CVEvulnerability
CVE-2021-3472
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-04-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-191
Description
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.
Affected configurations
• x.org x server (< 1.20.11)
• fedoraproject fedora 32
• fedoraproject fedora 33
• fedoraproject fedora 34
• debian debian linux 9.0
• debian debian linux 10.0
• redhat enterprise linux 7.0
• redhat enterprise linux 8.0
Related
Weakness · CWE (1)
- CWE-191 Integer Underflow (Wrap or Wraparound) weakness
References
- http://www.openwall.com/lists/oss-security/2021/04/13/1 Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1944167 Issue Tracking, Patch, Third Party Advisory
- https://gitlab.freedesktop.org/xorg/xserver/-/commit/7aaf54a1884f71dc363f0b884e57bcb67407a6cd Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00013.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MDF7TAJE7NPZPNVOXSD5HBIFLNPUOD2V/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MO6S5OPXUDYBSRSVWVLFLJ6AFERG4HNY/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N63KL3T22HNFT4FJ7VMVF6U5Q4RFJIQF/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEXPCLMVU25AUZTUXC4MYBGPKOAIM5TW/ lists.fedoraproject.org
- https://lists.x.org/archives/xorg-announce/2021-April/003080.html Mailing List, Patch, Vendor Advisory
- https://lists.x.org/archives/xorg-announce/2021-April/003080.html Mailing List, Patch, Vendor Advisory
- https://lists.x.org/archives/xorg-announce/2021-April/003080.html Mailing List, Patch, Vendor Advisory
- https://lists.x.org/archives/xorg-announce/2021-April/003080.html Mailing List, Patch, Vendor Advisory
- https://seclists.org/oss-sec/2021/q2/20 Mailing List, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202104-02 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4893 Third Party Advisory
- https://www.tenable.com/plugins/nessus/148701 Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-463/ Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2021/04/13/1 Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1944167 Issue Tracking, Patch, Third Party Advisory
- https://gitlab.freedesktop.org/xorg/xserver/-/commit/7aaf54a1884f71dc363f0b884e57bcb67407a6cd Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00013.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MDF7TAJE7NPZPNVOXSD5HBIFLNPUOD2V/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MO6S5OPXUDYBSRSVWVLFLJ6AFERG4HNY/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N63KL3T22HNFT4FJ7VMVF6U5Q4RFJIQF/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEXPCLMVU25AUZTUXC4MYBGPKOAIM5TW/ lists.fedoraproject.org
- https://lists.x.org/archives/xorg-announce/2021-April/003080.html Mailing List, Patch, Vendor Advisory
- https://lists.x.org/archives/xorg-announce/2021-April/003080.html Mailing List, Patch, Vendor Advisory
- https://lists.x.org/archives/xorg-announce/2021-April/003080.html Mailing List, Patch, Vendor Advisory
- https://lists.x.org/archives/xorg-announce/2021-April/003080.html Mailing List, Patch, Vendor Advisory
- https://seclists.org/oss-sec/2021/q2/20 Mailing List, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202104-02 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4893 Third Party Advisory
- https://www.tenable.com/plugins/nessus/148701 Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-463/ Third Party Advisory, VDB Entry