[Git][security-tracker-team/security-tracker][master] Add CVE-2026-23553/xen

Salvatore Bonaccorso (@carnil) carnil at debian.org
Tue Jan 27 13:50:08 GMT 2026



Salvatore Bonaccorso pushed to branch master at Debian Security Tracker / security-tracker


Commits:
03592ab4 by Salvatore Bonaccorso at 2026-01-27T14:21:30+01:00
Add CVE-2026-23553/xen

- - - - -


1 changed file:

- data/CVE/list


Changes:

=====================================
data/CVE/list
=====================================
@@ -74080,6 +74080,10 @@ CVE-2025-23970 (Incorrect Privilege Assignment vulnerability in aonetheme Servic
 	NOT-FOR-US: WordPress plugin
 CVE-2024-9453 (A vulnerability was found in Red Hat OpenShift Jenkins. The bearer tok ...)
 	NOT-FOR-US: Red Hat OpenShift Jenkins
+CVE-2026-23553 [x86: incomplete IBPB for vCPU isolation]
+	- xen <unfixed>
+	[bullseye] - xen <end-of-life> (EOLed in Bullseye)
+	NOTE: https://xenbits.xen.org/xsa/advisory-479.html
 CVE-2025-58151 [varstored: TOCTOU issues with mapped guest memory]
 	- xen-api <removed>
 	NOTE: https://xenbits.xen.org/xsa/advisory-478.html



View it on GitLab: https://salsa.debian.org/security-tracker-team/security-tracker/-/commit/03592ab4b16a7931c0b9b602ddb99400e134a53a

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View it on GitLab: https://salsa.debian.org/security-tracker-team/security-tracker/-/commit/03592ab4b16a7931c0b9b602ddb99400e134a53a
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