CVEvulnerability

CVE-2022-49921

7.8 HIGH Published 2025-05-01 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2025-05-01
Last modified
2026-06-17
Assigner
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-416

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").

Affected configurations

• linux linux kernel (>= 4.4.163 < 4.5) • linux linux kernel (>= 4.7 < 4.9.333) • linux linux kernel (>= 4.10 < 4.14.299) • linux linux kernel (>= 4.15 < 4.19.265) • linux linux kernel (>= 4.20 < 5.4.224) • linux linux kernel (>= 5.5 < 5.10.154) • linux linux kernel (>= 5.11 < 5.15.78) • linux linux kernel (>= 5.16 < 6.0.8) • linux linux kernel 6.1

Related

Weakness · CWE (1)

References