CVE-2021-4010

high

Description

A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SProcScreenSaverSuspend function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

References

https://lists.x.org/archives/xorg-announce/2021-December/003124.html

https://lists.x.org/archives/xorg-announce/2021-December/003122.html

https://lists.fedoraproject.org/archives/list/[email protected]/message/PDHYZM6FII35JA7J275MFCJO6ADJUPQX/

https://lists.fedoraproject.org/archives/list/[email protected]/message/T57DCF726O5LLTST4NBL5PQ7DLPB46HT/

https://www.zerodayinitiative.com/advisories/ZDI-21-1549/

https://www.debian.org/security/2021/dsa-5027

https://lists.fedoraproject.org/archives/list/[email protected]/message/NKLSZCY47QK4RCJFXITYFALCGPJAFXOK/

https://lists.fedoraproject.org/archives/list/[email protected]/message/NXTRPFEQLFZ6NT2LPLZEID664RGC3OCC/

https://security.netapp.com/advisory/ntap-20220114-0004/

Details

Source: MITRE

Published: 2021-12-17

Updated: 2022-03-30

Type: CWE-119

Risk Information

CVSS v2

Base Score: 7.2

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 3.9

Severity: HIGH

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH