Security Advisory

CVE-2022-49191

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-02-26 01:55:38

Last updated 2026-05-11 18:54:53

Assigner Linux

State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: mxser: fix xmit_buf leak in activate when LSR == 0xff When LSR is 0xff in ->activate() (rather unlike), we return an error. Provided ->shutdown() is not called when ->activate() fails, nothing actually frees the buffer in this case. Fix this by properly freeing the buffer in a designated label. We jump there also from the "!info->type" if now too.

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