Description
In the Linux kernel, the following vulnerability has been resolved:
xsk: Add missing overflow check in xdp_umem_reg
The number of chunks can overflow u32. Make sure to return -EINVAL on
overflow. Also remove a redundant u32 cast assigning umem->npgs.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Linux | Linux | 4.18 | 5.10.177 |
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 | 6.1.25-1 | — |
| Debian 13 | linux | 6.1.25-1 | — |
| Debian 12 | linux | 6.1.25-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Nvidia-BlueField 22.04 LTS | linux-bluefield | 5.15.0-1022.24 | — |
| Ubuntu 24.04 LTS | linux-realtime +1 | No fix yet | — |
| Ubuntu 22.04 LTS | linux | 5.15.0-79.86 | — |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1042.47 | — |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1045.52 | — |
| Ubuntu 22.04 LTS | linux-azure-fde | 5.15.0-1045.52.1 | — |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1039.47 | — |
| Ubuntu 22.04 LTS | linux-gke +1 | 5.15.0-1039.44 | — |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1025.30 | — |
| Ubuntu 22.04 LTS | linux-ibm +1 | 5.15.0-1035.38 | — |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1037.42 | — |
| Ubuntu 22.04 LTS | linux-lowlatency | 5.15.0-79.88 | — |
| Ubuntu 22.04 LTS | linux-nvidia | 5.15.0-1030.30 | — |
| Ubuntu 22.04 LTS | linux-nvidia-tegra | 5.15.0-1016.16 | — |
| Ubuntu 22.04 LTS | linux-nvidia-tegra-igx | 5.15.0-1002.2 | — |
| Ubuntu 22.04 LTS | linux-oracle | 5.15.0-1040.46 | — |
| Ubuntu 22.04 LTS | linux-riscv +31 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-xilinx-zynqmp | 5.15.0-1025.29 | — |
| Ubuntu 20.04 LTS | linux-aws-5.15 | 5.15.0-1041.46~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1045.52~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-gcp-5.15 | 5.15.0-1039.47~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-gke +28 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-hwe-5.15 | 5.15.0-79.86~20.04.2 | — |
| Ubuntu 20.04 LTS | linux-ibm-5.15 | 5.15.0-1036.39~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1037.42~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-lowlatency-hwe-5.15 | 5.15.0-79.88~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-nvidia-tegra-5.15 | 5.15.0-1016.16~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-oracle-5.15 | 5.15.0-1040.46~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-riscv-5.15 | 5.15.0-1038.42~20.04.2 | — |
| Ubuntu 18.04 LTS | linux-gcp +14 | No fix yet | — |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu Pro Realtime 22.04 LTS | linux-intel-iot-realtime | 5.15.0-1036.38 | — |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1043.48 | — |
| Ubuntu Pro FIPS 20.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-preview 22.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro 20.04 LTS | linux +10 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | linux-aws-5.4 +6 | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | kernel-syms +2 | 4.12.14-122.261.1 | SUSE-SU-2025:01983-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.261.1 | SUSE-SU-2025:01983-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_69 | 1-8.3.1 | SUSE-SU-2025:01983-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | kernel-livepatch-6.1.23-36.46 | 1.0-0.amzn2023 | ALAS2023-2025-1054, ALAS2023-2023-160 |
| Amazon Linux 2023 | perf +12 | 6.1.23-36.46.amzn2023 | ALAS2023-2025-1054, ALAS2023-2023-160 |
Advisories 3
- ALAS2023-2025-1054 Important: kernel security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 8, 2026
- SUSE-SU-2025:01983-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2023-2023-160 Moderate: kernel security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Jun 19, 2025
References
- https://git.kernel.org/stable/c/580634b03a55f04a3c1968bcbd97736c079c6601
- https://git.kernel.org/stable/c/3cfc3564411acf96bf2fb791f706a1aa4f872c1d
- https://git.kernel.org/stable/c/a069909acc4435eeb41d05ccc03baa447cc01b7e
- https://git.kernel.org/stable/c/bb2e3bfb2a79db0c2057c6f701b782954394c67f
- https://git.kernel.org/stable/c/c7df4813b149362248d6ef7be41a311e27bf75fe