group.of.nepali.translators team mailing list archive

[Cengiz Can <2017013@xxxxxxxxxxxxxxxxxx>]

** Changed in: linux-oem-5.17 (Ubuntu)
       Status: In Progress => Fix Committed

** Changed in: linux-oem-5.17 (Ubuntu)
       Status: Fix Committed => Fix Released

** Changed in: linux (Ubuntu Xenial)
       Status: Fix Committed => Fix Released

** Changed in: linux (Ubuntu)
       Status: Fix Committed => Fix Released

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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:
  Fix Released
Status in linux-oem-5.14 package in Ubuntu:
  Won't Fix
Status in linux-oem-5.17 package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  Fix Released

Bug description:
  [Impact]
  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")

  [Fix]
  Cherry picked from upstream.

  [Test case]
  Compile, boot and basic network functionality tested using ntop.

  [Potential regression]
  Low. This has been in multiple trees for a while now.

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