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CVE-2023-53457

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CVE-2023-53457

Published: Oct 1, 2025

Modified: May 11, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < a7225e9e09519deb7e0c42eb6070029cc456e84d
affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < 1b4c144767736221cad92c132f72b3c6ed06a0ea
affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < a7d17d6bd7cd4f6940b335ea7a6fce5b6d22adc2
affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < 2a3f20efe6c901d4c0871cfd1d8c65e2ade71fc1
affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < 3e94d0d378d2754b26fc54b429582553f7b53e15

+3 more versions

Linux

Linux

affected
2.6.12
unaffected
0 - < 2.6.12
unaffected
4.14.324 - <= 4.14.*
unaffected
4.19.293 - <= 4.19.*
unaffected
5.4.255 - <= 5.4.*

+5 more versions

References

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