Public bug reported:
We can't use "skb" again after passing it to qdisc_enqueue(). This is
basically identical to commit 2f09707 ("sch_sfb: Also store skb
len before calling child enqueue").
Fixes: d7f4f33 ("sch_red: update backlog as well")
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Affects: linux (Ubuntu Xenial)
Importance: High
Assignee: Cengiz Can (cengizcan)
Status: In Progress
** Package changed: linux-azure (Ubuntu) => linux (Ubuntu)
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Xenial)
Status: New => In Progress
** Changed in: linux (Ubuntu Xenial)
Importance: Undecided => High
** Changed in: linux (Ubuntu Xenial)
Assignee: (unassigned) => Cengiz Can (cengizcan)
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2022-3586
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https://bugs.launchpad.net/bugs/2017013
Title:
net: sched: Fix use after free in red_enqueue()
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Xenial:
In Progress
Bug description:
We can't use "skb" again after passing it to qdisc_enqueue(). This is
basically identical to commit 2f09707 ("sch_sfb: Also store skb
len before calling child enqueue").
Fixes: d7f4f33 ("sch_red: update backlog as well")
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