CVE-2026-43166
Description
A flaw was found in the Linux kernel's erofs filesystem. This vulnerability allows an attacker to trigger an out-of-bounds (OOB) read by providing a specially crafted compressed image. The flaw occurs due to incorrect identification of interlaced plain extents when their start position or on-disk physical length is not aligned to the block size. A successful exploit could lead to information disclosure or a denial of service.
Understanding the Weakness (CWE)
Other,Integrity,Availability
Technical Impact: Varies by Context; DoS: Resource Consumption (CPU); Modify Memory; Read Memory
When the quantity is not properly validated, then attackers can specify malicious quantities to cause excessive resource allocation, trigger unexpected failures, enable buffer overflows, etc.
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