CVE-2026-93055

UDF symlink pathComponent header OOB read

State: Published
Severity: Not scored
Published: Sep 17, 2026
Updated: Oct 19, 2026
Reserved: Sep 17, 2026

Description

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before d9f49c8b55debf1512f912077b6c759cc8b6d2e0Affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 48b2a74317e15f93983c74a5a07245bc94a00d39Affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before f44f5f795f1a56249821a05183347ea025855e31Affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 57371e743398e0d485f0f7beede1ade41f812324Affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before ee264227b656218bc1b257d8e4f83467f5f17723Affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 8da8fd3df9fc14cf79ca3a3978d27ba067985111Affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before b21cb958292ee1e02eb305ff9de09f2f7edd551aAffected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before d23eb7380d1594cda31a5dc8487dd2a5c8def8c7Affected
LinuxLinux	2.6.12Affected before 2.6.12Not affected 5.10.270 through 5.10.Not affected 5.15.221 through 5.15.Not affected 6.1.188 through 6.1.Not affected 6.6.157 through 6.6.Not affected 6.12.110 through 6.12.Not affected 6.18.52 through 6.18.Not affected 7.2.6 through 7.2.*Not affected 7.3 and laterNot affected

Product

Versions

LinuxLinux

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before d9f49c8b55debf1512f912077b6c759cc8b6d2e0Affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 48b2a74317e15f93983c74a5a07245bc94a00d39Affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before f44f5f795f1a56249821a05183347ea025855e31Affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 57371e743398e0d485f0f7beede1ade41f812324Affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before ee264227b656218bc1b257d8e4f83467f5f17723Affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 8da8fd3df9fc14cf79ca3a3978d27ba067985111Affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before b21cb958292ee1e02eb305ff9de09f2f7edd551aAffected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before d23eb7380d1594cda31a5dc8487dd2a5c8def8c7Affected

LinuxLinux

2.6.12Affected
before 2.6.12Not affected
5.10.270 through 5.10.*Not affected
5.15.221 through 5.15.*Not affected
6.1.188 through 6.1.*Not affected
6.6.157 through 6.6.*Not affected
6.12.110 through 6.12.*Not affected
6.18.52 through 6.18.*Not affected
7.2.6 through 7.2.*Not affected
7.3 and laterNot affected

References

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