Description

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.

INFO

Published Date :

2025-12-24T13:05:42.628Z

Last Modified :

2025-12-24T13:05:42.628Z

Source :

Linux
AFFECTED PRODUCTS

The following products are affected by CVE-2022-50746 vulnerability.

Vendors Products
Linux
  • Linux Kernel
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2022-50746.

URL Resource
https://git.kernel.org/stable/c/40c73b2ea9611b5388807be406f30f5e4e1162da cve-icon cve-icon
https://git.kernel.org/stable/c/c505feba4c0d76084e56ec498ce819f02a7043ae cve-icon cve-icon
https://git.kernel.org/stable/c/dc8b6bd587b13b85aff6e9d36cdfcd3f955cac9e cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025122450-CVE-2022-50746-7cbf@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2022-50746 cve-icon
https://www.cve.org/CVERecord?id=CVE-2022-50746 cve-icon
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