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CVE-2023-53569

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CVE-2023-53569

Published: Oct 4, 2025

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: ext2: Check block size validity during mount Check that log of block size stored in the superblock has sensible value. Otherwise the shift computing the block size can overflow leading to undefined behavior.

VendorProductVersions

Linux

Linux

affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < 0ebfaf14150f55550cffb1148ed3920143c7a69c
affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < 451b98155be5dfee05bc6e7c8b30c0be4add3f71
affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < c4813f858e5c3e4c4659ce95385c1c400c593e1e
affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < 22ab5fed07ad4b206ea910fd0132d1a0d4831584
affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - < 99f8a15af6c9f0653193104a9e70891f950c6001

+3 more versions

Linux

Linux

affected
2.6.12
unaffected
0 - < 2.6.12
unaffected
4.14.316 - <= 4.14.*
unaffected
4.19.284 - <= 4.19.*
unaffected
5.4.244 - <= 5.4.*

+5 more versions

References

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