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CVE-2026-93055

UDF symlink pathComponent header OOB read

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, and 2 more
None on Exploit-DB, Metasploit or GitHub

Summary

In the Linux kernel, the following vulnerability has been resolved: UDF symlink pathComponent header OOB read udf_symlink_filler() can enter udf_pc_to_char() with a partial pathComponent header. Validate that enough input remains for a complete pathComponent header before accessing it. Reject malformed symlink data that would otherwise make udf_pc_to_char() perform an out-of-bounds read.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in d9f49c8b55debf1512f912077b6c759cc8b6d2e0; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 48b2a74317e15f93983c74a5a07245bc94a00d39; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in f44f5f795f1a56249821a05183347ea025855e31; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 57371e743398e0d485f0f7beede1ade41f812324; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in ee264227b656218bc1b257d8e4f83467f5f17723; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in 8da8fd3df9fc14cf79ca3a3978d27ba067985111; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in b21cb958292ee1e02eb305ff9de09f2f7edd551a; From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 · fixed in d23eb7380d1594cda31a5dc8487dd2a5c8def8c7

  • Linux Linux

    2.6.12

  • KernelLinux

    From 2.6.12 · fixed in 5.10.270; From 5.11.0 · fixed in 5.15.221; From 5.16.0 · fixed in 6.1.188; From 6.2.0 · fixed in 6.6.157; From 6.7.0 · fixed in 6.12.110; From 6.13.0 · fixed in 6.18.52; From 6.19.0 · fixed in 7.2.6

References 8

git.kernel.org