Vulnerability · Published Feb 13, 2024 · Assigned by AMD
CVE-2023-31346
Medium 6.0
In plain English
A medium-severity improper access control in 3rd Gen AMD EPYC™ Processors from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.0Medium
Exploit odds (30 days)0.3%top 76.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
Failure to initialize memory in SEV Firmware may allow a privileged attacker to access stale data from other guests.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | iwl100-firmware | 39.31.5.1-122.el8_10.1 | ALSA-2024:4262 |
| AlmaLinux:9 | iwl100-firmware | 39.31.5.1-143.1.el9_4 | ALSA-2024:4774 |
| AlmaLinux:8 | iwl1000-firmware | 1:39.31.5.1-122.el8_10.1 | ALSA-2024:4262 |
| AlmaLinux:9 | iwl1000-firmware | 1:39.31.5.1-143.1.el9_4 | ALSA-2024:4774 |
| AlmaLinux:8 | iwl105-firmware | 18.168.6.1-122.el8_10.1 | ALSA-2024:4262 |
| AlmaLinux:9 | iwl105-firmware | 18.168.6.1-143.1.el9_4 | ALSA-2024:4774 |
| AlmaLinux:8 | iwl135-firmware | 18.168.6.1-122.el8_10.1 | ALSA-2024:4262 |
| AlmaLinux:9 | iwl135-firmware | 18.168.6.1-143.1.el9_4 | ALSA-2024:4774 |
| AlmaLinux:8 | iwl2000-firmware | 18.168.6.1-122.el8_10.1 | ALSA-2024:4262 |
| AlmaLinux:9 | iwl2000-firmware | 18.168.6.1-143.1.el9_4 | ALSA-2024:4774 |
| AlmaLinux:8 | iwl2030-firmware | 18.168.6.1-122.el8_10.1 | ALSA-2024:4262 |
| AlmaLinux:9 | iwl2030-firmware | 18.168.6.1-143.1.el9_4 | ALSA-2024:4774 |
| AlmaLinux:8 | iwl3160-firmware | 1:25.30.13.0-122.el8_10.1 | ALSA-2024:4262 |
| AlmaLinux:9 | iwl3160-firmware | 1:25.30.13.0-143.1.el9_4 | ALSA-2024:4774 |
| AlmaLinux:8 | iwl3945-firmware | 15.32.2.9-122.el8_10.1 | ALSA-2024:4262 |
| AlmaLinux:8 | iwl4965-firmware | 228.61.2.24-122.el8_10.1 | ALSA-2024:4262 |
| AlmaLinux:8 | iwl5000-firmware | 8.83.5.1_1-122.el8_10.1 | ALSA-2024:4262 |
| AlmaLinux:9 | iwl5000-firmware | 8.83.5.1_1-143.1.el9_4 | ALSA-2024:4774 |
| AlmaLinux:8 | iwl5150-firmware | 8.24.2.2-122.el8_10.1 | ALSA-2024:4262 |
| AlmaLinux:9 | iwl5150-firmware | 8.24.2.2-143.1.el9_4 | ALSA-2024:4774 |
| AlmaLinux:8 | iwl6000-firmware | 9.221.4.1-122.el8_10.1 | ALSA-2024:4262 |
| AlmaLinux:8 | iwl6000g2a-firmware | 18.168.6.1-122.el8_10.1 | ALSA-2024:4262 |
| AlmaLinux:9 | iwl6000g2a-firmware | 18.168.6.1-143.1.el9_4 | ALSA-2024:4774 |
| AlmaLinux:8 | iwl6000g2b-firmware | 18.168.6.1-122.el8_10.1 | ALSA-2024:4262 |
| AlmaLinux:9 | iwl6000g2b-firmware | 18.168.6.1-143.1.el9_4 | ALSA-2024:4774 |
| AlmaLinux:8 | iwl6050-firmware | 41.28.5.1-122.el8_10.1 | ALSA-2024:4262 |
| AlmaLinux:9 | iwl6050-firmware | 41.28.5.1-143.1.el9_4 | ALSA-2024:4774 |
| AlmaLinux:8 | iwl7260-firmware | 1:25.30.13.0-122.el8_10.1 | ALSA-2024:4262 |
| AlmaLinux:9 | iwl7260-firmware | 1:25.30.13.0-143.1.el9_4 | ALSA-2024:4774 |
| AlmaLinux:8 | libertas-sd8686-firmware | 20240610-122.git90df68d2.el8_10 | ALSA-2024:4262 |
| AlmaLinux:8 | libertas-sd8787-firmware | 20240610-122.git90df68d2.el8_10 | ALSA-2024:4262 |
| AlmaLinux:9 | libertas-sd8787-firmware | 20240603-143.1.el9_4 | ALSA-2024:4774 |
| AlmaLinux:8 | libertas-usb8388-firmware | 2:20240610-122.git90df68d2.el8_10 | ALSA-2024:4262 |
| AlmaLinux:8 | libertas-usb8388-olpc-firmware | 20240610-122.git90df68d2.el8_10 | ALSA-2024:4262 |
| AlmaLinux:8 | linux-firmware | 20240610-122.git90df68d2.el8_10 | ALSA-2024:4262 |
| AlmaLinux:9 | linux-firmware | 20240603-143.1.el9_4 | ALSA-2024:4774 |
| AlmaLinux:9 | linux-firmware-whence | 20240603-143.1.el9_4 | ALSA-2024:4774 |
| AlmaLinux:9 | netronome-firmware | 20240603-143.1.el9_4 | ALSA-2024:4774 |
| Rocky Linux:8 | linux-firmware | 0:20240610-122.git90df68d2.el8_10 | RLSA-2024:4262 |
| Ubuntu:22.04:LTS | linux-firmware | no fix listed | UBUNTU-CVE-2023-31346 |
| Ubuntu:24.04:LTS | linux-firmware | no fix listed | UBUNTU-CVE-2023-31346 |
| Ubuntu:25.10 | linux-firmware | no fix listed | UBUNTU-CVE-2023-31346 |
| Ubuntu:26.04:LTS | linux-firmware | no fix listed | UBUNTU-CVE-2023-31346 |
| Ubuntu:26.10 | linux-firmware | no fix listed | UBUNTU-CVE-2023-31346 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | 3rd Gen AMD EPYC™ Processors | various |
| AMD | 4th Gen AMD EPYC™ Processors | various |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N