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CVE-2022-49921 Detail

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").


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/170e5317042c302777ed6d59fdb84af9b0219d4e kernel.org Patch 
https://git.kernel.org/stable/c/52e0429471976785c155bfbf51d80990c6cd46e2 kernel.org Patch 
https://git.kernel.org/stable/c/5960b9081baca85cc7dcb14aec1de85999ea9d36 kernel.org Patch 
https://git.kernel.org/stable/c/795afe0b9bb6c915f0299a8e309936519be01619 kernel.org Patch 
https://git.kernel.org/stable/c/8bdc2acd420c6f3dd1f1c78750ec989f02a1e2b9 kernel.org Patch 
https://git.kernel.org/stable/c/a238cdcf2bdc72207c74375fc8be13ee549ca9db kernel.org Patch 
https://git.kernel.org/stable/c/e877f8fa49fbccc63cb2df2e9179bddc695b825a kernel.org Patch 
https://git.kernel.org/stable/c/fc4b50adb400ee5ec527a04073174e8e73a139fa kernel.org Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free cwe source acceptance level NIST  

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-49921
NVD Published Date:
05/01/2025
NVD Last Modified:
05/07/2025
Source:
kernel.org