In the Linux kernel, the following vulnerability has been resolved:
io_uring/af_unix: defer registered files gc to io_uring release
Instead of putting io_uring's registered files in unix_gc() we want it to be done by io_uring itself. The trick here is to consider io_uring registered files for cycle detection but not actually putting them down. Because io_uring can't register other ring instances, this will remove all refs to the ring file triggering the ->release path and clean up with io_ring_ctx_free().
[axboe: add kerneldoc comment to skb, fold in skb leak fix]
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernelUpgrade kernel-headersUpgrade python-perf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade bpftool-debuginfoUpgrade python-perfUpgrade kernel-livepatch-5.10.147-133.644Upgrade kernel-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade perf-debuginfoUpgrade kernel-toolsUpgrade kernel-livepatch-5.15.73-48.135Upgrade kernel-develUpgrade kernel-tools-develUpgrade kernel-tools-debuginfoUpgrade bpftoolUpgrade perf | May 20, 2026 | May 20, 2026 |
| Debian | — | Upgrade linux | Sep 17, 2025 | Sep 17, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-tools-libsUpgrade python3-perfUpgrade kernel-toolsUpgrade bpftoolUpgrade kernelUpgrade kernel-abi-stablelists | Mar 10, 2026 | Mar 10, 2026 |
| Redhat_linux | — | — | Jul 17, 2026 | Sep 15, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 15, 2025 | Sep 15, 2025 |
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