CVE-2020-25668

moderate-risk
Published 2021-05-26

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.

Do I need to act?

-
0.13% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.0/10 High
LOCAL / HIGH complexity

Affected Products (15)

Affected Vendors

Debian Linux Netapp

References (18)

Exploit http://www.openwall.com/lists/oss-security/2020/10/30/1
Exploit http://www.openwall.com/lists/oss-security/2020/11/04/3
https://bugzilla.redhat.com/show_bug.cgi?id=1893287%2C
Mailing List https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90b...
Mailing List https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
Mailing List https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
Third Party Advisory https://security.netapp.com/advisory/ntap-20210702-0005/
https://www.openwall.com/lists/oss-security/2020/10/30/1%2C
https://www.openwall.com/lists/oss-security/2020/11/04/3%2C
Exploit http://www.openwall.com/lists/oss-security/2020/10/30/1
Exploit http://www.openwall.com/lists/oss-security/2020/11/04/3
https://bugzilla.redhat.com/show_bug.cgi?id=1893287%2C
Mailing List https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90b...
Mailing List https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
Mailing List https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
Third Party Advisory https://security.netapp.com/advisory/ntap-20210702-0005/
https://www.openwall.com/lists/oss-security/2020/10/30/1%2C
https://www.openwall.com/lists/oss-security/2020/11/04/3%2C
37
/ 100
moderate-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 18/34 · Moderate