CVE-2024-49965: ocfs2: remove unreasonable unlock in ocfs2_read_blocks
First published: Mon Oct 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: ocfs2: remove unreasonable unlock in ocfs2_read_blocks Patch series "Misc fixes for ocfs2_read_blocks", v5. This series contains 2 fixes for ocfs2_read_blocks(). The first patch fix the issue reported by syzbot, which detects bad unlock balance in ocfs2_read_blocks(). The second patch fixes an issue reported by Heming Zhao when reviewing above fix. This patch (of 2): There was a lock release before exiting, so remove the unreasonable unlock.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=4.4.204<4.9 | |
| Linux Kernel | >=4.9.204<4.14 | |
| Linux Kernel | >=4.14.157<4.19 | |
| Linux Kernel | >=4.19.87<4.20 | |
| Linux Kernel | >=4.20<5.10.227 | |
| Linux Kernel | >=5.11<5.15.168 | |
| Linux Kernel | >=5.16<6.1.113 | |
| Linux Kernel | >=6.2<6.6.55 | |
| Linux Kernel | >=6.7<6.10.14 | |
| Linux Kernel | >=6.11<6.11.3 | |
| debian/linux | <=5.10.223-1<=5.10.226-1 | 6.1.123-1 6.1.128-1 6.12.12-1 6.12.15-1 |
| debian/linux-6.1 | 6.1.119-1~deb11u1 |
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Reference Links
- https://git.kernel.org/stable/c/39a88623af3f1c686bf6db1e677ed865ffe6fccc
- https://git.kernel.org/stable/c/3f1ca6ba5452d53c598a45d21267a2c0c221eef3
- https://git.kernel.org/stable/c/5245f109b4afb6595360d4c180d483a6d2009a59
- https://git.kernel.org/stable/c/81aba693b129e82e11bb54f569504d943d018de9
- https://git.kernel.org/stable/c/84543da867c967edffd5065fa910ebf56aaae49d
- https://git.kernel.org/stable/c/9753bcb17b36c9add9b32c61766ddf8d2d161911
- https://git.kernel.org/stable/c/c03a82b4a0c935774afa01fd6d128b444fd930a1
- https://git.kernel.org/stable/c/df4f20fc3673cee11abf2c571987a95733cb638d
- https://git.kernel.org/stable/c/f55a33fe0fb5274ef185fd61947cf142138958af
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-49965
- https://nvd.nist.gov/vuln/detail/CVE-2024-49965
- https://launchpad.net/bugs/cve/CVE-2024-49965
- https://security-tracker.debian.org/tracker/CVE-2024-49965
- https://ubuntu.com/security/CVE-2024-49965
- https://git.kernel.org/linus/c03a82b4a0c935774afa01fd6d128b444fd930a1
Frequently Asked Questions
What is the severity of CVE-2024-49965?
CVE-2024-49965 has been classified with a moderate severity level.
How do I fix CVE-2024-49965?
To fix CVE-2024-49965, update your Linux kernel to versions 6.1.123-1 or later.
Which versions of the Linux kernel are affected by CVE-2024-49965?
CVE-2024-49965 affects specific versions of the Linux kernel ranging from 4.4.204 to 6.11.3.
What components of the Linux kernel are involved in CVE-2024-49965?
CVE-2024-49965 specifically involves the ocfs2_read_blocks function within the Linux kernel.
Is there a patch available for CVE-2024-49965?
Yes, patches addressing CVE-2024-49965 are included in the recent Linux kernel release updates.
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