VDB
DEBIAN-CVE-2022-50746
DEBIAN-CVE-2022-50746
PUBLISHED
CVSS 9.300000190734863 CRITICAL
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 4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | linux | *, *, * |
| Debian:12 | linux | 0, 0, 0 |
| Debian:13 | linux | 0, 0, 0 |
| Debian:14 | linux | 0, 0, 0 |
Timeline
- Dec 24, 2025 CVE Published
- Apr 28, 2026 CVE Updated