🛡️ AZL-26872 — hyperv-daemons (CVE-2023-21102)

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

• Attack vector: Local — a local account, shell or session on the host is needed.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: Low — an ordinary user account is enough.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: High — total loss, or loss the attacker controls.
• Integrity impact: High — total loss, or loss the attacker controls.
• Availability impact: High — total loss, or loss the attacker controls.

Affected software

AZL-26872 is recorded against 1 package.

• hyperv-daemons (fixed in 5.15.118.1-1)

Timeline and source

Published on 15 May 2023 and last revised on 21 April 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Web)

Other advisories for this package

hyperv-daemons has other advisories on record. If you are patching this one, these are worth checking on the same host:

• AZL-79353 (published 2 Mar 2026)
• AZL-79385 (published 2 Mar 2026)
• AZL-79382 (published 2 Mar 2026)
• AZL-79356 (published 2 Mar 2026)
• CGA-3m96-cwq8-6xmx (published 7 Jan 2026)
• CGA-9p62-x2f6-7rmw (published 7 Jan 2026)
• CGA-mmpc-6qgc-qpqh (published 7 Jan 2026)
• CGA-wx2w-7gqg-c45f (published 7 Jan 2026)

Details

Affected Packages

References