High · 7.8 CVE-2023-52436 EUVD-2023-57061GHSA-74mg-f7w3-pcrr

f2fs: explicitly null-terminate the xattr list

Published Feb 20, 2024 · Updated Aug 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-lts-xenial 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:

f2fs: explicitly null-terminate the xattr list

When setting an xattr, explicitly null-terminate the xattr list. This
eliminates the fragile assumption that the unused xattr space is always
zeroed.

Affected products

Vendor	Product	Affected	Fixed
Linux	Linux	3.8	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.

Debian

Security tracker ↗

Release	Package	Fixed in	Advisory
Debian 14	linux	6.6.13-1	—
Debian 13	linux	6.6.13-1	—
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

Ubuntu

Security tracker ↗

Release	Package	Fixed in	Advisory
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-aws-6.5	6.5.0-1017.17~22.04.2	USN-6724-2
Ubuntu 22.04 LTS	linux-azure	5.15.0-1060.69	USN-6725-1
Ubuntu 22.04 LTS	linux-azure-6.5	6.5.0-1018.19~22.04.2	USN-6724-1
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	6.5.0-1017.17~22.04.1	USN-6724-1
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	6.5.0-27.28~22.04.1	USN-6724-1
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-nvidia	5.15.0-1048.48	USN-6725-1
Ubuntu 22.04 LTS	linux-nvidia-6.5	6.5.0-1014.14	—
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	6.5.0-1019.20	USN-6724-1
Ubuntu 22.04 LTS	linux-oracle	5.15.0-1055.61	USN-6725-1
Ubuntu 22.04 LTS	linux-oracle-6.5	6.5.0-1020.20~22.04.1	USN-6724-1
Ubuntu 22.04 LTS	linux-riscv +20	No fix yet	—
Ubuntu 22.04 LTS	linux-riscv-6.5 +1	6.5.0-27.28.1~22.04.1	USN-6724-1
Ubuntu 22.04 LTS	linux-starfive-6.5	6.5.0-1011.12~22.04.1	USN-6724-1
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 13 more (older releases, extended support, other products)

Release	Package	Fixed in	Advisory
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 16.04 LTS	linux-fips	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	4.15.0-2109.115	—
Ubuntu Pro FIPS-updates 18.04 LTS	linux-azure-fips	4.15.0-2088.94	—
Ubuntu Pro FIPS-updates 18.04 LTS	linux-fips	4.15.0-1125.136	—
Ubuntu Pro FIPS-updates 18.04 LTS	linux-gcp-fips	4.15.0-2072.77	—
Ubuntu Pro FIPS-updates 16.04 LTS	linux-fips	4.4.0-1103.110	—
Ubuntu Pro FIPS-preview 22.04 LTS	linux-fips +3	No fix yet	—
Ubuntu Pro 18.04 LTS	linux	4.15.0-227.239	USN-6926-1
Ubuntu Pro 18.04 LTS	linux-aws	4.15.0-1170.183	USN-6926-1
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	4.15.0-1179.194	USN-6926-2
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	4.15.0-1164.181	USN-6926-1
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	4.15.0-1154.159	USN-6926-1
Ubuntu Pro 18.04 LTS	linux-oracle	4.15.0-1133.144	USN-6926-1
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	4.4.0-257.291	USN-6938-1
Ubuntu Pro 16.04 LTS	linux-aws	4.4.0-1172.187	USN-6938-1
Ubuntu Pro 16.04 LTS	linux-aws-hwe	4.15.0-1170.183~16.04.1	USN-6926-1
Ubuntu Pro 16.04 LTS	linux-azure	4.15.0-1179.194~16.04.1	USN-6926-3
Ubuntu Pro 16.04 LTS	linux-gcp	4.15.0-1164.181~16.04.1	USN-6926-1
Ubuntu Pro 16.04 LTS	linux-hwe	4.15.0-227.239~16.04.1	USN-6926-1
Ubuntu Pro 16.04 LTS	linux-kvm	4.4.0-1135.145	USN-6938-1
Ubuntu Pro 16.04 LTS	linux-oracle	4.15.0-1133.144~16.04.1	USN-6926-1
Ubuntu Pro 14.04 LTS	linux	No fix yet	—
Ubuntu Pro 14.04 LTS	linux-aws	4.4.0-1134.140	USN-6938-1
Ubuntu Pro 14.04 LTS	linux-azure	4.15.0-1179.194~14.04.1	USN-6926-2
Ubuntu Pro 14.04 LTS	linux-lts-xenial	4.4.0-257.291~14.04.1	USN-6938-1

Advisories 15

USN-6725-1 linux, linux-azure, linux-azure-5.15, linux-azure-fde, linux-azure-fde-5.15, linux-gcp, linux-gcp-5.15, linux-gke, linux-gkeop, linux-gkeop-5.15, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-intel-iotg, linux-intel-iotg-5.15, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-oracle, linux-oracle-5.15, linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
USN-6725-2 linux-aws, linux-aws-5.15 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
USN-6926-3 linux-azure vulnerabilities Ubuntu Security Notices (USN) · Oct 27, 2026
USN-6938-1 linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities Ubuntu Security Notices (USN) · Oct 27, 2026
USN-6926-1 linux, linux-aws, linux-aws-hwe, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle vulnerabilities Ubuntu Security Notices (USN) · Oct 27, 2026
USN-6926-2 linux-azure, linux-azure-4.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 27, 2026
USN-6726-2 linux-iot vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
USN-6726-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-bluefield, linux-gcp, linux-gcp-5.4, linux-gkeop, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
USN-6726-3 linux-xilinx-zynqmp vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
USN-6724-1 linux, linux-aws, linux-azure, linux-azure-6.5, linux-gcp, linux-gcp-6.5, linux-hwe-6.5, linux-laptop, linux-lowlatency, linux-lowlatency-hwe-6.5, linux-oem-6.5, linux-oracle, linux-oracle-6.5, linux-starfive, linux-starfive-6.5 vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
USN-6724-2 linux-aws-6.5, linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
USN-6688-1 linux-oem-6.1 vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
WID-SEC-2024-0444 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 29, 2026
DLA-3841-1 linux-5.10 - security update Debian Security (DSA / DLA) · Mar 9, 2026
DLA-3840-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026

References