4.7

CVE-2023-46103: intel-microcode

Deferred
AliasesALPINE-CVE-2023-46103UBUNTU-CVE-2023-46103DEBIAN-CVE-2023-46103
Published 16-05-2024Last modified 02-08-2024

Vulnerability summary

CVE-2023-46103 is a medium (CVSS 4.7) vulnerability in intel-microcode. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 20.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.7, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.7/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.28%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 9 · Related 6
MGASA-2024-0207OPENSUSE-SU-2024:13974-1RHEA-2024:7620RHSA-2024:9401SUSE-SU-2024:1684-1SUSE-SU-2024:1771-1

Timeline

  1. 16-05-2024
    PublishedVulnerability first disclosed.
  2. 02-08-2024
    Last modifiedVulnerability information updated.

Description

Sequence of processor instructions leads to unexpected behavior in Intel(R) Core(TM) Ultra Processors may allow an authenticated user to potentially enable denial of service via local access.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.28% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Alpine1 product
  • intel-ucode< 20240813-r0 | < 20240514-r0
Debian1 product
  • intel-microcode< 3.20240514.1~deb12u1 | < 3.20240514.1
Ubuntu1 product
  • intel-microcodeAll versions (No fix recorded) | < 3.20240514.0ubuntu0.16.04.1+esm1 | < 3.20240514.0ubuntu0.18.04.1+esm1 | < 3.20240514.0ubuntu0.20.04.1 | < 3.20240514.0ubuntu0.22.04.1 | < 3.20240514.0ubuntu0.24.04.1

3 vendors · 3 products

References

7 links