CVE-2022-49921

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").

Reserved 2025-05-01 | Published 2025-05-01 | Updated 2025-05-04 | Assigner Linux

Product status

Default status
unaffected

d7f4f332f082c4d4ba53582f902ed6b44fd6f45e before 795afe0b9bb6c915f0299a8e309936519be01619
affected

d7f4f332f082c4d4ba53582f902ed6b44fd6f45e before a238cdcf2bdc72207c74375fc8be13ee549ca9db
affected

d7f4f332f082c4d4ba53582f902ed6b44fd6f45e before e877f8fa49fbccc63cb2df2e9179bddc695b825a
affected

d7f4f332f082c4d4ba53582f902ed6b44fd6f45e before 52e0429471976785c155bfbf51d80990c6cd46e2
affected

d7f4f332f082c4d4ba53582f902ed6b44fd6f45e before 5960b9081baca85cc7dcb14aec1de85999ea9d36
affected

d7f4f332f082c4d4ba53582f902ed6b44fd6f45e before fc4b50adb400ee5ec527a04073174e8e73a139fa
affected

d7f4f332f082c4d4ba53582f902ed6b44fd6f45e before 170e5317042c302777ed6d59fdb84af9b0219d4e
affected

d7f4f332f082c4d4ba53582f902ed6b44fd6f45e before 8bdc2acd420c6f3dd1f1c78750ec989f02a1e2b9
affected

ab0b3b9dbf559a5633d460e748144697bd2d3aa3
affected

Default status
affected

4.7
affected

Any version before 4.7
unaffected

4.9.333
unaffected

4.14.299
unaffected

4.19.265
unaffected

5.4.224
unaffected

5.10.154
unaffected

5.15.78
unaffected

6.0.8
unaffected

6.1
unaffected

References

git.kernel.org/...c/795afe0b9bb6c915f0299a8e309936519be01619

git.kernel.org/...c/a238cdcf2bdc72207c74375fc8be13ee549ca9db

git.kernel.org/...c/e877f8fa49fbccc63cb2df2e9179bddc695b825a

git.kernel.org/...c/52e0429471976785c155bfbf51d80990c6cd46e2

git.kernel.org/...c/5960b9081baca85cc7dcb14aec1de85999ea9d36

git.kernel.org/...c/fc4b50adb400ee5ec527a04073174e8e73a139fa

git.kernel.org/...c/170e5317042c302777ed6d59fdb84af9b0219d4e

git.kernel.org/...c/8bdc2acd420c6f3dd1f1c78750ec989f02a1e2b9

cve.org (CVE-2022-49921)

nvd.nist.gov (CVE-2022-49921)

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