CVE-2023-53457
FS: JFS: Fix null-ptr-deref Read in txBegin
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Oct 1, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < a7225e9e09519deb7e0c42eb6070029cc456e84d 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1b4c144767736221cad92c132f72b3c6ed06a0ea 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < a7d17d6bd7cd4f6940b335ea7a6fce5b6d22adc2 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 2a3f20efe6c901d4c0871cfd1d8c65e2ade71fc1 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 3e94d0d378d2754b26fc54b429582553f7b53e15 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 3e5eb6c5ecd8ddb9cfea751cf30f9e23eac97ca3 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < fd2db13fb72ff18c633a48229589d42ceb89d1f8 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 47cfdc338d674d38f4b2f22b7612cc6a2763ba27
Linux / Linux
2.6.12
References
git.kernel.org: https://git.kernel.org/stable/c/a7225e9e09519deb7e0c42eb6070029cc456e84d git.kernel.org: https://git.kernel.org/stable/c/1b4c144767736221cad92c132f72b3c6ed06a0ea git.kernel.org: https://git.kernel.org/stable/c/a7d17d6bd7cd4f6940b335ea7a6fce5b6d22adc2 git.kernel.org: https://git.kernel.org/stable/c/2a3f20efe6c901d4c0871cfd1d8c65e2ade71fc1 git.kernel.org: https://git.kernel.org/stable/c/3e94d0d378d2754b26fc54b429582553f7b53e15 git.kernel.org: https://git.kernel.org/stable/c/3e5eb6c5ecd8ddb9cfea751cf30f9e23eac97ca3 git.kernel.org: https://git.kernel.org/stable/c/fd2db13fb72ff18c633a48229589d42ceb89d1f8 git.kernel.org: https://git.kernel.org/stable/c/47cfdc338d674d38f4b2f22b7612cc6a2763ba27