CVE-2023-6377: Xorg-x11-server: out-of-bounds memory reads/writes in xkb button actions
First published: Wed Dec 06 2023(Updated: )
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.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/xorg-server | <21.1.10 | 21.1.10 |
| redhat/xwayland | <23.2.3 | 23.2.3 |
| Redhat Enterprise Linux Eus | =9.2 | |
| Debian Debian Linux | =10.0 | |
| Debian Debian Linux | =11.0 | |
| Debian Debian Linux | =12.0 | |
| All of | ||
| X.Org X Server | <21.1.10 | |
| Any of | ||
| Redhat Enterprise Linux | =6.0 | |
| Redhat Enterprise Linux | =7.0 | |
| Redhat Enterprise Linux | =8.0 | |
| Redhat Enterprise Linux | =9.0 | |
| All of | ||
| X.org Xwayland | <23.2.3 | |
| Any of | ||
| Redhat Enterprise Linux | =8.0 | |
| Redhat Enterprise Linux | =9.0 | |
| All of | ||
| Tigervnc Tigervnc | ||
| Any of | ||
| Redhat Enterprise Linux | =6.0 | |
| Redhat Enterprise Linux | =7.0 | |
| Redhat Enterprise Linux | =8.0 | |
| Redhat Enterprise Linux | =9.0 | |
| debian/xorg-server | 2:1.20.11-1+deb11u13 2:1.20.11-1+deb11u14 2:21.1.7-3+deb12u8 2:21.1.14-2 2:21.1.15-2 | |
| debian/xwayland | <=2:22.1.9-1 | 2:24.1.4-2 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2023/12/13/1
- https://access.redhat.com/errata/RHSA-2023:7886
- https://access.redhat.com/errata/RHSA-2024:0006
- https://access.redhat.com/errata/RHSA-2024:0009
- https://access.redhat.com/errata/RHSA-2024:0010
- https://access.redhat.com/errata/RHSA-2024:0014
- https://access.redhat.com/errata/RHSA-2024:0015
- https://access.redhat.com/errata/RHSA-2024:0016
- https://access.redhat.com/errata/RHSA-2024:0017
- https://access.redhat.com/errata/RHSA-2024:0018
- https://access.redhat.com/errata/RHSA-2024:0020
- https://access.redhat.com/errata/RHSA-2024:2169
- https://access.redhat.com/errata/RHSA-2024:2170
- https://access.redhat.com/errata/RHSA-2024:2995
- https://access.redhat.com/errata/RHSA-2024:2996
- https://access.redhat.com/security/cve/CVE-2023-6377
- https://bugzilla.redhat.com/show_bug.cgi?id=2253291
- https://gitlab.freedesktop.org/xorg/xserver/-/commit/0c1a93d319558fe3ab2d94f51d174b4f93810afd
- https://lists.debian.org/debian-lts-announce/2023/12/msg00008.html
- https://lists.debian.org/debian-lts-announce/2023/12/msg00013.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6R63Z6GIWM3YUNZRCGFODUXLW3GY2HD6/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7PP47YXKM5ETLCYEF6473R3VFCJ6QT2S/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IFHV5KCQ2SVOD4QMCPZ5HC6YL44L7YJD/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LJDFWDB7EQVZA45XDP7L5WRSRWS6RVRR/
- https://lists.x.org/archives/xorg-announce/2023-December/003435.html
- https://security.gentoo.org/glsa/202401-30
- https://security.netapp.com/advisory/ntap-20240125-0003/
- https://www.debian.org/security/2023/dsa-5576
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2254291
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2254292
- https://launchpad.net/bugs/cve/CVE-2023-6377
- https://security-tracker.debian.org/tracker/CVE-2023-6377
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6377
- https://nvd.nist.gov/vuln/detail/CVE-2023-6377
- https://ubuntu.com/security/CVE-2023-6377
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