Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before a7225e9e09519deb7e0c42eb6070029cc456e84d; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 1b4c144767736221cad92c132f72b3c6ed06a0ea; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before a7d17d6bd7cd4f6940b335ea7a6fce5b6d22adc2; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 2a3f20efe6c901d4c0871cfd1d8c65e2ade71fc1; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 3e94d0d378d2754b26fc54b429582553f7b53e15; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 3e5eb6c5ecd8ddb9cfea751cf30f9e23eac97ca3; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before fd2db13fb72ff18c633a48229589d42ceb89d1f8; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 47cfdc338d674d38f4b2f22b7612cc6a2763ba27 |
| Linux / Linux | affected 2.6.12; unaffected 0 before 2.6.12; unaffected 4.14.324 through 4.14.*; unaffected 4.19.293 through 4.19.*; unaffected 5.4.255 through 5.4.*; unaffected 5.10.192 through 5.10.*; unaffected 5.15.123 through 5.15.*; unaffected 6.1.42 through 6.1.*; unaffected 6.4.7 through 6.4.*; unaffected 6.5 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/a7225e9e09519deb7e0c42eb6070029cc456e84d
- https://git.kernel.org/stable/c/1b4c144767736221cad92c132f72b3c6ed06a0ea
- https://git.kernel.org/stable/c/a7d17d6bd7cd4f6940b335ea7a6fce5b6d22adc2
- https://git.kernel.org/stable/c/2a3f20efe6c901d4c0871cfd1d8c65e2ade71fc1
- https://git.kernel.org/stable/c/3e94d0d378d2754b26fc54b429582553f7b53e15
- https://git.kernel.org/stable/c/3e5eb6c5ecd8ddb9cfea751cf30f9e23eac97ca3
- https://git.kernel.org/stable/c/fd2db13fb72ff18c633a48229589d42ceb89d1f8
- https://git.kernel.org/stable/c/47cfdc338d674d38f4b2f22b7612cc6a2763ba27