CVE-2026-79604: Xen Security Advisory 512 v3 (CVE-2026-79604) - oxenstod: Unbounded accumulation of watches

Published Sep 8, 2026

Updated

Affected Software

2 affected componentsFixes available

Xen Security Advisory 512 v3

debian/xen<=4.17.5+72-g01140da4e8-1, <=4.17.7-0+deb12u1, <=4.20.3+127-gc42374a105-0+deb13u1

4.20.4+39-gf1e1321c87-0+deb13u14.20.4+39-gf1e1321c87-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade debian/xen to a version that resolves this vulnerability.
Fixed in 4.20.4+39-gf1e1321c87-0+deb13u1Fixed in 4.20.4+39-gf1e1321c87-1

Parent advisories

This vulnerability appears in the following advisories.

DSA-6571

Company

Resources

Contact

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