CVE-2026-53369
Description
In the Linux kernel, the following vulnerability has been resolved:
udf: reject descriptors with oversized CRC length
udf_read_tagged() skips CRC verification when descCRCLength +
sizeof(struct tag) exceeds the block size. A crafted UDF image can
set descCRCLength to an oversized value to bypass CRC validation
entirely; the descriptor is then accepted based solely on the 8-bit
tag checksum, which is trivially recomputable.
Reject such descriptors instead of silently accepting them. A
legitimate single-block descriptor should never have a CRC length that
exceeds the block.
Metadata
Severity & Metrics
No CVSS data available.
Affected products (2)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| Linux | Linux | — | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 832ab4a882dc9b3c0155490d9993642ef545fd22, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7d1b6adbf90df6c8941090d5646fbeca25ba9770, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 3dede76d525919bb966f9213e131af685de5ff99, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 50dfaf4a027742b4fcdc3e9305e7199ece9bc6a6 … |
| Linux | Linux | — | 2.6.12, 0 < 2.6.12, 5.10.258 ≤ 5.10.*, 5.15.209 ≤ 5.15.* … |
References (8)
- https://git.kernel.org/stable/c/832ab4a882dc9b3c0155490d9993642ef545fd22
- https://git.kernel.org/stable/c/7d1b6adbf90df6c8941090d5646fbeca25ba9770
- https://git.kernel.org/stable/c/3dede76d525919bb966f9213e131af685de5ff99
- https://git.kernel.org/stable/c/50dfaf4a027742b4fcdc3e9305e7199ece9bc6a6
- https://git.kernel.org/stable/c/31605bbe94557bff721eaf041001169d44ac6f98
- https://git.kernel.org/stable/c/1873eb81c65d3f849418d7386baa39c439c9fc38
- https://git.kernel.org/stable/c/fdb26e628d2a211a23815d375bd33bdf863344e2
- https://git.kernel.org/stable/c/55d41b0a20128e86b9e960dd2e3f0a2d69a18df7