VDB

DEBIAN-CVE-2022-50746

DEBIAN-CVE-2022-50746 PUBLISHED CVSS 8.399999618530273 HIGH

In the Linux kernel, the following vulnerability has been resolved: erofs: validate the extent length for uncompressed pclusters syzkaller reported a KASAN use-after-free: https://syzkaller.appspot.com/bug?extid=2ae90e873e97f1faf6f2 The referenced fuzzed image actually has two issues: - m_pa == 0 as a non-inlined pcluster; - The logical length is longer than its physical length. The first issue has already been addressed. This patch addresses the second issue by checking the extent length validity.

Risk Scores

CVSS 3.1
8.399999618530273
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products

VendorProductVersions
Debian:12linux0
Debian:13linux0
Debian:14linux0

Timeline

  • Dec 24, 2025 CVE Published
  • Oct 16, 2026 CVE Updated
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