Description
A flaw was found in Linux Kernel because access to the global variable fg_console is not properly synchronized leading to a use after free in con_font_op.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a Linux Kernel
5.9.2affected
References
- http://www.openwall.com/lists/oss-security/2020/10/30/1 ↗
- http://www.openwall.com/lists/oss-security/2020/11/04/3 ↗
- https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html ↗
- https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html ↗
- https://www.openwall.com/lists/oss-security/2020/11/04/3%2C ↗
- https://www.openwall.com/lists/oss-security/2020/10/30/1%2C ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=1893287%2C ↗
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90bfdeef83f1d6c696039b6a917190dcbbad3220 ↗
- https://security.netapp.com/advisory/ntap-20210702-0005/ ↗