CVE-2026-79607

CVSS 5.5 (medium) · published 2026-10-13

During Xenstore live update the state record for a Xenstore watch with specified watch depth is written with two bytes missing. This results in an inconsistent state when reading the state back in the new Xenstore, causing a crash of Xenstore or wrong Xenstore data.

Weakness: CWE-119

Source: NVD CVE-2026-79607

References

• https://xenbits.xenproject.org/xsa/advisory-514.html
• http://www.openwall.com/lists/oss-security/2026/10/13/3
• http://xenbits.xen.org/xsa/advisory-514.html

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