Gentoo: 202301-05 Critical: Linux Kernel Unauthorized Access Vulnerability
gentoo
December 6, 2020
Multiple vulnerabilities have been found in X.org X Server, the worst of which could lead to privilege escalation.
Summary
Multiple vulnerabilities have been discovered in X.org X Server. Please review the CVE identifiers referenced below for details.
Resolution
All X.org X Server users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=11-base/xorg-server-1.20.10"
References
[ 1 ] CVE-2020-14345 https://nvd.nist.gov/vuln/detail/CVE-2020-14345 [ 2 ] CVE-2020-14346 https://nvd.nist.gov/vuln/detail/CVE-2020-14346 [ 3 ] CVE-2020-14347 https://nvd.nist.gov/vuln/detail/CVE-2020-14347 [ 4 ] CVE-2020-14360 https://nvd.nist.gov/vuln/detail/CVE-2020-14360 [ 5 ] CVE-2020-14361 https://nvd.nist.gov/vuln/detail/CVE-2020-14361 [ 6 ] CVE-2020-14362 https://nvd.nist.gov/vuln/detail/CVE-2020-14362 [ 7 ] CVE-2020-25712 https://nvd.nist.gov/vuln/detail/CVE-2020-25712 [ 8 ] Upstream advisory (2020-07-31) https://lists.x.org/archives/xorg-announce/2020-July/003051.html [ 9 ] Upstream advisory (2020-08-25) https://lists.x.org/archives/xorg-announce/2020-August/003058.html [ 10 ] Upstream advisory (2020-12-01) https://lists.x.org/archives/xorg-announce/2020-December/003066.html
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202012-01
style>.gentoo_availability{display:block;}
Concerns
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
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Severity
critical
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Critical
Severity: Normal
Title: X.Org X Server: Multiple vulnerabilities
Date: December 07, 2020
Bugs: #734976, #757882
ID: 202012-01
Background
The X Window System is a graphical windowing system based on a
client/server model.
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Affected Packages
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Package / Vulnerable / Unaffected
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1 x11-base/xorg-server < 1.20.10 >= 1.20.10
Impact
=====
Please review the referenced CVE identifiers for details.
Workaround
A local attacker could escalate privileges.
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