CVE-2026-93222 — signal: avoid shared siginfo namespace rewrites
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 nam…
Published: 2026-09-24 · CVSS: Unscored
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7