CVE-2026-79605Patch

LOW

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

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0.5/ 10 priority

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

Patch or workaround signal is available
1 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 1 signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Patch

1100.0%

Referenced assets1 URL

By indicator

https://xenbits.xen.org/xsa/

Full discourse1 post

Venkata Satish Guttula 🛰️@snakeyesV146d
Patch
News: Xen published XSA-509 to 513 at 12:00 UTC. Worst is XSA-513 (CVE-2026-79605/79606): a guest can run code in tapdisk as root in dom0. Also host DoS via PCI passthrough and oxenstored. Apply vendor Xen/XAPI patches now. https://xenbits.xen.org/xsa/
Post summary
Xen published XSA‑509‑513, with XSA‑513 (CVE-2026-79605/79606) permitting a guest to run root code in tapdisk in dom0 and causing host DoS via PCI passthrough and oxenstored. Users are urged to immediately apply Xen/XAPI patches.
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