CVE-2022-49921

Updated: 2025-10-05 01:54:07.856836

Description:

In the Linux kernel, the following vulnerability has been resolved: net: sched: Fix use after free in red_enqueue() We can't use "skb" again after passing it to qdisc_enqueue(). This is basically identical to commit 2f09707d0c97 ("sch_sfb: Also store skb len before calling child enqueue").


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x 0.0
CVSS Version 3.x HIGH 7.8

Status

OS name Project name Version Score Severity Status Errata Last updated

Statement

CentOS 8.4 ELS kernel 4.18.0 7.8 HIGH Released CLSA-2025:1749568993 2025-06-11 00:56:59
CentOS 8.5 ELS kernel 4.18.0 7.8 HIGH Released CLSA-2025:1749562017 2025-06-11 00:56:59
Ubuntu 16.04 ELS linux-hwe 4.15.0 7.8 HIGH Already Fixed 2025-06-13 04:12:03