Skip to content
OpenAdvisories
High · 8.2 Public exploit CVE-2024-58239 EUVD-2024-55006GHSA-255m-8v4r-mcgr

tls: stop recv() if initial process_rx_list gave us non-DATA

Published Aug 22, 2025 · Updated Oct 15, 2026 · Assigned by Linux

Vendor: Linux Product: Linux 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-6.2 Package: linux-aws-6.5 Package: linux-aws-fips Package: linux-azure 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-6.2 Package: linux-azure-6.5 Package: linux-azure-edge Package: linux-azure-fde Package: linux-azure-fde-5.19 Package: linux-azure-fde-6.2 Package: linux-azure-fips Package: linux-bluefield Package: linux-fips Package: linux-gcp 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-6.2 Package: linux-gcp-6.5 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-6.2 Package: linux-hwe-6.5 Package: linux-hwe-edge Package: linux-ibm Package: linux-ibm-5.15 Package: linux-ibm-5.4 Package: linux-intel 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-nvidia Package: linux-nvidia-6.2 Package: linux-nvidia-6.5 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-6.5 Package: linux-oem-6.8 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-6.5 Package: linux-raspi Package: linux-raspi-5.4 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime 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-6.5 Package: linux-starfive-5.19 Package: linux-starfive-6.2 Package: linux-starfive-6.5 Package: linux-vmware Package: linux-xilinx-zynqmp Platform: Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

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

tls: stop recv() if initial process_rx_list gave us non-DATA

If we have a non-DATA record on the rx_list and another record of the
same type still on the queue, we will end up merging them:
- process_rx_list copies the non-DATA record
- we start the loop and process the first available record since it's
of the same type
- we break out of the loop since the record was not DATA

Just check the record type and jump to the end in case process_rx_list
did some work.

Affected products

VendorProductAffectedFixed
Linux Linux 5.1 5.4.270

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 6.7.7-1 —
Debian 13 linux 6.7.7-1 —
Debian 12 linux 6.1.82-1 —
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1044.46 —
Ubuntu 24.04 LTS linux-intel +8 No fix yet —
Ubuntu 22.04 LTS linux 5.15.0-112.122 —
Ubuntu 22.04 LTS linux-aws 5.15.0-1063.69 —
Ubuntu 22.04 LTS linux-azure 5.15.0-1066.75 —
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1067.76.1 —
Ubuntu 22.04 LTS linux-gcp 5.15.0-1062.70 —
Ubuntu 22.04 LTS linux-gke 5.15.0-1060.66 —
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1046.53 —
Ubuntu 22.04 LTS linux-ibm 5.15.0-1056.59 —
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1058.64 —
Ubuntu 22.04 LTS linux-kvm 5.15.0-1060.65 —
Ubuntu 22.04 LTS linux-lowlatency 5.15.0-110.120 —
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1058.59 —
Ubuntu 22.04 LTS linux-nvidia-tegra 5.15.0-1026.26 —
Ubuntu 22.04 LTS linux-nvidia-tegra-igx 5.15.0-1015.15 —
Ubuntu 22.04 LTS linux-oracle 5.15.0-1061.67 —
Ubuntu 22.04 LTS linux-raspi 5.15.0-1058.61 —
Ubuntu 22.04 LTS linux-riscv +32 No fix yet —
Ubuntu 22.04 LTS linux-xilinx-zynqmp 5.15.0-1030.34 —
Ubuntu 20.04 LTS linux 5.4.0-186.206 —
Ubuntu 20.04 LTS linux-aws 5.4.0-1126.136 —
Ubuntu 20.04 LTS linux-aws-5.15 5.15.0-1063.69~20.04.1 —
Ubuntu 20.04 LTS linux-azure 5.4.0-1131.138 —
Ubuntu 20.04 LTS linux-azure-5.15 5.15.0-1065.74~20.04.1 —
Ubuntu 20.04 LTS linux-bluefield 5.4.0-1086.93 —
Ubuntu 20.04 LTS linux-gcp 5.4.0-1130.139 —
Ubuntu 20.04 LTS linux-gcp-5.15 5.15.0-1062.70~20.04.1 —
Ubuntu 20.04 LTS linux-gke +28 No fix yet —
Ubuntu 20.04 LTS linux-hwe-5.15 5.15.0-113.123~20.04.1 —
Ubuntu 20.04 LTS linux-ibm 5.4.0-1073.78 —
Ubuntu 20.04 LTS linux-ibm-5.15 5.15.0-1057.60~20.04.1 —
Ubuntu 20.04 LTS linux-intel-iotg-5.15 5.15.0-1058.64~20.04.1 —
Ubuntu 20.04 LTS linux-iot 5.4.0-1038.39 —
Ubuntu 20.04 LTS linux-kvm 5.4.0-1114.121 —
Ubuntu 20.04 LTS linux-lowlatency-hwe-5.15 5.15.0-110.120~20.04.1 —
Ubuntu 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1027.27~20.04.1 —
Ubuntu 20.04 LTS linux-oracle 5.4.0-1125.134 —
Ubuntu 20.04 LTS linux-oracle-5.15 5.15.0-1061.67~20.04.1 —
Ubuntu 20.04 LTS linux-raspi 5.4.0-1110.122 —
Ubuntu 20.04 LTS linux-riscv-5.15 5.15.0-1059.63~20.04.1 —
Ubuntu 20.04 LTS linux-xilinx-zynqmp 5.4.0-1045.49 —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Show 8 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Ubuntu Pro Realtime 24.04 LTS linux-raspi-realtime 6.8.0-2002.2 —
Ubuntu Pro Realtime 22.04 LTS linux-intel-iot-realtime 5.15.0-1056.58 —
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1064.72 —
Ubuntu Pro FIPS 20.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS-updates 22.04 LTS linux-aws-fips 5.15.0-1063.69+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-azure-fips 5.15.0-1065.74+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-fips 5.15.0-111.121+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-gcp-fips 5.15.0-1062.70+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-aws-fips 5.4.0-1126.136+fips2 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1131.138+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips 5.4.0-1100.110 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-gcp-fips 5.4.0-1130.139+fips1 —
Ubuntu Pro FIPS-preview 22.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro 18.04 LTS linux-aws-5.4 5.4.0-1126.136~18.04.1 —
Ubuntu Pro 18.04 LTS linux-azure-5.4 5.4.0-1131.138~18.04.1 —
Ubuntu Pro 18.04 LTS linux-gcp-5.4 5.4.0-1130.139~18.04.1 —
Ubuntu Pro 18.04 LTS linux-hwe-5.4 5.4.0-186.206~18.04.1 —
Ubuntu Pro 18.04 LTS linux-ibm-5.4 5.4.0-1073.78~18.04.1 —
Ubuntu Pro 18.04 LTS linux-oracle-5.4 5.4.0-1125.134~18.04.1 —
Ubuntu Pro 18.04 LTS linux-raspi-5.4 5.4.0-1110.122~18.04.1 —
ReleasePackageFixed inAdvisory
RHEL 9 bpftool 7.4.0-503.11.1.el9_5 RHSA-2024:9315
RHEL 9 rv +67 5.14.0-503.11.1.el9_5 RHSA-2024:9315
ReleasePackageFixed inAdvisory
SLES 15 SP7 kernel-64kb +6 6.4.0-150700.53.16.1 SUSE-SU-2025:03290-1
SLES 15 SP7 kernel-azure +1 6.4.0-150700.20.15.2 SUSE-SU-2025:03633-1
SLES 15 SP7 kernel-default-base 6.4.0-150700.53.16.1.150700.17.11.2 SUSE-SU-2025:03290-1
SLES 15 SP7 kernel-syms-azure 6.4.0-150700.20.15.1 SUSE-SU-2025:03633-1
SLES 15 SP6 kernel-64kb +6 6.4.0-150600.23.70.1 SUSE-SU-2025:03301-1
SLES 15 SP6 kernel-azure +2 6.4.0-150600.8.52.1 SUSE-SU-2025:03634-1
SLES 15 SP6 kernel-coco +3 6.4.0-15061.32.coco15sp6.1 SUSE-SU-2025:03602-1
SLES 15 SP6 kernel-default-base 6.4.0-150600.23.70.1.150600.12.30.2 SUSE-SU-2025:03301-1
SLES 15 SP5 kernel-64kb +3 5.14.21-150500.55.121.2 SUSE-SU-2025:03344-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.121.2.150500.6.57.2 SUSE-SU-2025:03344-1
SLES 15 SP5 kernel-docs +2 5.14.21-150500.55.121.1 SUSE-SU-2025:03344-1
SLES 15 SP4 kernel-64kb +6 5.14.21-150400.24.176.1 SUSE-SU-2025:03314-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.176.1.150400.24.90.1 SUSE-SU-2025:03314-1
SLES 15 SP3 kernel-64kb +7 5.3.18-150300.59.218.1 SUSE-SU-2025:03310-1
SLES 15 SP3 kernel-default-base 5.3.18-150300.59.218.1.150300.18.130.1 SUSE-SU-2025:03310-1
Show 23 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP5 kernel-default-base 5.14.21-150500.55.121.2.150500.6.57.2 SUSE-SU-2025:03344-1
SLES for SAP 15 SP5 kernel-docs +2 5.14.21-150500.55.121.1 SUSE-SU-2025:03344-1
SLES for SAP 15 SP5 kernel-source +1 5.14.21-150500.55.121.2 SUSE-SU-2025:03344-1
SLES for SAP 15 SP4 kernel-default-base 5.14.21-150400.24.176.1.150400.24.90.1 SUSE-SU-2025:03314-1
SLES for SAP 15 SP4 kernel-docs +4 5.14.21-150400.24.176.1 SUSE-SU-2025:03314-1
SLES for SAP 15 SP3 kernel-default-base 5.3.18-150300.59.218.1.150300.18.130.1 SUSE-SU-2025:03310-1
SLES for SAP 15 SP3 kernel-docs +5 5.3.18-150300.59.218.1 SUSE-SU-2025:03310-1
SLE Micro 6.1 kernel-default-base 6.4.0-34.1.21.11 SUSE-SU-2025:20669-1
SLE Micro 6.1 kernel-rt +1 6.4.0-36.1 SUSE-SU-2025:20756-1
SLE Micro 6.1 kernel-source +2 6.4.0-34.1 SUSE-SU-2025:20669-1
SLE Micro 6.0 kernel-default-base 6.4.0-34.1.21.11 SUSE-SU-2025:20653-1
SLE Micro 6.0 kernel-rt +1 6.4.0-36.1 SUSE-SU-2025:20739-1
SLE Micro 6.0 kernel-source +2 6.4.0-34.1 SUSE-SU-2025:20653-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.121.2.150500.6.57.2 SUSE-SU-2025:03344-1
SLE Micro 5.5 kernel-rt +1 5.14.21-150500.13.106.1 SUSE-SU-2025:03283-1
SLE Micro 5.5 kernel-source +1 5.14.21-150500.55.121.2 SUSE-SU-2025:03344-1
SLE Micro 5.4 kernel-default 5.14.21-150400.24.176.1 SUSE-SU-2025:03314-1
SLE Micro 5.4 kernel-default-base 5.14.21-150400.24.176.1.150400.24.90.1 SUSE-SU-2025:03314-1
SLE Micro 5.4 kernel-rt +1 5.14.21-150400.15.130.1 SUSE-SU-2025:03383-1
SLE Micro 5.3 kernel-default 5.14.21-150400.24.176.1 SUSE-SU-2025:03314-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.176.1.150400.24.90.1 SUSE-SU-2025:03314-1
SLE Micro 5.3 kernel-rt +1 5.14.21-150400.15.130.1 SUSE-SU-2025:03383-1
SLE Micro 5.2 kernel-default 5.3.18-150300.59.218.1 SUSE-SU-2025:03310-1
SLE Micro 5.2 kernel-default-base 5.3.18-150300.59.218.1.150300.18.130.1 SUSE-SU-2025:03310-1
SLE Micro 5.2 kernel-rt +1 5.3.18-150300.220.1 SUSE-SU-2025:03384-1
SLE Micro 5.1 kernel-default 5.3.18-150300.59.218.1 SUSE-SU-2025:03310-1
SLE Micro 5.1 kernel-default-base 5.3.18-150300.59.218.1.150300.18.130.1 SUSE-SU-2025:03310-1
SLE Micro 5.1 kernel-rt +1 5.3.18-150300.220.1 SUSE-SU-2025:03384-1
SLE Live Patching 15 SP7 kernel-default 6.4.0-150700.53.16.1 SUSE-SU-2025:03290-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7-RT_Update_4 1-150700.1.3.2 SUSE-SU-2025:03382-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7_Update_4 1-150700.15.3.2 SUSE-SU-2025:03290-1
SLE Live Patching 15 SP6 kernel-default 6.4.0-150600.23.70.1 SUSE-SU-2025:03301-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6-RT_Update_15 1-150600.1.3.1 SUSE-SU-2025:03272-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6_Update_15 1-150600.13.3.2 SUSE-SU-2025:03301-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.121.2 SUSE-SU-2025:03344-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_21 +1 17-150500.2.1 SUSE-SU-2026:0246-1, SUSE-SU-2026:0173-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_23 +1 13-150500.2.1 SUSE-SU-2026:0206-1, SUSE-SU-2026:0180-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_27 11-150500.2.1 SUSE-SU-2026:0184-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_29 8-150500.2.1 SUSE-SU-2026:0186-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_30 1-150500.11.5.1 SUSE-SU-2025:03344-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_34 19-150400.2.1 SUSE-SU-2026:0174-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_35 18-150400.2.1 SUSE-SU-2026:0166-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_36 13-150400.2.1 SUSE-SU-2026:0163-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_40 12-150400.2.1 SUSE-SU-2026:0168-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_43 7-150400.2.1 SUSE-SU-2026:0191-1
SLE Live Patching 15 SP3 kernel-default 5.3.18-150300.59.218.1 SUSE-SU-2025:03310-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_61 1-150300.7.3.1 SUSE-SU-2025:03310-1
SLE HPC 15 SP5 kernel-64kb +2 5.14.21-150500.55.121.2 SUSE-SU-2025:03344-1
SLE HPC 15 SP5 kernel-default-base 5.14.21-150500.55.121.2.150500.6.57.2 SUSE-SU-2025:03344-1
SLE HPC 15 SP5 kernel-docs +2 5.14.21-150500.55.121.1 SUSE-SU-2025:03344-1
SLE HPC 15 SP4 kernel-64kb +5 5.14.21-150400.24.176.1 SUSE-SU-2025:03314-1
SLE HPC 15 SP4 kernel-default-base 5.14.21-150400.24.176.1.150400.24.90.1 SUSE-SU-2025:03314-1
SLE HPC 15 SP3 kernel-64kb +6 5.3.18-150300.59.218.1 SUSE-SU-2025:03310-1
SLE HPC 15 SP3 kernel-default-base 5.3.18-150300.59.218.1.150300.18.130.1 SUSE-SU-2025:03310-1
SUSE Real Time Module 15 SP7 kernel-rt +2 6.4.0-150700.7.16.1 SUSE-SU-2025:03382-1
SUSE Real Time Module 15 SP6 kernel-rt +3 6.4.0-150600.10.52.1 SUSE-SU-2025:03272-1
SUSE Manager Server LTS 4.3 kernel-default-base 5.14.21-150400.24.176.1.150400.24.90.1 SUSE-SU-2025:03314-1
SUSE Manager Server LTS 4.3 kernel-syms +3 5.14.21-150400.24.176.1 SUSE-SU-2025:03314-1
SUSE Manager Proxy LTS 4.3 kernel-default-base 5.14.21-150400.24.176.1.150400.24.90.1 SUSE-SU-2025:03314-1
SUSE Manager Proxy LTS 4.3 kernel-syms +2 5.14.21-150400.24.176.1 SUSE-SU-2025:03314-1
SUSE Enterprise Storage 7.1 kernel-64kb +6 5.3.18-150300.59.218.1 SUSE-SU-2025:03310-1
SUSE Enterprise Storage 7.1 kernel-default-base 5.3.18-150300.59.218.1.150300.18.130.1 SUSE-SU-2025:03310-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.6 dtb-aarch64 +10 6.4.0-150600.23.70.1 SUSE-SU-2025:03301-1
openSUSE Leap 15.6 kernel-azure +2 6.4.0-150600.8.52.1 SUSE-SU-2025:03634-1
openSUSE Leap 15.6 kernel-default-base 6.4.0-150600.23.70.1.150600.12.30.2 SUSE-SU-2025:03301-1
openSUSE Leap 15.6 kernel-rt +3 6.4.0-150600.10.52.1 SUSE-SU-2025:03272-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 kernel-livepatch-6.1.82-99.168 1.0-0.amzn2023 ALAS2023-2024-784
Amazon Linux 2023 perf +14 6.1.82-99.168.amzn2023 ALAS2023-2024-784

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 2 repositories

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

Advisories 31

References