15 | kernel-docs +6 | 4.12.14-150.66.1 | SUSE-SU-2021:0438-1 |
| SLES 12 SP5 | kernel-azure +2 | 4.12.14-16.44.1 | SUSE-SU-2021:0348-1 |
| SLES 12 SP5 | kernel-docs | 4.12.14-122.60.2 | SUSE-SU-2021:0353-1 |
| SLES 12 SP5 | kernel-syms +3 | 4.12.14-122.60.1 | SUSE-SU-2021:0353-1 |
| SLES 12 SP4 | kernel-syms +2 | 4.12.14-95.68.1 | SUSE-SU-2021:0434-1 |
Show 29 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | kernel-syms +2 | 4.4.180-94.138.1 | SUSE-SU-2021:0452-1 |
| SLES 12 SP3 | kgraft-patch-SLE12-SP3_Update_31 | 8-2.2 | SUSE-SU-2021:0870-1 |
| SLES 12 SP3 | kgraft-patch-SLE12-SP3_Update_32 +2 | 7-2.2 | SUSE-SU-2021:0870-1 |
| SLES 12 SP3 | kgraft-patch-SLE12-SP3_Update_35 | 6-2.2 | SUSE-SU-2021:0870-1 |
| SLES 12 SP3 | kgraft-patch-SLE12-SP3_Update_36 | 4-2.2 | SUSE-SU-2021:0870-1 |
| SLES 12 SP3 | kgraft-patch-SLE12-SP3_Update_37 | 1-4.3.1 | SUSE-SU-2021:0452-1 |
| SLES 12 SP2 | kernel-syms +2 | 4.4.121-92.149.1 | SUSE-SU-2021:0437-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_34 | 9-2.2 | SUSE-SU-2021:0870-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_35 +1 | 7-2.2 | SUSE-SU-2021:0870-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_37 | 6-2.2 | SUSE-SU-2021:0870-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_38 | 4-2.2 | SUSE-SU-2021:0870-1 |
| SLES 12 SP2 | kgraft-patch-SLE12-SP2_Update_39 | 1-3.3.1 | SUSE-SU-2021:0437-1 |
| SLES 11 SP4 | kernel-ec2 +8 | 3.0.101-108.120.1 | SUSE-SU-2021:14630-1 |
| SLES for SAP 15 SP1 | kernel-docs +4 | 4.12.14-197.83.1 | SUSE-SU-2021:0532-1 |
| SLES for SAP 15 | kernel-docs +5 | 4.12.14-150.66.1 | SUSE-SU-2021:0438-1 |
| SLES for SAP 12 SP5 | kernel-azure +2 | 4.12.14-16.44.1 | SUSE-SU-2021:0348-1 |
| SLES for SAP 12 SP5 | kernel-syms +2 | 4.12.14-122.60.1 | SUSE-SU-2021:0353-1 |
| SLES for SAP 12 SP4 | kernel-syms +2 | 4.12.14-95.68.1 | SUSE-SU-2021:0434-1 |
| SLES for SAP 12 SP3 | kernel-syms +2 | 4.4.180-94.138.1 | SUSE-SU-2021:0452-1 |
| SLES for SAP 12 SP3 | kgraft-patch-SLE12-SP3_Update_31 | 8-2.2 | SUSE-SU-2021:0870-1 |
| SLES for SAP 12 SP3 | kgraft-patch-SLE12-SP3_Update_32 +2 | 7-2.2 | SUSE-SU-2021:0870-1 |
| SLES for SAP 12 SP3 | kgraft-patch-SLE12-SP3_Update_35 | 6-2.2 | SUSE-SU-2021:0870-1 |
| SLES for SAP 12 SP3 | kgraft-patch-SLE12-SP3_Update_36 | 4-2.2 | SUSE-SU-2021:0870-1 |
| SLES for SAP 12 SP3 | kgraft-patch-SLE12-SP3_Update_37 | 1-4.3.1 | SUSE-SU-2021:0452-1 |
| SLES for SAP 12 SP2 | kernel-syms +2 | 4.4.121-92.149.1 | SUSE-SU-2021:0437-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_34 | 9-2.2 | SUSE-SU-2021:0870-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_35 +1 | 7-2.2 | SUSE-SU-2021:0870-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_37 | 6-2.2 | SUSE-SU-2021:0870-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_38 | 4-2.2 | SUSE-SU-2021:0870-1 |
| SLES for SAP 12 SP2 | kgraft-patch-SLE12-SP2_Update_39 | 1-3.3.1 | SUSE-SU-2021:0437-1 |
| SLE Real Time 12 SP5 | kernel-rt +3 | 4.12.14-10.31.1 | SUSE-SU-2021:0433-1 |
| SLE Live Patching 15 SP2 | kernel-default | 5.3.18-24.49.2 | SUSE-SU-2021:0354-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_0 | 8-5.2 | SUSE-SU-2021:0849-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_1 | 7-2.2 | SUSE-SU-2021:0842-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_10 | 1-5.3.2 | SUSE-SU-2021:0354-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_2 +2 | 6-2.2 | SUSE-SU-2021:0842-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_5 +2 | 4-2.2 | SUSE-SU-2021:0842-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_8 +1 | 3-2.2 | SUSE-SU-2021:0841-1, SUSE-SU-2021:0840-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-197.83.1 | SUSE-SU-2021:0532-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_11 | 9-2.2 | SUSE-SU-2021:0853-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_12 +2 | 7-2.2 | SUSE-SU-2021:0859-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_15 | 6-2.2 | SUSE-SU-2021:0859-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_16 | 5-2.2 | SUSE-SU-2021:0859-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_17 +1 | 4-2.2 | SUSE-SU-2021:0853-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_19 +2 | 3-2.2 | SUSE-SU-2021:0853-1, SUSE-SU-2021:0818-1, SUSE-SU-2021:0809-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_22 | 1-3.5.1 | SUSE-SU-2021:0532-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_9 +1 | 10-2.2 | SUSE-SU-2021:0853-1 |
| SLE Live Patching 15 | kernel-default | 4.12.14-150.66.1 | SUSE-SU-2021:0438-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_18 +1 | 7-2.2 | SUSE-SU-2021:0868-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_20 | 6-2.2 | SUSE-SU-2021:0868-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_21 | 4-2.2 | SUSE-SU-2021:0868-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_22 | 1-1.3.1 | SUSE-SU-2021:0438-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.60.1 | SUSE-SU-2021:0353-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_10 | 7-2.2 | SUSE-SU-2021:0818-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_11 +1 | 5-2.2 | SUSE-SU-2021:0818-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_13 +1 | 3-2.2 | SUSE-SU-2021:0818-1, SUSE-SU-2021:0809-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_15 | 1-8.3.1 | SUSE-SU-2021:0353-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_3 | 11-2.2 | SUSE-SU-2021:0818-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_4 | 10-2.2 | SUSE-SU-2021:0818-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_5 +3 | 9-2.2 | SUSE-SU-2021:0818-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_9 | 8-2.2 | SUSE-SU-2021:0818-1 |
| SLE Live Patching 12 SP4 | kernel-default | 4.12.14-95.68.1 | SUSE-SU-2021:0434-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_12 | 10-2.2 | SUSE-SU-2021:0826-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_13 | 9-2.2 | SUSE-SU-2021:0826-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_14 +1 | 7-2.2 | SUSE-SU-2021:0823-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_16 | 6-2.2 | SUSE-SU-2021:0823-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_17 | 3-2.2 | SUSE-SU-2021:0868-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_18 | 1-6.3.1 | SUSE-SU-2021:0434-1 |
| SLE HPC 15 SP1 | kernel-docs +4 | 4.12.14-197.83.1 | SUSE-SU-2021:0532-1 |
| SLE HPC 15 | kernel-docs +5 | 4.12.14-150.66.1 | SUSE-SU-2021:0438-1 |
| SUSE Real Time Module 15 SP2 | kernel-rt +3 | 5.3.18-25.1 | SUSE-SU-2021:0427-1 |
| SUSE OpenStack Cloud Crowbar 9 | kernel-syms +2 | 4.12.14-95.68.1 | SUSE-SU-2021:0434-1 |
| SUSE OpenStack Cloud Crowbar 8 | kernel-syms +2 | 4.4.180-94.138.1 | SUSE-SU-2021:0452-1 |
| SUSE OpenStack Cloud Crowbar 8 | kgraft-patch-SLE12-SP3_Update_37 | 1-4.3.1 | SUSE-SU-2021:0452-1 |
| SUSE OpenStack Cloud 9 | kernel-syms +2 | 4.12.14-95.68.1 | SUSE-SU-2021:0434-1 |
| SUSE OpenStack Cloud 8 | kernel-syms +2 | 4.4.180-94.138.1 | SUSE-SU-2021:0452-1 |
| SUSE OpenStack Cloud 8 | kgraft-patch-SLE12-SP3_Update_37 | 1-4.3.1 | SUSE-SU-2021:0452-1 |
| SUSE OpenStack Cloud 7 | kernel-syms +2 | 4.4.121-92.149.1 | SUSE-SU-2021:0437-1 |
| SUSE OpenStack Cloud 7 | kgraft-patch-SLE12-SP2_Update_36 | 7-2.2 | SUSE-SU-2021:0870-1 |
| SUSE OpenStack Cloud 7 | kgraft-patch-SLE12-SP2_Update_39 | 1-3.3.1 | SUSE-SU-2021:0437-1 |
| SUSE Manager Server 4.0 | kernel-docs +5 | 4.12.14-197.83.1 | SUSE-SU-2021:0532-1 |
| SUSE Manager Retail Branch Server 4.0 | kernel-docs +4 | 4.12.14-197.83.1 | SUSE-SU-2021:0532-1 |
| SUSE Manager Proxy 4.0 | kernel-docs +4 | 4.12.14-197.83.1 | SUSE-SU-2021:0532-1 |
| SUSE HPE Helion OpenStack 8 | kernel-syms +2 | 4.4.180-94.138.1 | SUSE-SU-2021:0452-1 |
| SUSE HPE Helion OpenStack 8 | kgraft-patch-SLE12-SP3_Update_37 | 1-4.3.1 | SUSE-SU-2021:0452-1 |
| SUSE Enterprise Storage 6 | kernel-docs +4 | 4.12.14-197.83.1 | SUSE-SU-2021:0532-1 |
| SUSE Enterprise Storage 5 | kernel-syms +2 | 4.4.180-94.138.1 | SUSE-SU-2021:0452-1 |
| SUSE Enterprise Storage 5 | kgraft-patch-SLE12-SP3_Update_37 | 1-4.3.1 | SUSE-SU-2021:0452-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.2 | kernel-default-base | 5.3.18-lp152.63.1.lp152.8.21.1 | openSUSE-SU-2021:0241-1 |
| openSUSE Leap 15.2 | kernel-docs +8 | 5.3.18-lp152.63.1 | openSUSE-SU-2021:0241-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | kernel-livepatch-4.14.219-161.340 | 1.0-0.amzn2 | ALAS2-2021-1600 |
| Amazon Linux 2 | perf +8 | 4.14.219-161.340.amzn2 | ALAS2-2021-1600 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | perf +19 | 4.18.0-240.22.1.el8_3 | ELSA-2021-1093 |
| Oracle Linux 7 | kernel-uek +8 | 4.14.35-2047.501.1.el7uek | ELSA-2021-9085, ELSA-2021-9084 |
| Oracle Linux 7 | kernel-uek-container | 4.14.35-2047.501.0.el7 | ELSA-2021-9087, ELSA-2021-9086 |
| Oracle Linux 7 | kernel-uek-container-debug | 5.4.17-2036.104.4.el8 | ELSA-2021-9086 |
| Oracle Linux 7 | perf +12 | 3.10.0-1160.31.1.el7 | ELSA-2021-9085, ELSA-2021-9084, ELSA-2021-2314 |
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 1 repository
-
nanopathi/linux-4.19.72_CVE-2021-3347 ★ 0 · Apr 26, 2022
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 50
- ALSA-2021:1093 Important: kernel security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2021:2316 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Oct 9, 2026
- RHSA-2021:2314 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Oct 9, 2026
- RHSA-2021:3522 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2021:3523 Red Hat Security Advisory: kpatch-patch security update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2021:3399 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2021:2733 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2021:2735 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2021:2732 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2021:2731 Red Hat Security Advisory: kpatch-patch security update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2021:2730 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2021:2285 Red Hat Security Advisory: kpatch-patch security update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2021:2106 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2021:2099 Red Hat Security Advisory: kpatch-patch security update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2021:1379 Red Hat Security Advisory: kernel-alt security and bug fix update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2021:1279 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2021:1295 Red Hat Security Advisory: kpatch-patch security update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2021:1272 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2021:1093 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- RHSA-2021:1081 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Aug 26, 2026
- WID-SEC-2025-0227 IBM QRadar SIEM: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 11, 2026
- USN-4910-1 linux, linux-aws, linux-azure, linux-gcp, linux-hwe-5.8, linux-kvm, linux-oracle, linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4907-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-dell300x, linux-gcp, linux-gcp-4.15, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4878-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gke-5.4, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4884-1 linux-oem-5.10 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- DSA-4843-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2557-1 linux-4.19 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2586-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2021:0840-1 Security update for the Linux Kernel (Live Patch 9 for SLE 15 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0354-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0532-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0434-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0348-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0427-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0809-1 Security update for the Linux Kernel (Live Patch 21 for SLE 15 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0868-1 Security update for the Linux Kernel (Live Patch 18 for SLE 15) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0826-1 Security update for the Linux Kernel (Live Patch 12 for SLE 12 SP4) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0347-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0870-1 Security update for the Linux Kernel (Live Patch 31 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0853-1 Security update for the Linux Kernel (Live Patch 9 for SLE 15 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0437-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0818-1 Security update for the Linux Kernel (Live Patch 20 for SLE 15 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:14630-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0859-1 Security update for the Linux Kernel (Live Patch 12 for SLE 15 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0842-1 Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0241-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0823-1 Security update for the Linux Kernel (Live Patch 14 for SLE 12 SP4) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0849-1 Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0438-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0841-1 Security update for the Linux Kernel (Live Patch 8 for SLE 15 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c64396cc36c6e60704ab06c1fb1c4a46179c9120
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=34b1a1ce1458f50ef27c54e28eb9b1947012907a
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f2dac39d93987f7de1e20b3988c8685523247ae2
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6ccc84f917d33312eb2846bd7b567639f585ad6d
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2156ac1934166d6deb6cd0f6ffc4c1076ec63697
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c5cade200ab9a2a3be9e7f32a752c8d86b502ec7
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04b79c55201f02ffd675e1231d731365e335c307
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=12bb3f7f1b03d5913b3f9d4236a488aa7774dfe9
- https://www.openwall.com/lists/oss-security/2021/01/29/3
- https://www.openwall.com/lists/oss-security/2021/01/29/1
- [oss-security] 20210129 Re: Linux Kernel: local priv escalation via futexes mailing-list
- [oss-security] 20210129 Re: Linux Kernel: local priv escalation via futexes mailing-list
- [oss-security] 20210201 Re: Linux Kernel: local priv escalation via futexes mailing-list
- DSA-4843 vendor-advisory
- FEDORA-2021-6e805a5051 vendor-advisory
- FEDORA-2021-879c756377 vendor-advisory
- [debian-lts-announce] 20210212 [SECURITY] [DLA 2557-1] linux-4.19 security update mailing-list
- https://security.netapp.com/advisory/ntap-20210304-0005/
- [debian-lts-announce] 20210309 [SECURITY] [DLA 2586-1] linux security update mailing-list