CVE-2023-52435

CVSS 3.1 Score 5.5 of 10 (medium)

Details

Published Feb 20, 2024
Updated: Jun 25, 2024
CWE ID 119

Summary

CVE-2023-52435 is a vulnerability affecting the Linux kernel that allows for a crash in the `skb_segment()` function. The issue stems from a potential mss (Maximum Segment Size) overflow, which can be triggered when the computation in `skb_segment()` results in a value larger than GSO_BY_FRAGS. This can cause a null-pointer dereference and system crash. The vulnerability was discovered during a Google Compute Engine instance's execution of syzkaller, a source code fuzzer. The affected component is the networking subsystem, and the issue is resolved in version 6.7.0-rc4 of the kernel.

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