CVE-2024-40906 — Use After Free in Linux
Severity
7.8HIGHNVD
OSV5.5
EPSS
0.0%
top 98.09%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 12
Latest updateSep 23
Description
In the Linux kernel, the following vulnerability has been resolved:
net/mlx5: Always stop health timer during driver removal
Currently, if teardown_hca fails to execute during driver removal, mlx5
does not stop the health timer. Afterwards, mlx5 continue with driver
teardown. This may lead to a UAF bug, which results in page fault
Oops[1], since the health timer invokes after resources were freed.
Hence, stop the health monitor even if teardown_hca fails.
[1]
mlx5_core 0000:18:00.0: E-Switch…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9
Affected Packages6 packages
▶CVEListV5linux/linux9b98d395b85dd042fe83fb696b1ac02e6c93a520 — e7d4485d47839f4d1284592ae242c4e65b2810a9+4