fs/9p: only translate RWX permissions for plain 9P2000
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.5%
exploitation probability
0.5%top 60% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
fs/9p: only translate RWX permissions for plain 9P2000
Garbage in plain 9P2000's perm bits is allowed through, which causes it
to be able to set (among others) the suid bit. This was presumably not
the intent since the unix extended bits are handled explicitly and
conditionally on .u.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/157d468e34fdd3cb1ddc07c2be32fb3b02826b02https://git.kernel.org/stable/c/5a605930e19f451294bd838754f7d66c976a8a2chttps://git.kernel.org/stable/c/ad4f65328661392de74e3608bb736fedf3b67e32https://git.kernel.org/stable/c/ca9b5c81f0c918c63d73d962ed8a8e231f840bc8https://git.kernel.org/stable/c/cd25e15e57e68a6b18dc9323047fe9c68b99290bhttps://git.kernel.org/stable/c/df1962a199783ecd66734d563caf0fedecf08f96https://git.kernel.org/stable/c/e55c601af3b1223a84f9f27f9cdbd2af5e203bf3https://git.kernel.org/stable/c/e90bc596a74bb905e0a45bf346038c3f9d1e868dhttps://lists.debian.org/debian-lts-announce/2024/06/msg00020.html