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.
NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.
|Base Score:||7||Base Metrics:||AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H|
|Access Vector:||Local network||Attack Complexity:||High|
|Privileges Required:||Low||User Interaction:||None|
|Integrity Impact:||High||Availability Impact:||High|
This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team