linux: A use-after-free flaw was found in io_uring/poll.c in io_poll_check_events in the io_uring subcomponent in the Linux...
CVE-2023-0468 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-0468, released January 26, 2023. It is not reported as exploited. Patch Radar priority: Routine.
A use-after-free flaw was found in io_uring/poll.c in io_poll_check_events in the io_uring subcomponent in the Linux Kernel due to a race condition of poll_refs. This flaw may cause a NULL pointer dereference.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 6.0.12-1 | DEBIAN-CVE-2023-0468 | Jan 26, 2023 |
| linux · Debian 13.5 (trixie) | 6.0.12-1 | DEBIAN-CVE-2023-0468 | Jan 26, 2023 |
| linux · Debian 14 | 6.0.12-1 | DEBIAN-CVE-2023-0468 | Jan 26, 2023 |
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