Description
In the Linux kernel, the following vulnerability has been resolved:
ocfs2: validate l_tree_depth to avoid out-of-bounds access
The l_tree_depth field is 16-bit (__le16), but the actual maximum depth is
limited to OCFS2_MAX_PATH_DEPTH.
Add a check to prevent out-of-bounds access if l_tree_depth has an invalid
value, which may occur when reading from a corrupted mounted disk [1].
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Linux | Linux | 2.6.16 | 5.4.292 |
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 | 6.12.25-1 | — |
| Debian 13 | linux | 6.12.25-1 | — |
| Debian 12 | linux | 6.1.135-1 | DSA-5907-1 |
| Debian 11 | linux | 5.10.237-1 | DLA-4178-1 |
| Debian 11 | linux-6.1 | 6.1.137-1~deb11u1 | DLA-4193-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Nvidia-BlueField 24.04 LTS | linux-bluefield | 6.8.0-1012.16 | — |
| Ubuntu Nvidia-BlueField 22.04 LTS | linux-bluefield | 5.15.0-1069.71 | — |
| Ubuntu 25.10 | linux-azure-fde | No fix yet | — |
| Ubuntu 25.04 | linux | 6.14.0-22.22 | USN-7594-1 |
| Ubuntu 25.04 | linux-aws +3 | 6.14.0-1007.7 | USN-7594-3, USN-7594-2, USN-7594-1 |
| Ubuntu 25.04 | linux-gcp | 6.14.0-1008.8 | USN-7594-1 |
| Ubuntu 25.04 | linux-realtime | 6.14.0-1004.4 | USN-7594-1 |
| Ubuntu 24.04 LTS | linux | 6.8.0-86.87 | USN-7835-1 |
| Ubuntu 24.04 LTS | linux-aws | 6.8.0-1041.43 | USN-7835-1 |
| Ubuntu 24.04 LTS | linux-azure | 6.8.0-1041.47 | USN-7835-1 |
| Ubuntu 24.04 LTS | linux-azure-6.11 | 6.11.0-1018.18~24.04.1 | USN-7628-1 |
| Ubuntu 24.04 LTS | linux-azure-nvidia | 6.8.0-1029.32 | USN-7940-2 |
| Ubuntu 24.04 LTS | linux-gcp | 6.8.0-1042.45 | USN-7835-1 |
| Ubuntu 24.04 LTS | linux-gcp-6.11 | 6.11.0-1016.16~24.04.1 | USN-7605-1 |
| Ubuntu 24.04 LTS | linux-gke | 6.8.0-1038.43 | USN-7835-3 |
| Ubuntu 24.04 LTS | linux-gkeop | 6.8.0-1025.28 | USN-7835-1 |
| Ubuntu 24.04 LTS | linux-hwe-6.11 | 6.11.0-28.28~24.04.1 | USN-7605-1 |
| Ubuntu 24.04 LTS | linux-ibm | 6.8.0-1039.39 | USN-7835-1 |
| Ubuntu 24.04 LTS | linux-intel +4 | No fix yet | — |
| Ubuntu 24.04 LTS | linux-lowlatency | 6.8.0-86.87.1 | USN-7835-1 |
| Ubuntu 24.04 LTS | linux-lowlatency-hwe-6.11 | 6.11.0-1015.16~24.04.2 | USN-7605-2 |
| Ubuntu 24.04 LTS | linux-nvidia | 6.8.0-1041.44 | USN-7835-3 |
| Ubuntu 24.04 LTS | linux-nvidia-6.11 | 6.11.0-1012.12 | — |
| Ubuntu 24.04 LTS | linux-nvidia-lowlatency | 6.8.0-1041.44.1 | USN-7835-3 |
| Ubuntu 24.04 LTS | linux-nvidia-tegra | 6.8.0-1012.12 | — |
| Ubuntu 24.04 LTS | linux-oem-6.11 | 6.11.0-1024.24 | USN-7606-1 |
| Ubuntu 24.04 LTS | linux-oracle | 6.8.0-1038.39 | USN-7835-1 |
| Ubuntu 24.04 LTS | linux-raspi | 6.8.0-1041.45 | USN-7887-2 |
| Ubuntu 24.04 LTS | linux-xilinx | 6.8.0-1018.19 | — |
Show 19 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | linux +1 | 5.15.0-142.152 | USN-7591-1 |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1086.93 | USN-7591-4 |
| Ubuntu 22.04 LTS | linux-aws-6.8 | 6.8.0-1041.43~22.04.1 | USN-7835-6 |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1091.100 | USN-7597-1 |
| Ubuntu 22.04 LTS | linux-azure-6.8 | 6.8.0-1041.47~22.04.1 | USN-7835-1 |
| Ubuntu 22.04 LTS | linux-azure-fde | 5.15.0-1091.100.1 | — |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1085.94 | USN-7591-1 |
| Ubuntu 22.04 LTS | linux-gcp-6.8 | 6.8.0-1042.45~22.04.1 | USN-7835-3 |
| Ubuntu 22.04 LTS | linux-gke +1 | 5.15.0-1083.89 | USN-7591-1 |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1068.76 | USN-7591-1 |
| Ubuntu 22.04 LTS | linux-hwe-6.8 +1 | 6.8.0-86.87~22.04.1 | USN-7835-4 |
| Ubuntu 22.04 LTS | linux-ibm | 5.15.0-1078.81 | USN-7591-1 |
| Ubuntu 22.04 LTS | linux-ibm-6.8 | 6.8.0-1039.39~22.04.1 | USN-7835-1 |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1081.87 | USN-7591-5 |
| Ubuntu 22.04 LTS | linux-kvm | 5.15.0-1082.87 | USN-7591-1 |
| Ubuntu 22.04 LTS | linux-lowlatency-hwe-6.8 | 6.8.0-86.87.1~22.04.1 | USN-7835-1 |
| Ubuntu 22.04 LTS | linux-nvidia | 5.15.0-1080.81 | USN-7591-1 |
| Ubuntu 22.04 LTS | linux-nvidia-6.8 | 6.8.0-1041.44~22.04.2 | USN-7835-3 |
| Ubuntu 22.04 LTS | linux-nvidia-tegra | 5.15.0-1039.39 | USN-7591-1 |
| Ubuntu 22.04 LTS | linux-nvidia-tegra-igx | 5.15.0-1028.28 | USN-7591-1 |
| Ubuntu 22.04 LTS | linux-oracle-6.8 | 6.8.0-1038.39~22.04.1 | USN-7835-5 |
| Ubuntu 22.04 LTS | linux-raspi | 5.15.0-1080.83 | USN-7591-6 |
| Ubuntu 22.04 LTS | linux-riscv +32 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-xilinx-zynqmp | 5.15.0-1050.54 | USN-7602-1 |
| 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 | 6.8.0-2032.33 | USN-7887-1 |
| Ubuntu Pro Realtime 24.04 LTS | linux-realtime | 6.8.1-1036.37 | USN-7835-2 |
| Ubuntu Pro Realtime 22.04 LTS | linux-intel-iot-realtime | 5.15.0-1079.81 | USN-7591-3 |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1086.95 | USN-7591-3 |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime-6.8 | 6.8.1-1036.37~22.04.1 | USN-7835-2 |
| 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 | 6.8.0-1041.43+fips1 | — |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-azure-fips | 6.8.0-1044.50+fips1 | USN-7940-1 |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-fips | 6.8.0-86.87+fips1 | — |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-gcp-fips | 6.8.0-1042.45+fips1 | — |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-aws-fips | 5.15.0-1086.93+fips1 | USN-7591-2 |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-azure-fips | 5.15.0-1091.100+fips1 | USN-7597-2 |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-fips | 5.15.0-142.152+fips1 | USN-7591-2 |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-gcp-fips | 5.15.0-1085.94+fips1 | USN-7591-2 |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips | 5.4.0-1147.157+fips1 | USN-7585-2 |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1153.160+fips1 | USN-7585-3 |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips | 5.4.0-1121.131 | USN-7585-3 |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | 5.4.0-1150.159+fips1 | USN-7585-2 |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro FIPS-preview 22.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro 20.04 LTS | linux | 5.4.0-218.238 | USN-7585-1 |
| Ubuntu Pro 20.04 LTS | linux-aws | 5.4.0-1147.157 | USN-7585-1 |
| Ubuntu Pro 20.04 LTS | linux-aws-5.15 | 5.15.0-1086.93~20.04.1 | USN-7592-1 |
| Ubuntu Pro 20.04 LTS | linux-azure | 5.4.0-1152.159 | USN-7585-1 |
| Ubuntu Pro 20.04 LTS | linux-azure-5.15 | 5.15.0-1091.100~20.04.1 | USN-7598-1 |
| Ubuntu Pro 20.04 LTS | linux-bluefield | 5.4.0-1106.113 | USN-7585-6 |
| Ubuntu Pro 20.04 LTS | linux-gcp | 5.4.0-1150.159 | USN-7585-1 |
| Ubuntu Pro 20.04 LTS | linux-gcp-5.15 | 5.15.0-1085.94~20.04.1 | USN-7592-1 |
| Ubuntu Pro 20.04 LTS | linux-hwe-5.15 +1 | 5.15.0-142.152~20.04.1 | USN-7593-1, USN-7592-1 |
| Ubuntu Pro 20.04 LTS | linux-ibm | 5.4.0-1093.98 | USN-7585-1 |
| Ubuntu Pro 20.04 LTS | linux-ibm-5.15 | 5.15.0-1078.81~20.04.1 | USN-7592-1 |
| Ubuntu Pro 20.04 LTS | linux-iot | 5.4.0-1051.54 | USN-7640-1 |
| Ubuntu Pro 20.04 LTS | linux-kvm | 5.4.0-1134.143 | USN-7585-1 |
| Ubuntu Pro 20.04 LTS | linux-nvidia-tegra-5.15 | 5.15.0-1039.39~20.04.1 | — |
| Ubuntu Pro 20.04 LTS | linux-oracle | 5.4.0-1145.155 | USN-7585-1 |
| Ubuntu Pro 20.04 LTS | linux-oracle-5.15 +1 | 5.15.0-1083.89~20.04.1 | USN-7655-1, USN-7592-1 |
| Ubuntu Pro 20.04 LTS | linux-raspi | 5.4.0-1130.143 | USN-7585-7 |
| Ubuntu Pro 20.04 LTS | linux-riscv-5.15 | 5.15.0-1081.85~20.04.1 | — |
| Ubuntu Pro 20.04 LTS | linux-xilinx-zynqmp | 5.4.0-1065.69 | USN-7585-1 |
| Ubuntu Pro 18.04 LTS | linux +5 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | linux-aws-5.4 | 5.4.0-1147.157~18.04.1 | USN-7585-1 |
| Ubuntu Pro 18.04 LTS | linux-azure-5.4 | 5.4.0-1152.159~18.04.1 | USN-7585-4 |
| Ubuntu Pro 18.04 LTS | linux-gcp-5.4 | 5.4.0-1150.159~18.04.1 | USN-7585-1 |
| Ubuntu Pro 18.04 LTS | linux-hwe-5.4 | 5.4.0-218.238~18.04.1 | USN-7585-5 |
| Ubuntu Pro 18.04 LTS | linux-ibm-5.4 | 5.4.0-1093.98~18.04.1 | USN-7585-1 |
| Ubuntu Pro 18.04 LTS | linux-oracle-5.4 | 5.4.0-1145.155~18.04.1 | USN-7585-1 |
| Ubuntu Pro 18.04 LTS | linux-raspi-5.4 | 5.4.0-1130.143~18.04.1 | USN-7585-7 |
| Ubuntu Pro 16.04 LTS | linux +7 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux +3 | No fix yet | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | kernel-uek +34 | 6.12.0-101.33.4.3.el10uek | ELSA-2025-20530, ELSA-2025-20480 |
| Oracle Linux 7 | kernel-uek +6 | 5.4.17-2136.344.4.1.el8uek | ELSA-2025-20372 |
| Oracle Linux 7 | kernel-uek-tools | 5.4.17-2136.344.4.1.el7uek | ELSA-2025-20372 |
Advisories 45
- WID-SEC-2025-0844 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 12, 2026
- USN-7585-6 linux-bluefield vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7585-2 linux-aws-fips, linux-gcp-fips vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7593-1 linux-hwe-5.15 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7585-3 linux-azure-fips, linux-fips vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7585-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-gcp, linux-gcp-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-xilinx-zynqmp vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7598-1 linux-azure-5.15 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7640-1 linux-iot vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7585-7 linux-raspi, linux-raspi-5.4 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7592-1 linux-aws-5.15, linux-gcp-5.15, linux-ibm-5.15, linux-lowlatency-hwe-5.15, linux-oracle-5.15 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7585-4 linux-azure-5.4 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7585-5 linux-hwe-5.4 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7602-1 linux-xilinx-zynqmp vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7655-1 linux-intel-iotg-5.15 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7940-2 linux-azure-nvidia vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7940-1 linux-azure-fips vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7835-1 linux, linux-aws, linux-azure, linux-azure-6.8, linux-gcp, linux-gkeop, linux-ibm, linux-ibm-6.8, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-oracle vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7835-3 linux-gcp-6.8, linux-gke, linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7887-2 linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7835-2 linux-realtime, linux-realtime-6.8 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7835-4 linux-hwe-6.8 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7835-5 linux-oracle-6.8 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7835-6 linux-aws-6.8 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7887-1 linux-raspi-realtime vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7628-1 linux-azure, linux-azure-6.11 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7605-1 linux, linux-aws, linux-gcp, linux-gcp-6.11, linux-hwe-6.11, linux-oracle, linux-raspi, linux-realtime vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7591-1 linux, linux-gcp, linux-gke, linux-gkeop, linux-ibm, linux-kvm, linux-lowlatency, linux-nvidia, linux-nvidia-tegra, linux-nvidia-tegra-igx, linux-oracle vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7591-2 linux-aws-fips, linux-fips, linux-gcp-fips vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7605-2 linux-lowlatency, linux-lowlatency-hwe-6.11 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7591-5 linux-intel-iotg vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7597-1 linux-azure vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7606-1 linux-oem-6.11 vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7591-6 linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7597-2 linux-azure-fips vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7591-3 linux-intel-iot-realtime, linux-realtime vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- USN-7591-4 linux-aws vulnerabilities Ubuntu Security Notices (USN) · Nov 3, 2026
- DLA-4178-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-5907-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-4193-1 linux-6.1 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-7594-2 linux-azure vulnerabilities Ubuntu Security Notices (USN) · Feb 4, 2026
- USN-7594-1 linux, linux-gcp, linux-raspi, linux-realtime vulnerabilities Ubuntu Security Notices (USN) · Feb 4, 2026
- USN-7594-3 linux-aws, linux-oracle vulnerabilities Ubuntu Security Notices (USN) · Feb 4, 2026
- ELSA-2025-20530 Important: Unbreakable Enterprise kernel security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Aug 18, 2025
- ELSA-2025-20480 Important: Unbreakable Enterprise kernel security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jul 17, 2025
- ELSA-2025-20372 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jun 11, 2025
References
- https://git.kernel.org/stable/c/ef34840bda333fe99bafbd2d73b70ceaaf9eba66
- https://git.kernel.org/stable/c/538ed8b049ef801a86c543433e5061a91cc106e3
- https://git.kernel.org/stable/c/17c99ab3db2ba74096d36c69daa6e784e98fc0b8
- https://git.kernel.org/stable/c/11e24802e73362aa2948ee16b8fb4e32635d5b2a
- https://git.kernel.org/stable/c/3d012ba4404a0bb517658699ba85e6abda386dc3
- https://git.kernel.org/stable/c/49d2a2ea9d30991bae82107f9523915b91637683
- https://git.kernel.org/stable/c/b942f88fe7d2d789e51c5c30a675fa1c126f5a6d
- https://git.kernel.org/stable/c/e95d97c9c8cd0c239b7b59c79be0f6a9dcf7905c
- https://git.kernel.org/stable/c/a406aff8c05115119127c962cbbbbd202e1973ef