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CVE-2026-53369

גבוהה 8.4

תיאור (מקור, אנגלית)

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.

מדדים

CVSS 3.1
8.4 (HIGH) מקור הציון: CNA CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS — סבירות ניצול
0% (אחוזון 000) נכון ל-3/8/2026

מוצרים מושפעים

linux: linux kernel

קישורים