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OpenAdvisories
Unscored CVE-2023-52464 EUVD-2023-57089GHSA-qjx2-j5wq-qc39

EDAC/thunderx: Fix possible out-of-bounds string access

Published Feb 23, 2024 · 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-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-6.2 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-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-6.2 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-6.2 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-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-6.2 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-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:

EDAC/thunderx: Fix possible out-of-bounds string access

Enabling -Wstringop-overflow globally exposes a warning for a common bug
in the usage of strncat():

drivers/edac/thunderx_edac.c: In function 'thunderx_ocx_com_threaded_isr':
drivers/edac/thunderx_edac.c:1136:17: error: 'strncat' specified bound 1024 equals destination size [-Werror=stringop-overflow=]
1136 | strncat(msg, other, OCX_MESSAGE_SIZE);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
...
1145 | strncat(msg, other, OCX_MESSAGE_SIZE);
...
1150 | strncat(msg, other, OCX_MESSAGE_SIZE);

...

Apparently the author of this driver expected strncat() to behave the
way that strlcat() does, which uses the size of the destination buffer
as its third argument rather than the length of the source buffer. The
result is that there is no check on the size of the allocated buffer.

Change it to strlcat().

[ bp: Trim compiler output, fixup commit message. ]

Affected products

VendorProductAffectedFixed
Linux Linux 4.12 4.19.306

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 6.6.15-1 —
Debian 13 linux 6.6.15-1 —
Debian 12 linux 6.1.76-1 —
Debian 10 linux 4.19.316-1 DLA-3840-1
Debian 10 linux-5.10 5.10.209-2~deb10u1 DLA-3841-1
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1040.42 —
Ubuntu 22.04 LTS linux +1 5.15.0-102.112 USN-6725-1
Ubuntu 22.04 LTS linux-aws 5.15.0-1057.63 USN-6725-2
Ubuntu 22.04 LTS linux-azure 5.15.0-1060.69 USN-6725-1
Ubuntu 22.04 LTS linux-azure-6.5 6.5.0-1022.23~22.04.1 USN-6819-1
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1060.69.1 USN-6725-1
Ubuntu 22.04 LTS linux-gcp 5.15.0-1055.63 USN-6725-1
Ubuntu 22.04 LTS linux-gcp-6.5 6.5.0-1022.24~22.04.1 USN-6818-1
Ubuntu 22.04 LTS linux-gke +1 5.15.0-1054.59 USN-6725-1
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1040.46 USN-6725-1
Ubuntu 22.04 LTS linux-hwe-6.5 6.5.0-41.41~22.04.2 USN-6818-4
Ubuntu 22.04 LTS linux-ibm +1 5.15.0-1050.53 USN-6725-1
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1052.58 USN-6725-1
Ubuntu 22.04 LTS linux-lowlatency-hwe-6.5 6.5.0-41.41.1~22.04.1 USN-6818-1
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1048.48 USN-6725-1
Ubuntu 22.04 LTS linux-nvidia-6.5 6.5.0-1021.22 USN-6818-3
Ubuntu 22.04 LTS linux-nvidia-tegra 5.15.0-1025.25 —
Ubuntu 22.04 LTS linux-nvidia-tegra-igx 5.15.0-1012.12 —
Ubuntu 22.04 LTS linux-oem-6.1 6.1.0-1035.35 USN-6688-1
Ubuntu 22.04 LTS linux-oem-6.5 6.5.0-1024.25 USN-6819-3
Ubuntu 22.04 LTS linux-oracle 5.15.0-1055.61 USN-6725-1
Ubuntu 22.04 LTS linux-oracle-6.5 6.5.0-1024.24~22.04.1 USN-6819-4
Ubuntu 22.04 LTS linux-riscv +21 No fix yet —
Ubuntu 22.04 LTS linux-riscv-6.5 6.5.0-40.40.1~22.04.1 —
Ubuntu 22.04 LTS linux-starfive-6.5 6.5.0-1015.16~22.04.1 USN-6819-1
Ubuntu 22.04 LTS linux-xilinx-zynqmp 5.15.0-1030.34 —
Ubuntu 20.04 LTS linux 5.4.0-176.196 USN-6726-1
Ubuntu 20.04 LTS linux-aws 5.4.0-1122.132 USN-6726-1
Ubuntu 20.04 LTS linux-aws-5.15 5.15.0-1057.63~20.04.1 USN-6725-2
Ubuntu 20.04 LTS linux-azure 5.4.0-1127.134 USN-6726-1
Ubuntu 20.04 LTS linux-azure-5.15 5.15.0-1060.69~20.04.1 USN-6725-1
Ubuntu 20.04 LTS linux-azure-fde-5.15 5.15.0-1060.69~20.04.1.1 USN-6725-1
Ubuntu 20.04 LTS linux-bluefield 5.4.0-1082.89 USN-6726-1
Ubuntu 20.04 LTS linux-gcp 5.4.0-1126.135 USN-6726-1
Ubuntu 20.04 LTS linux-gcp-5.15 5.15.0-1055.63~20.04.1 USN-6725-1
Ubuntu 20.04 LTS linux-gke +26 No fix yet —
Ubuntu 20.04 LTS linux-gkeop 5.4.0-1089.93 USN-6726-1
Ubuntu 20.04 LTS linux-gkeop-5.15 5.15.0-1040.46~20.04.1 USN-6725-1
Ubuntu 20.04 LTS linux-hwe-5.15 +1 5.15.0-102.112~20.04.1 USN-6725-1
Ubuntu 20.04 LTS linux-ibm 5.4.0-1069.74 USN-6726-1
Ubuntu 20.04 LTS linux-ibm-5.15 5.15.0-1050.53~20.04.1 USN-6725-1
Ubuntu 20.04 LTS linux-intel-iotg-5.15 5.15.0-1052.58~20.04.1 USN-6725-1
Ubuntu 20.04 LTS linux-iot 5.4.0-1034.35 USN-6726-2
Ubuntu 20.04 LTS linux-kvm 5.4.0-1110.117 USN-6726-1
Ubuntu 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1025.25~20.04.1 —
Ubuntu 20.04 LTS linux-oracle 5.4.0-1121.130 USN-6726-1
Ubuntu 20.04 LTS linux-oracle-5.15 5.15.0-1055.61~20.04.1 USN-6725-1
Ubuntu 20.04 LTS linux-raspi 5.4.0-1106.118 USN-6726-1
Ubuntu 20.04 LTS linux-riscv-5.15 5.15.0-1053.57~20.04.1 —
Ubuntu 20.04 LTS linux-xilinx-zynqmp 5.4.0-1041.45 USN-6726-3
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Show 11 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro Realtime 24.04 LTS linux-raspi-realtime 6.8.0-2001.1 —
Ubuntu Pro Realtime 22.04 LTS linux-intel-iot-realtime 5.15.0-1050.52 —
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1058.66 —
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-updates 22.04 LTS linux-aws-fips 5.15.0-1057.63+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-azure-fips 5.15.0-1060.69+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-fips 5.15.0-102.112+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-gcp-fips 5.15.0-1055.63+fips2 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-aws-fips 5.4.0-1122.132+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1127.134+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips 5.4.0-1096.106 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-gcp-fips 5.4.0-1126.135+fips1 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-aws-fips 4.15.0-2106.112 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-azure-fips 4.15.0-2085.91 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips 4.15.0-1122.133 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-gcp-fips 4.15.0-2069.74 —
Ubuntu Pro FIPS-preview 22.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro 18.04 LTS linux 4.15.0-224.236 USN-6740-1
Ubuntu Pro 18.04 LTS linux-aws 4.15.0-1167.180 USN-6740-1
Ubuntu Pro 18.04 LTS linux-aws-5.4 5.4.0-1122.132~18.04.1 USN-6726-1
Ubuntu Pro 18.04 LTS linux-azure-4.15 4.15.0-1176.191 USN-6740-1
Ubuntu Pro 18.04 LTS linux-azure-5.4 5.4.0-1127.134~18.04.1 USN-6726-1
Ubuntu Pro 18.04 LTS linux-gcp-4.15 4.15.0-1161.178 USN-6740-1
Ubuntu Pro 18.04 LTS linux-gcp-5.4 5.4.0-1126.135~18.04.1 USN-6726-1
Ubuntu Pro 18.04 LTS linux-hwe-5.4 5.4.0-175.195~18.04.1 USN-6726-1
Ubuntu Pro 18.04 LTS linux-ibm-5.4 5.4.0-1069.74~18.04.1 USN-6726-1
Ubuntu Pro 18.04 LTS linux-kvm 4.15.0-1151.156 USN-6740-1
Ubuntu Pro 18.04 LTS linux-oracle 4.15.0-1130.141 USN-6740-1
Ubuntu Pro 18.04 LTS linux-oracle-5.4 5.4.0-1121.130~18.04.1 USN-6726-1
Ubuntu Pro 18.04 LTS linux-raspi-5.4 5.4.0-1106.118~18.04.1 USN-6726-1
Ubuntu Pro 16.04 LTS linux-aws-hwe 4.15.0-1167.180~16.04.1 USN-6740-1
Ubuntu Pro 16.04 LTS linux-azure 4.15.0-1176.191~16.04.1 USN-6740-1
Ubuntu Pro 16.04 LTS linux-gcp 4.15.0-1161.178~16.04.1 USN-6740-1
Ubuntu Pro 16.04 LTS linux-hwe 4.15.0-224.236~16.04.1 USN-6740-1
Ubuntu Pro 16.04 LTS linux-oracle 4.15.0-1130.141~16.04.1 USN-6740-1
Ubuntu Pro 14.04 LTS linux-azure 4.15.0-1176.191~14.04.1 USN-6740-1
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
RHEL 8 kernel-rt +12 4.18.0-553.8.1.rt7.349.el8_10 RHSA-2024:4352
RHEL 8 perf +26 4.18.0-553.8.1.el8_10 RHSA-2024:4211

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 8 kernel-rt +11 4.18.0-553.8.1.rt7.349.el8_10 ALSA-2024:4352
AlmaLinux 8 perf +24 4.18.0-553.8.1.el8_10 ALSA-2024:4211

Rocky Linux

Errata ↗
ReleasePackageFixed inAdvisory
Rocky Linux 8 kernel 4.18.0-553.8.1.el8_10 RLSA-2024:4211
Rocky Linux 8 kernel-rt 4.18.0-553.8.1.rt7.349.el8_10 RLSA-2024:4352
ReleasePackageFixed inAdvisory
SLES 15 SP5 kernel-64kb +6 5.14.21-150500.55.52.1 SUSE-SU-2024:0858-1
SLES 15 SP5 kernel-azure +2 5.14.21-150500.33.37.1 SUSE-SU-2024:0855-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.52.1.150500.6.23.1 SUSE-SU-2024:0858-1
SLES 15 SP4 kernel-64kb +3 5.14.21-150400.24.111.2 SUSE-SU-2024:0900-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.111.2.150400.24.52.1 SUSE-SU-2024:0900-1
SLES 15 SP4 kernel-syms +2 5.14.21-150400.24.111.1 SUSE-SU-2024:0900-1
SLES 12 SP5 kernel-azure +2 4.12.14-16.173.1 SUSE-SU-2024:0975-1
SLES 12 SP5 kernel-docs +3 4.12.14-122.201.1 SUSE-SU-2024:0925-1
SLES 12 SP5 kernel-obs-build 4.12.14-122.201.2 SUSE-SU-2024:0925-1
Show 13 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP4 kernel-default-base 5.14.21-150400.24.111.2.150400.24.52.1 SUSE-SU-2024:0900-1
SLES for SAP 15 SP4 kernel-docs +1 5.14.21-150400.24.111.2 SUSE-SU-2024:0900-1
SLES for SAP 15 SP4 kernel-syms +2 5.14.21-150400.24.111.1 SUSE-SU-2024:0900-1
SLES for SAP 12 SP5 kernel-azure +2 4.12.14-16.173.1 SUSE-SU-2024:0975-1
SLES for SAP 12 SP5 kernel-syms +2 4.12.14-122.201.1 SUSE-SU-2024:0925-1
SLE Real Time 12 SP5 kernel-rt +3 4.12.14-10.171.1 SUSE-SU-2024:0976-1
SLE Micro 5.5 kernel-default 5.14.21-150500.55.52.1 SUSE-SU-2024:0858-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.52.1.150500.6.23.1 SUSE-SU-2024:0858-1
SLE Micro 5.5 kernel-rt +1 5.14.21-150500.13.38.1 SUSE-SU-2024:0910-1
SLE Micro 5.4 kernel-default 5.14.21-150400.24.111.2 SUSE-SU-2024:0900-1
SLE Micro 5.4 kernel-default-base 5.14.21-150400.24.111.2.150400.24.52.1 SUSE-SU-2024:0900-1
SLE Micro 5.4 kernel-rt +1 5.14.21-150400.15.71.1 SUSE-SU-2024:0977-1
SLE Micro 5.3 kernel-default 5.14.21-150400.24.111.2 SUSE-SU-2024:0900-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.111.2.150400.24.52.1 SUSE-SU-2024:0900-1
SLE Micro 5.3 kernel-rt +1 5.14.21-150400.15.71.1 SUSE-SU-2024:0977-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.52.1 SUSE-SU-2024:0858-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_11 +1 1-150500.11.3.1 SUSE-SU-2024:0910-1, SUSE-SU-2024:0858-1
SLE Live Patching 15 SP4 kernel-default 5.14.21-150400.24.111.2 SUSE-SU-2024:0900-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4-RT_Update_19 1-150400.1.3.1 SUSE-SU-2024:0977-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_24 1-150400.9.3.1 SUSE-SU-2024:0900-1
SLE Live Patching 12 SP5 kernel-default 4.12.14-122.201.1 SUSE-SU-2024:0925-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_54 1-8.7.1 SUSE-SU-2024:0925-1
SLE HPC 15 SP4 kernel-64kb +2 5.14.21-150400.24.111.2 SUSE-SU-2024:0900-1
SLE HPC 15 SP4 kernel-default-base 5.14.21-150400.24.111.2.150400.24.52.1 SUSE-SU-2024:0900-1
SLE HPC 15 SP4 kernel-syms +2 5.14.21-150400.24.111.1 SUSE-SU-2024:0900-1
SUSE Real Time Module 15 SP5 kernel-rt +3 5.14.21-150500.13.38.1 SUSE-SU-2024:0910-1
SUSE Manager Server 4.3 kernel-default +1 5.14.21-150400.24.111.2 SUSE-SU-2024:0900-2, SUSE-SU-2024:0900-1
SUSE Manager Server 4.3 kernel-default-base 5.14.21-150400.24.111.2.150400.24.52.1 SUSE-SU-2024:0900-2, SUSE-SU-2024:0900-1
SUSE Manager Server 4.3 kernel-syms +1 5.14.21-150400.24.111.1 SUSE-SU-2024:0900-2, SUSE-SU-2024:0900-1
SUSE Manager Proxy 4.3 kernel-default 5.14.21-150400.24.111.2 SUSE-SU-2024:0900-2, SUSE-SU-2024:0900-1
SUSE Manager Proxy 4.3 kernel-default-base 5.14.21-150400.24.111.2.150400.24.52.1 SUSE-SU-2024:0900-2, SUSE-SU-2024:0900-1
SUSE Manager Proxy 4.3 kernel-syms +1 5.14.21-150400.24.111.1 SUSE-SU-2024:0900-2, SUSE-SU-2024:0900-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.5 dtb-aarch64 +10 5.14.21-150500.55.52.1 SUSE-SU-2024:0858-1
openSUSE Leap 15.5 kernel-azure +2 5.14.21-150500.33.37.1 SUSE-SU-2024:0855-1
openSUSE Leap 15.5 kernel-default-base 5.14.21-150500.55.52.1.150500.6.23.1 SUSE-SU-2024:0858-1
openSUSE Leap 15.5 kernel-rt +3 5.14.21-150500.13.38.1 SUSE-SU-2024:0910-1
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
openSUSE Leap Micro 5.4 kernel-default 5.14.21-150400.24.111.2 SUSE-SU-2024:0900-1
openSUSE Leap Micro 5.4 kernel-default-base 5.14.21-150400.24.111.2.150400.24.52.1 SUSE-SU-2024:0900-1
openSUSE Leap Micro 5.4 kernel-rt 5.14.21-150400.15.71.1 SUSE-SU-2024:0977-1
openSUSE Leap Micro 5.3 kernel-default 5.14.21-150400.24.111.2 SUSE-SU-2024:0900-1
openSUSE Leap Micro 5.3 kernel-default-base 5.14.21-150400.24.111.2.150400.24.52.1 SUSE-SU-2024:0900-1
openSUSE Leap Micro 5.3 kernel-rt 5.14.21-150400.15.71.1 SUSE-SU-2024:0977-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2 kernel-livepatch-4.14.343-259.562 1.0-0.amzn2 ALAS2-2024-2549
Amazon Linux 2 perf +8 4.14.343-259.562.amzn2 ALAS2-2024-2549

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 9 bpftool 7.4.0-503.11.1.el9_5 ELSA-2024-9315
Oracle Linux 9 rv +28 5.14.0-503.11.1.el9_5 ELSA-2024-9315
Oracle Linux 8 perf +19 4.18.0-553.8.1.el8_10 ELSA-2024-4211

Advisories 38

References