CVE-2025-37831: linux NULL Pointer Dereference
Vulnerability summary
CVE-2025-37831 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 7.9% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 32 · Related 30Timeline
- 08-05-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: cpufreq: apple-soc: Fix null-ptr-deref in apple_soc_cpufreq_get_rate() cpufreq_cpu_get_raw() can return NULL when the target CPU is not present in the policy->cpus mask. apple_soc_cpufreq_get_rate() does not check for this case, which results in a NULL pointer dereference.
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
+0.01 pp
From 0.18% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu114 products
- linux< 6.8.0-100.100
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 6.8.0-1046.49
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 6286bbb40576ffadfde206c332b61345c19af57f, < 1053dcf8a504d4933bb3f73df22bc363298d194b | ≥ 6286bbb40576ffadfde206c332b61345c19af57f, < fbdba5f37413dbc09d82ad7235e5b7a2fb8e0f75 | ≥ 6286bbb40576ffadfde206c332b61345c19af57f, < 01e86ea22610d98ae6141e428019a6916e79f725 | ≥ 6286bbb40576ffadfde206c332b61345c19af57f, < 9992649f6786921873a9b89dafa5e04d8c5fef2b | 6.2
- linux_kernel≥ 6.2, < 6.6.89 | ≥ 6.7, < 6.12.26 | ≥ 6.13, < 6.14.5 | 6.15:rc1 | 6.15:rc2 | 6.15:rc3
Debian1 product
- linux< 6.12.27-1
3 vendors · 117 products
