CVE-2023-53569

ext2: Check block size validity during mount

State
Published
Severity
Not scored
Published
Oct 4, 2025
Updated
May 11, 2026
Reserved
Oct 4, 2025

Read the record on cve.org

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 0ebfaf14150f55550cffb1148ed3920143c7a69cAffected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 451b98155be5dfee05bc6e7c8b30c0be4add3f71Affected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before c4813f858e5c3e4c4659ce95385c1c400c593e1eAffected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 22ab5fed07ad4b206ea910fd0132d1a0d4831584Affected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 99f8a15af6c9f0653193104a9e70891f950c6001Affected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before e6f4fb28890c1361e0db9eb1adee3fc04e7fe7f5Affected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before c2e7776843a953fd7e48895c3880c277f996193eAffected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 62aeb94433fcec80241754b70d0d1836d5926b0aAffected
LinuxLinux
  • 2.6.12Affected
  • before 2.6.12Not affected
  • 4.14.316 through 4.14.*Not affected
  • 4.19.284 through 4.19.*Not affected
  • 5.4.244 through 5.4.*Not affected
  • 5.10.181 through 5.10.*Not affected
  • 5.15.113 through 5.15.*Not affected
  • 6.1.30 through 6.1.*Not affected
  • 6.3.4 through 6.3.*Not affected
  • 6.4 and laterNot affected

References

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