CVE-2023-5380
What it is
A use-after-free flaw was found in the xorg-x11-server. An X server crash may occur in a very specific and legacy configuration (a multi-screen setup with multiple protocol screens, also known as Zaphod mode) if the pointer is warped from within a window on one screen to the root window of the other screen and if the original window is destroyed followed by another window being destroyed.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.
- Exploit odds
- 0.7% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.7% in the next 30 days (EPSS).
- Severity: 4.7 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.7% · EPSS, next 30 days
- Weakness
- CWE-416 · Use after free
- Record status
- Modified
Affected
- x.org X Server < 21.1.9
- x.org Xwayland < 23.2.2
- Redhat Enterprise Linux 7.0
- Redhat Enterprise Linux 8.0
- Redhat Enterprise Linux 9.0
- Fedoraproject Fedora 37
- Fedoraproject Fedora 38
- Fedoraproject Fedora 39
Attack profile CVSS 3.1 · 4.7
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2023-5380.md and follow it. Check whether this project is affected by CVE-2023-5380. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://lists.x.org/archives/xorg-announce/2023-October/003430.html
- https://lists.x.org/archives/xorg-announce/2023-October/003430.html
References
- https://access.redhat.com/errata/RHSA-2023:7428
- https://access.redhat.com/errata/RHSA-2024:2169
- https://access.redhat.com/errata/RHSA-2024:2298
- https://access.redhat.com/errata/RHSA-2024:2995
- https://access.redhat.com/errata/RHSA-2024:3067
- https://access.redhat.com/security/cve/CVE-2023-5380
- https://bugzilla.redhat.com/show_bug.cgi?id=2244736
- https://lists.x.org/archives/xorg-announce/2023-October/003430.html
- https://access.redhat.com/errata/RHSA-2023:7428
- https://access.redhat.com/errata/RHSA-2024:2169
- https://access.redhat.com/errata/RHSA-2024:2298
- https://access.redhat.com/errata/RHSA-2024:2995
- https://access.redhat.com/errata/RHSA-2024:3067
- https://access.redhat.com/security/cve/CVE-2023-5380
- https://bugzilla.redhat.com/show_bug.cgi?id=2244736
- https://lists.debian.org/debian-lts-announce/2023/10/msg00036.html
- https://lists.fedoraproject.org/archives/list/[email protected]/message/2WS5E7H4A5J3U5YBCTMRPQVGWK5LVH7D/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/3RK66CXMXO3PCPDU3GDY5FK4UYHUXQJT/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/AKKIE626TZOOPD533EYN47J4RFNHZVOP/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/HO2Q2NP6R62ZRQQG3XQ4AXUT7J2EKKKY/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/SN6KV4XGQJRVAOSM5C3CWMVAXO53COIP/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/TJXNI4BXURC2BKPNAHFJK3C5ZETB7PER/
- https://lists.x.org/archives/xorg-announce/2023-October/003430.html
- https://security.gentoo.org/glsa/202401-30
- https://security.netapp.com/advisory/ntap-20231130-0004/