CVE-2022-49921
net: sched: Fix use after free in red_enqueue()
Summary
net: sched: Fix use after free in red_enqueue()
Original description
The description as published by the source.
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").
Affected packages
Linux
Kernel
[{"type":"ECOSYSTEM","events":[{"introduced":"4.7.0"},{"fixed":"4.9.333"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.10.0"},{"fixed":"4.14.299"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.15.0"},{"fixed":"4.19.265"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.20.0"},{"fixed":"5.4.224"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.154"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.78"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.0.8"}]}]
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2022-49921 linux Fixed in: 5.10.158-1
- Ubuntu UBUNTU-CVE-2022-49921 linux-aws Fixed in: 4.4.0-1118.124
References
- advisory github.com
- advisory nvd.nist.gov
- package git.kernel.org
- web git.kernel.org
- web git.kernel.org
- web git.kernel.org
- web git.kernel.org
- web git.kernel.org
- web git.kernel.org
- web git.kernel.org
- web git.kernel.org