CVE-2025-23137: cpufreq/amd-pstate: Add missing NULL ptr check in amd_pstate_update
Vulnerability summary
CVE-2025-23137 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 8.3% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 9Timeline
- 16-04-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: cpufreq/amd-pstate: Add missing NULL ptr check in amd_pstate_update Check if policy is NULL before dereferencing it in amd_pstate_update.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.19%
Chance of exploitation in the next 30 days
Percentile
8%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.19% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu83 products
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
- linux-aws-5.13All versions (No fix recorded)
- linux-aws-5.19All versions (No fix recorded)
Chainguard15 products
- hyperv-daemons-6.12< 6.12.51-r0
- linux-aws-6.12< 6.12.68-r1 | < 6.12.71-r0 | < 6.12.63-r0 | < 6.12.67-r0 | < 6.12.76-r0 | < 6.12.68-r0 | < 6.12.70-r0 | < 6.12.66-r0 | < 6.12.74-r1 | < 6.12.60-r4 | < 6.12.62-r1 | < 6.12.65-r1 | < 6.12.65-r0 | < 6.12.65-r2 | < 6.12.74-r0 | < 6.12.72-r1 | < 6.12.78-r0 | < 6.12.77-r0 | < 6.12.72-r0 | < 6.12.62-r2 | < 6.12.77-r2 | < 6.12.57-r2 | < 6.12.77-r1 | < 6.12.69-r0 | < 6.12.80-r0 | < 6.12.62-r0 | < 6.12.49-r0
- linux-aws-6.12-boot-installed< 6.12.49-r0
- linux-aws-6.12-fips-boot-installed< 6.12.49-r0
- linux-aws-6.12-modules< 6.12.49-r0
Linux2 products
- linux≥ e8f555daacd3377bf691fdda2490c0b164e00085, < 82b6dfff0d6000b14b271f74e43d672d81fb390e | ≥ e8f555daacd3377bf691fdda2490c0b164e00085, < b99c1c63d88c75a4dc5487c3696cda38697b8d35 | ≥ e8f555daacd3377bf691fdda2490c0b164e00085, < 426db24d4db2e4f0d6720aeb7795eafcb9e82640 | 6.11
- linux_kernel≥ 6.11, < 6.14.2
Debian1 product
- linux< 6.12.35-1
4 vendors · 101 products