Description
In the Linux kernel before 5.17.3, fs/io_uring.c has a use-after-free due to a race condition in io_uring timeouts. This can be triggered by a local user who has no access to any user namespace; however, the race condition perhaps can only be exploited infrequently.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://www.openwall.com/lists/oss-security/2022/04/22/3 ↗
- https://github.com/torvalds/linux/commit/e677edbcabee849bfdd43f1602bccbecf736a646 ↗
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e677edbcabee849bfdd43f1602bccbecf736a646 ↗
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.3 ↗
- http://www.openwall.com/lists/oss-security/2022/04/22/4 ↗
- https://www.debian.org/security/2022/dsa-5127 ↗
- http://www.openwall.com/lists/oss-security/2022/08/08/3 ↗
- https://ruia-ruia.github.io/2022/08/05/CVE-2022-29582-io-uring/ ↗
- https://github.com/Ruia-ruia/CVE-2022-29582-Exploit ↗
- http://www.openwall.com/lists/oss-security/2024/04/24/3 ↗