Distribution advisory
This page covers CVE-2025-22839 as tracked by BellSoft, for the package intel-ucode. The fix is available in version 20250812-r0; earlier versions remain affected.
How this vulnerability can be exploited
This issue can be reached from an adjacent network, attack complexity is high, an attacker needs administrative privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability low.
CVSS metrics in full
The score comes from this vector: CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:L
- Attack vector: Adjacent network — the attacker has to sit on the same local or logical network.
- Attack complexity: High — the attacker first has to win a race, learn a secret or otherwise prepare the target.
- Privileges required: High — administrative rights are needed first.
- User interaction: None — nobody has to be tricked into anything.
- Scope: Changed — a successful attack reaches components beyond the vulnerable one.
- Confidentiality impact: High — total loss, or loss the attacker controls.
- Integrity impact: High — total loss, or loss the attacker controls.
- Availability impact: Low — limited, and the attacker does not choose what is affected.
Weakness class
BELL-CVE-2025-22839 is classified as CWE-1220: Insufficient Granularity of Access Control. The product implements access controls via a policy or other feature with the intention to disable or restrict accesses (reads and/or writes) to assets in a system from untrusted agents.
Affected software
BELL-CVE-2025-22839 is recorded against 1 package.
- intel-ucode (from 20230214-r0 up to 20250812-r0)
Timeline and source
Published on 14 August 2025 and last revised on 26 January 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
docs.bell-sw.com (Advisory)
Other advisories for this package
intel-ucode has other advisories on record. If you are patching this one, these are worth checking on the same host:
Same weakness in other software
These advisories are the same class of weakness (CWE-1220: Insufficient Granularity of Access Control) in other software:
