In the Linux kernel, the following vulnerability has been resolved:
signal: avoid shared siginfo namespace rewrites
send_signal_locked() rewrites sender ids for the target namespace. Group sends reuse the same siginfo, so one recipient can affect the next.
Copy the siginfo before changing it.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade bpftool-debuginfoUpgrade kernel-headersUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools-debuginfoUpgrade perf-debuginfoUpgrade kernel-develUpgrade python-perf-debuginfoUpgrade kernel-toolsUpgrade kernel-debuginfoUpgrade perfUpgrade python-perfUpgrade kernel-tools-develUpgrade kernelUpgrade bpftoolUpgrade kernel-livepatch-5.15.221-157.262Upgrade kernel-livepatch-5.10.270-271.1109Upgrade kernel-debuginfo-common-x86_64 | Oct 19, 2026 | Oct 19, 2026 |
| Debian | — | Upgrade linuxUpgrade linux-6.12 | Sep 30, 2026 | Sep 24, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 13, 2026 | Sep 24, 2026 |
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