CVE-2022-29582

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.

References

https://www.openwall.com/lists/oss-security/2022/04/22/3

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e677edbcabee849bfdd43f1602bccbecf736a646

https://github.com/torvalds/linux/commit/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

Details

Risk Information

CVSS v2

CVSS v3