CVE-2021-20321 - log back

CVE-2021-20321 edited at 13 Oct 2021 08:59:34
Severity
- Unknown
+ Medium
Remote
- Unknown
+ Local
Type
- Unknown
+ Privilege escalation
Description
+ An attacker with a low-privileged user on a Linux machine before kernel version 5.14.12 with an overlay mount can escalate his privileges up to root when performing rename in specific way with this overlayfs.
References
+ https://bugzilla.redhat.com/show_bug.cgi?id=2013242
+ https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.14.12&id=71b8b36187af58f9e67b25021f5debbc04a18a5d
+ https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.73&id=9763ffd4da217adfcbdcd519e9f434dfa3952fc3
CVE-2021-20321 created at 13 Oct 2021 08:56:19
Severity
+ Unknown
Remote
+ Unknown
Type
+ Unknown
Description
References
Notes