GoogleOSV:CVE-2021-3472CVE-2021-3472
A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
References
www.openwall.com/lists/oss-security/2021/04/13/1
bugzilla.redhat.com/show_bug.cgi?id=1944167
gitlab.freedesktop.org/xorg/xserver/-/commit/7aaf54a1884f71dc363f0b884e57bcb67407a6cd
lists.debian.org/debian-lts-announce/2021/04/msg00013.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MDF7TAJE7NPZPNVOXSD5HBIFLNPUOD2V/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MO6S5OPXUDYBSRSVWVLFLJ6AFERG4HNY/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N63KL3T22HNFT4FJ7VMVF6U5Q4RFJIQF/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEXPCLMVU25AUZTUXC4MYBGPKOAIM5TW/
lists.x.org/archives/xorg-announce/2021-April/003080.html
seclists.org/oss-sec/2021/q2/20
security.gentoo.org/glsa/202104-02
www.debian.org/security/2021/dsa-4893
www.tenable.com/plugins/nessus/148701
www.zerodayinitiative.com/advisories/ZDI-21-463/
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