CVE-2026-93055 PUBLISHED

UDF symlink pathComponent header OOB read

Assigner: Linux
Reserved: 17.09.2026 Published: 17.09.2026 Updated: 17.09.2026

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.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to d9f49c8b55debf1512f912077b6c759cc8b6d2e0 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 48b2a74317e15f93983c74a5a07245bc94a00d39 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to f44f5f795f1a56249821a05183347ea025855e31 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 57371e743398e0d485f0f7beede1ade41f812324 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to ee264227b656218bc1b257d8e4f83467f5f17723 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to 8da8fd3df9fc14cf79ca3a3978d27ba067985111 (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to b21cb958292ee1e02eb305ff9de09f2f7edd551a (excl.)
  • affected from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to d23eb7380d1594cda31a5dc8487dd2a5c8def8c7 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 2.6.12 is affected
  • unaffected from 0 to 2.6.12 (excl.)
  • unaffected from 5.10.270 to 5.10.* (incl.)
  • unaffected from 5.15.221 to 5.15.* (incl.)
  • unaffected from 6.1.188 to 6.1.* (incl.)
  • unaffected from 6.6.157 to 6.6.* (incl.)
  • unaffected from 6.12.110 to 6.12.* (incl.)
  • unaffected from 6.18.52 to 6.18.* (incl.)
  • unaffected from 7.2.6 to 7.2.* (incl.)
  • unaffected from 7.3-rc1 to * (incl.)

References