CVE-2024-40935 — Use After Free in Linux
Severity
7.8HIGHNVD
OSV5.5
EPSS
0.0%
top 97.54%
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:
cachefiles: flush all requests after setting CACHEFILES_DEAD
In ondemand mode, when the daemon is processing an open request, if the
kernel flags the cache as CACHEFILES_DEAD, the cachefiles_daemon_write()
will always return -EIO, so the daemon can't pass the copen to the kernel.
Then the kernel process that is waiting for the copen triggers a hung_task.
Since the DEAD state is irreversible, it can only be exited by closing
/…
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/linuxc8383054506c77b814489c09877b5db83fd4abf2 — 320ba9cbca78be79c912143bbba1d1b35ca55cf0+4