CVE-2024-36964: fs/9p: only translate RWX permissions for plain 9P2000
First published: Mon Jun 03 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
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Reference Links
- https://git.kernel.org/stable/c/157d468e34fdd3cb1ddc07c2be32fb3b02826b02
- https://git.kernel.org/stable/c/5a605930e19f451294bd838754f7d66c976a8a2c
- https://git.kernel.org/stable/c/ad4f65328661392de74e3608bb736fedf3b67e32
- https://git.kernel.org/stable/c/ca9b5c81f0c918c63d73d962ed8a8e231f840bc8
- https://git.kernel.org/stable/c/cd25e15e57e68a6b18dc9323047fe9c68b99290b
- https://git.kernel.org/stable/c/df1962a199783ecd66734d563caf0fedecf08f96
- https://git.kernel.org/stable/c/e55c601af3b1223a84f9f27f9cdbd2af5e203bf3
- https://git.kernel.org/stable/c/e90bc596a74bb905e0a45bf346038c3f9d1e868d
- https://launchpad.net/bugs/cve/CVE-2024-36964
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-36964
- https://nvd.nist.gov/vuln/detail/CVE-2024-36964
- https://security-tracker.debian.org/tracker/CVE-2024-36964
- https://ubuntu.com/security/CVE-2024-36964
- https://git.kernel.org/linus/cd25e15e57e68a6b18dc9323047fe9c68b99290b
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