CVE-2024-36964
fs/9p: only translate RWX permissions for plain 9P2000
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 3.1
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Linux Linux
From 3.0.5 · fixed in 3.1
- Linux Linux
3.1
References 8
git.kernel.org
- stable/c/e90bc596a74bb905e0a45bf346038c3f9d1e868d
- stable/c/df1962a199783ecd66734d563caf0fedecf08f96
- stable/c/5a605930e19f451294bd838754f7d66c976a8a2c
- stable/c/ad4f65328661392de74e3608bb736fedf3b67e32
- stable/c/ca9b5c81f0c918c63d73d962ed8a8e231f840bc8
- stable/c/e55c601af3b1223a84f9f27f9cdbd2af5e203bf3
- stable/c/157d468e34fdd3cb1ddc07c2be32fb3b02826b02
- stable/c/cd25e15e57e68a6b18dc9323047fe9c68b99290b