Xorg-x11-server: out-of-bounds memory reads/writes in xkb button actions (Red Hat Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION)

CVE-2023-6377

HIGH 7.8

En bref

Source: NVD
EPSS: EPSS 1.57 % · centile 75 (2026-10-29)
État: PUBLISHED
Publiée: 2023-12-13 06:27 UTC
Mise à jour: 2026-06-23 17:19 UTC
Attribuée par: redhat
Statut NVD: Modified

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Description

A flaw was found in xorg-server. Querying or changing XKB button actions such as moving from a touchpad to a mouse can result in out-of-bounds memory reads and writes. This may allow local privilege escalation or possible remote code execution in cases where X11 forwarding is involved.

Faiblesses (CWE)

CWE-125 — Lecture hors limites

Références

Scores

Version	Score	Vecteur	Évalué par
CVSS 3.1	HIGH 7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	redhat
CVSS 3.1	HIGH 7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	NVD · secalert@redhat.com (Secondary)
CVSS 3.1	HIGH 7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	NVD · nvd@nist.gov (Primary)

Références européennes

ENISA EUVD · EUVD-2023-58618
GCVE · GCVE-0-2023-6377

Configurations affectées (CPE NVD)

cpe:2.3:o:redhat:enterprise_linux_eus:9.2:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:* < 21.1.10
cpe:2.3:a:x.org:xwayland:*:*:*:*:*:*:*:* < 23.2.3
cpe:2.3:a:tigervnc:tigervnc:-:*:*:*:*:*:*:*

Produits affectés

Produit	Versions
Red Hat · Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION	unaffected 0:1.1.0-25.el6_10.14 < *
Red Hat · Red Hat Enterprise Linux 7	unaffected 0:1.8.0-28.el7_9 < *
Red Hat · Red Hat Enterprise Linux 7	unaffected 0:1.20.4-25.el7_9 < *
Red Hat · Red Hat Enterprise Linux 8	unaffected 0:1.13.1-2.el8_9.4 < *
Red Hat · Red Hat Enterprise Linux 8	unaffected 0:1.20.11-22.el8 < *
Red Hat · Red Hat Enterprise Linux 8	unaffected 0:21.1.3-15.el8 < *
Red Hat · Red Hat Enterprise Linux 8.2 Advanced Update Support	unaffected 0:1.9.0-15.el8_2.6 < *
Red Hat · Red Hat Enterprise Linux 8.2 Telecommunications Update Service	unaffected 0:1.9.0-15.el8_2.6 < *
Red Hat · Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions	unaffected 0:1.9.0-15.el8_2.6 < *
Red Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support	unaffected 0:1.11.0-8.el8_4.5 < *
Red Hat · Red Hat Enterprise Linux 8.4 Telecommunications Update Service	unaffected 0:1.11.0-8.el8_4.5 < *
Red Hat · Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions	unaffected 0:1.11.0-8.el8_4.5 < *
Red Hat · Red Hat Enterprise Linux 8.6 Extended Update Support	unaffected 0:1.12.0-6.el8_6.6 < *
Red Hat · Red Hat Enterprise Linux 8.8 Extended Update Support	unaffected 0:1.12.0-15.el8_8.4 < *
Red Hat · Red Hat Enterprise Linux 9	unaffected 0:1.13.1-3.el9_3.3 < *
Red Hat · Red Hat Enterprise Linux 9	unaffected 0:1.20.11-24.el9 < *
Red Hat · Red Hat Enterprise Linux 9	unaffected 0:22.1.9-5.el9 < *
Red Hat · Red Hat Enterprise Linux 9.0 Extended Update Support	unaffected 0:1.11.0-22.el9_0.5 < *
Red Hat · Red Hat Enterprise Linux 9.2 Extended Update Support	unaffected 0:1.12.0-14.el9_2.2 < *
Red Hat · Red Hat Enterprise Linux 6

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD

⚠️ Xorg-x11-server: out-of-bounds memory reads/writes in xkb button actions (Red Hat Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION)