Description
In the Linux kernel, the following vulnerability has been resolved:
io_uring: fix io_req_prep_async with provided buffers
io_req_prep_async() can import provided buffers, commit the ring state
by giving up on that before, it'll be reimported later if needed.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Linux | Linux | 5.19 | 6.1.129 |
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 | 6.12.15-1 | — |
| Debian 13 | linux | 6.12.15-1 | — |
| Debian 12 | linux | 6.1.129-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux | 6.8.0-64.67 | — |
| Ubuntu 24.04 LTS | linux-aws | 6.8.0-1032.34 | — |
| Ubuntu 24.04 LTS | linux-azure | 6.8.0-1034.39 | — |
| Ubuntu 24.04 LTS | linux-azure-nvidia | 6.8.0-1022.23 | — |
| Ubuntu 24.04 LTS | linux-gcp | 6.8.0-1033.35 | — |
| Ubuntu 24.04 LTS | linux-gke | 6.8.0-1028.32 | — |
| Ubuntu 24.04 LTS | linux-gkeop | 6.8.0-1015.17 | — |
| Ubuntu 24.04 LTS | linux-ibm | 6.8.0-1029.29 | — |
| Ubuntu 24.04 LTS | linux-intel +6 | No fix yet | — |
| Ubuntu 24.04 LTS | linux-lowlatency | 6.8.0-64.67.1 | — |
| Ubuntu 24.04 LTS | linux-nvidia | 6.8.0-1031.34 | — |
| Ubuntu 24.04 LTS | linux-nvidia-lowlatency | 6.8.0-1031.34.1 | — |
| Ubuntu 24.04 LTS | linux-nvidia-tegra | 6.8.0-1008.8 | — |
| Ubuntu 24.04 LTS | linux-oracle | 6.8.0-1029.30 | — |
| Ubuntu 24.04 LTS | linux-raspi | 6.8.0-1031.35 | — |
| Ubuntu 24.04 LTS | linux-xilinx | 6.8.0-1017.18 | — |
| Ubuntu 22.04 LTS | linux-aws-6.8 | 6.8.0-1032.34~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-azure-6.8 | 6.8.0-1034.39~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-gcp-6.8 | 6.8.0-1033.35~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-hwe-6.8 +1 | 6.8.0-64.67~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-ibm-6.8 | 6.8.0-1029.29~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-lowlatency-hwe-6.8 | 6.8.0-64.67.1~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-nvidia-6.8 | 6.8.0-1031.34~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-oracle-6.8 | 6.8.0-1029.30~22.04.1 | — |
| Ubuntu 22.04 LTS | linux-riscv +32 | No fix yet | — |
| 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 | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro Realtime 24.04 LTS | linux-raspi-realtime | 6.8.0-2026.27 | — |
| Ubuntu Pro Realtime 24.04 LTS | linux-realtime | 6.8.1-1025.26 | — |
| Ubuntu Pro Realtime 24.04 LTS | linux-realtime-6.14 | No fix yet | — |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime-6.8 | 6.8.1-1025.26~22.04.1 | — |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-fips | 6.8.0-78.78+fips1 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | kernel-64kb +7 | 5.3.18-150300.59.207.1 | SUSE-SU-2025:01982-1 |
| SLES 15 SP3 | kernel-default-base | 5.3.18-150300.59.207.1.150300.18.124.1 | SUSE-SU-2025:01982-1 |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | kernel-64kb +7 | 6.12.0-160000.7.1 | SUSE-SU-2025:21147-1 |
| SLES for SAP 16.0 | kernel-default-base | 6.12.0-160000.6.1.160000.2.4 | SUSE-SU-2025:21147-1 |
| SLES for SAP 15 SP3 | kernel-default-base | 5.3.18-150300.59.207.1.150300.18.124.1 | SUSE-SU-2025:01982-1 |
| SLES for SAP 15 SP3 | kernel-docs +5 | 5.3.18-150300.59.207.1 | SUSE-SU-2025:01982-1 |
| SLES 16.0 | kernel-64kb +7 | 6.12.0-160000.7.1 | SUSE-SU-2025:21180-1, SUSE-SU-2025:21147-1 |
| SLES 16.0 | kernel-default-base | 6.12.0-160000.6.1.160000.2.4 | SUSE-SU-2025:21147-1 |
| SLE Micro 6.2 | kernel-default-base | 6.12.0-160000.6.1.160000.2.4 | SUSE-SU-2025:21080-1 |
| SLE Micro 6.2 | kernel-rt +5 | 6.12.0-160000.7.1 | SUSE-SU-2026:20561-1, SUSE-SU-2025:21080-1 |
| SLE Micro 5.2 | kernel-default | 5.3.18-150300.59.207.1 | SUSE-SU-2025:01982-1 |
| SLE Micro 5.2 | kernel-default-base | 5.3.18-150300.59.207.1.150300.18.124.1 | SUSE-SU-2025:01982-1 |
| SLE Micro 5.1 | kernel-default | 5.3.18-150300.59.207.1 | SUSE-SU-2025:01982-1 |
| SLE Micro 5.1 | kernel-default-base | 5.3.18-150300.59.207.1.150300.18.124.1 | SUSE-SU-2025:01982-1 |
| SLE Live Patching 15 SP3 | kernel-default | 5.3.18-150300.59.207.1 | SUSE-SU-2025:01982-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_58 | 1-150300.7.3.1 | SUSE-SU-2025:01982-1 |
| SLE HPC 15 SP3 | kernel-64kb +6 | 5.3.18-150300.59.207.1 | SUSE-SU-2025:01982-1 |
| SLE HPC 15 SP3 | kernel-default-base | 5.3.18-150300.59.207.1.150300.18.124.1 | SUSE-SU-2025:01982-1 |
| SUSE Enterprise Storage 7.1 | kernel-64kb +6 | 5.3.18-150300.59.207.1 | SUSE-SU-2025:01982-1 |
| SUSE Enterprise Storage 7.1 | kernel-default-base | 5.3.18-150300.59.207.1.150300.18.124.1 | SUSE-SU-2025:01982-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | kernel-default-base | 6.12.0-160000.6.1.160000.2.4 | openSUSE-SU-2025:20091-1 |
| openSUSE Leap 16.0 | kernel-rt +10 | 6.12.0-160000.7.1 | openSUSE-SU-2025:20091-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | kernel-livepatch-6.1.129-138.220 | 1.0-0.amzn2023 | ALAS2023-2025-876 |
| Amazon Linux 2023 | perf +14 | 6.1.129-138.220.amzn2023 | ALAS2023-2025-876 |
Advisories 8
- WID-SEC-2025-0861 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 12, 2026
- SUSE-SU-2026:20561-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Jul 9, 2026
- openSUSE-SU-2025:20091-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:21147-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:21080-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:21180-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:01982-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2023-2025-876 Important: kernel security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Oct 2, 2025
References
- https://git.kernel.org/stable/c/233b210a678bddf8b49b02a070074a52b87e6d43
- https://git.kernel.org/stable/c/a1b17713b32c75a90132ea2f92b1257f3bbc20f3
- https://git.kernel.org/stable/c/b86f1d51731e621e83305dc9564ae14c9ef752bf
- https://git.kernel.org/stable/c/a94592ec30ff67dc36c424327f1e0a9ceeeb9bd3
- https://git.kernel.org/stable/c/35ae7910c349fb3c60439992e2e0e79061e95382
- https://git.kernel.org/stable/c/f0ef94553868d07c1b14d7743a7e2553e5a831a3
- https://git.kernel.org/stable/c/d63b0e8a628e62ca85a0f7915230186bb92f8bb4