CVE-2020-28974

Name
CVE-2020-28974
Description
A slab-out-of-bounds read in fbcon in the Linux kernel before 5.9.7 could be used by local attackers to read privileged information or potentially crash the kernel, aka CID-3c4e0dff2095. This occurs because KD_FONT_OP_COPY in drivers/tty/vt/vt.c can be used for manipulations such as font height.
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Exploit https://seclists.org/oss-sec/2020/q4/104
Release Notes https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.7
Patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3c4e0dff2095c579b142d5a0693257f1c58b4804
Mailing List http://www.openwall.com/lists/oss-security/2020/11/25/1
Third Party Advisory https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
Third Party Advisory https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
Third Party Advisory https://security.netapp.com/advisory/ntap-20210108-0003/

Match rules

CPE URI Source package Min version Max version
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* linux_kernel >= None < 5.9.7

Vulnerable and fixed packages

Source package Branch Version Maintainer Status