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CVE-2022-49921

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CVE-2022-49921

Published: May 1, 2025

Modified: May 23, 2026

PUBLISHED

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").

VendorProductVersions

Linux

Linux

affected
d7f4f332f082c4d4ba53582f902ed6b44fd6f45e - < 795afe0b9bb6c915f0299a8e309936519be01619
affected
d7f4f332f082c4d4ba53582f902ed6b44fd6f45e - < a238cdcf2bdc72207c74375fc8be13ee549ca9db
affected
d7f4f332f082c4d4ba53582f902ed6b44fd6f45e - < e877f8fa49fbccc63cb2df2e9179bddc695b825a
affected
d7f4f332f082c4d4ba53582f902ed6b44fd6f45e - < 52e0429471976785c155bfbf51d80990c6cd46e2
affected
d7f4f332f082c4d4ba53582f902ed6b44fd6f45e - < 5960b9081baca85cc7dcb14aec1de85999ea9d36

+5 more versions

Linux

Linux

affected
4.7
unaffected
0 - < 4.7
unaffected
4.9.333 - <= 4.9.*
unaffected
4.14.299 - <= 4.14.*
unaffected
4.19.265 - <= 4.19.*

+5 more versions

References

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