CVE-2022-50746
erofs: validate the extent length for uncompressed pclusters
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Dec 24, 2025 |
| Last Updated | May 11, 2026 |
Stay Ahead of the Next One
Get instant alerts for linux linux
Be the first to know when new unknown vulnerabilities affecting linux linux are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
Linux / Linux
02827e1796b33f1794966f5c3101f8da2dfa9c1d < dc8b6bd587b13b85aff6e9d36cdfcd3f955cac9e 02827e1796b33f1794966f5c3101f8da2dfa9c1d < 40c73b2ea9611b5388807be406f30f5e4e1162da 02827e1796b33f1794966f5c3101f8da2dfa9c1d < c505feba4c0d76084e56ec498ce819f02a7043ae
Linux / Linux
4.19