Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Fix null-ptr-deref Read in txBegin Syzkaller reported an issue where txBegin may be called on a superblock in a read-only mounted filesystem which leads to NULL pointer deref. This could be solved by checking if the filesystem is read-only before calling txBegin, and returning with appropiate error code.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 2.6.12.1, < 4.14.324 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/1b4c144767736221cad92c132f72b3c6ed06a0eaPatch
- https://git.kernel.org/stable/c/2a3f20efe6c901d4c0871cfd1d8c65e2ade71fc1Patch
- https://git.kernel.org/stable/c/3e5eb6c5ecd8ddb9cfea751cf30f9e23eac97ca3Patch
- https://git.kernel.org/stable/c/3e94d0d378d2754b26fc54b429582553f7b53e15Patch
- https://git.kernel.org/stable/c/47cfdc338d674d38f4b2f22b7612cc6a2763ba27Patch
- https://git.kernel.org/stable/c/a7225e9e09519deb7e0c42eb6070029cc456e84dPatch
- https://git.kernel.org/stable/c/a7d17d6bd7cd4f6940b335ea7a6fce5b6d22adc2Patch
- https://git.kernel.org/stable/c/fd2db13fb72ff18c633a48229589d42ceb89d1f8Patch
FAQ
What is CVE-2023-53457?
CVE-2023-53457 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Fix null-ptr-deref Read in txBegin Syzkaller reported an issue where txBegin may be called on a superblock in a read-on...
How severe is CVE-2023-53457?
CVE-2023-53457 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-53457?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.