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CVE-2022-49921

net: sched: Fix use after free in red_enqueue()

CVSS 7.8 HIGHEPSS 0.2%CWE-416
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").
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Linux · Linux

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References
https://git.kernel.org/stable/c/170e5317042c302777ed6d59fdb84af9b0219d4ehttps://git.kernel.org/stable/c/52e0429471976785c155bfbf51d80990c6cd46e2https://git.kernel.org/stable/c/5960b9081baca85cc7dcb14aec1de85999ea9d36https://git.kernel.org/stable/c/795afe0b9bb6c915f0299a8e309936519be01619https://git.kernel.org/stable/c/8bdc2acd420c6f3dd1f1c78750ec989f02a1e2b9https://git.kernel.org/stable/c/a238cdcf2bdc72207c74375fc8be13ee549ca9dbhttps://git.kernel.org/stable/c/e877f8fa49fbccc63cb2df2e9179bddc695b825ahttps://git.kernel.org/stable/c/fc4b50adb400ee5ec527a04073174e8e73a139fa