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🛡️ CVE-2023-46103 on BellSoft — intel-ucode

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Distribution advisory

This page covers CVE-2023-46103 as tracked by BellSoft, for the package intel-ucode. The fix is available in version 20240514-r0; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is high, 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 none, integrity none, availability high.

CVSS metrics in full

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

  • Attack vector: Local — a local account, shell or session on the host is needed.
  • Attack complexity: High — the attacker first has to win a race, learn a secret or otherwise prepare the target.
  • 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: None.
  • Integrity impact: None.
  • Availability impact: High — total loss, or loss the attacker controls.

Weakness class

BELL-CVE-2023-46103 is classified as CWE-1281: Sequence of Processor Instructions Leads to Unexpected Behavior. Specific combinations of processor instructions lead to undesirable behavior such as locking the processor until a hard reset performed.

Affected software

BELL-CVE-2023-46103 is recorded against 1 package.

  • intel-ucode (from 20230214-r0 up to 20240514-r0)

Timeline and source

Published on 17 May 2024 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-1281: Sequence of Processor Instructions Leads to Unexpected Behavior) in other software:

CVE-2023-46103 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2024-05-17
Updated 2026-08-20
Modified 2026-01-26
Fix URL N/A

Affected Packages

Software From version Fixed in
intel-ucode 20230214-r0 20240514-r0

Vulnerability Monitoring

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