CVE-2025-26600: Xorg: xwayland: use-after-free in playreleasedevents()
First published: Wed Feb 12 2025(Updated: )
A use-after-free flaw was found in X.Org and Xwayland. When a device is removed while still frozen, the events queued for that device remain while the device is freed. Replaying the events will cause a use-after-free.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Red Hat Xorg-x11-server-xwayland | ||
| debian/xorg-server | <=2:1.20.11-1+deb11u13<=2:21.1.7-3+deb12u8<=2:21.1.15-3 | 2:1.20.11-1+deb11u15 2:21.1.7-3+deb12u9 2:21.1.16-1 |
| debian/xwayland | <=2:22.1.9-1<=2:24.1.5-1 | 2:24.1.6-1 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=2345252
- https://access.redhat.com/security/cve/CVE-2025-26600
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-26600
- https://nvd.nist.gov/vuln/detail/CVE-2025-26600
- https://launchpad.net/bugs/cve/CVE-2025-26600
- https://security-tracker.debian.org/tracker/CVE-2025-26600
- https://ubuntu.com/security/CVE-2025-26600
- https://lists.x.org/archives/xorg-announce/2025-February/003584.html
- https://gitlab.freedesktop.org/xorg/xserver/-/commit/6e0f332ba4c8b8c9a9945dc9d7989bfe06f80e14
Frequently Asked Questions
What is the severity of CVE-2025-26600?
CVE-2025-26600 is classified as a high-severity vulnerability due to the potential for use-after-free exploitation.
How do I fix CVE-2025-26600?
To remediate CVE-2025-26600, update the affected X.Org and Xwayland packages to their latest versions as specified by your distribution.
What are the affected versions for CVE-2025-26600?
CVE-2025-26600 affects specific versions of X.Org Xwayland, including versions prior to the latest security patches.
What software is impacted by CVE-2025-26600?
CVE-2025-26600 specifically impacts X.Org and Xwayland components used on various Linux distributions.
Is there a workaround for CVE-2025-26600?
Currently, there are no known workarounds for CVE-2025-26600; updates are recommended to mitigate the vulnerability.
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