CVE-2023-31346: amd 3rd gen amd epyc™ processors Improper Access Control
CVSS: 6.0v3.1MediumModified
AliasesRHSA-2024:4262RHSA-2024:4409RHSA-2024:4733RHSA-2024:4741RHSA-2024:4774RHSA-2024:5640UBUNTU-CVE-2023-31346
Published 13-02-2024Last modified 20-03-2025
Vulnerability summary
CVE-2023-31346 is a medium (CVSS 6.0) Improper Access Control vulnerability in amd 3rd gen amd epyc™ processors. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.3% of scored vulnerabilities.
CVSS score
6.0/10
010
Medium · v3.1 (CVE.org)EPSS score
0.31%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 13-02-2024PublishedVulnerability first disclosed.
- 20-03-2025Last modifiedVulnerability information updated.
Description
Failure to initialize memory in SEV Firmware may allow a privileged attacker to access stale data from other guests.
CVSS metrics
4 scores · 4 sources · 1 versionMedium 6.0Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:NSources4 sources · 4.4–6.0
- OSV · Red hatEcosystem advisory · calculated4.4MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:NDiffers
- OSV · UbuntuEcosystem advisory · calculated6.0MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
- NVDNIST6.0MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
EPSS trend
Probability
0.31%
Chance of exploitation in the next 30 days
Percentile
22%
Versus all other CVEs
30-day change
0.00 pp
From 0.31% on 19-09-2026
19-09-202619-10-2026
EPSS score0.31%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Amd64 products
- 3rd gen amd epyc™ processorsvarious
- 4th gen amd epyc™ processorsvarious
- epyc_7203_firmware< milanpi_1.0.0.c
- epyc_7203p_firmware< milanpi_1.0.0.c
- epyc_72f3_firmware< milanpi_1.0.0.c
Redhat23 products
- iwl100-firmware< 0:39.31.5.1-122.el8_10.1 | < 0:39.31.5.1-114.1.el8_6.1 | < 0:39.31.5.1-106.1.el8_4.1 | < 0:39.31.5.1-118.1.el8_8.1 | < 0:39.31.5.1-143.1.el9_4 | < 0:39.31.5.1-138.1.el9_2
- iwl1000-firmware< 1:39.31.5.1-122.el8_10.1 | < 1:39.31.5.1-114.1.el8_6.1 | < 1:39.31.5.1-106.1.el8_4.1 | < 1:39.31.5.1-118.1.el8_8.1 | < 1:39.31.5.1-143.1.el9_4 | < 1:39.31.5.1-138.1.el9_2
- iwl105-firmware< 0:18.168.6.1-122.el8_10.1 | < 0:18.168.6.1-114.1.el8_6.1 | < 0:18.168.6.1-106.1.el8_4.1 | < 0:18.168.6.1-118.1.el8_8.1 | < 0:18.168.6.1-143.1.el9_4 | < 0:18.168.6.1-138.1.el9_2
- iwl135-firmware< 0:18.168.6.1-122.el8_10.1 | < 0:18.168.6.1-114.1.el8_6.1 | < 0:18.168.6.1-106.1.el8_4.1 | < 0:18.168.6.1-118.1.el8_8.1 | < 0:18.168.6.1-143.1.el9_4 | < 0:18.168.6.1-138.1.el9_2
- iwl2000-firmware< 0:18.168.6.1-122.el8_10.1 | < 0:18.168.6.1-114.1.el8_6.1 | < 0:18.168.6.1-106.1.el8_4.1 | < 0:18.168.6.1-118.1.el8_8.1 | < 0:18.168.6.1-143.1.el9_4 | < 0:18.168.6.1-138.1.el9_2
Ubuntu1 product
- linux-firmwareAll versions (No fix recorded)
3 vendors · 88 products