CVE-2024-38570 — Use After Free in Linux
Severity
7.8HIGHNVD
OSV6.5OSV5.5
EPSS
0.0%
top 98.44%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJun 19
Latest updateNov 19
Description
In the Linux kernel, the following vulnerability has been resolved:
gfs2: Fix potential glock use-after-free on unmount
When a DLM lockspace is released and there ares still locks in that
lockspace, DLM will unlock those locks automatically. Commit
fb6791d100d1b started exploiting this behavior to speed up filesystem
unmount: gfs2 would simply free glocks it didn't want to unlock and then
release the lockspace. This didn't take the bast callbacks for
asynchronous lock contention notifications …
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