CVE-2025-37829: debian debian_linux NULL Pointer Dereference
Vulnerability summary
CVE-2025-37829 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.4% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 44 · Related 40Timeline
- 08-05-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: cpufreq: scpi: Fix null-ptr-deref in scpi_cpufreq_get_rate() cpufreq_cpu_get_raw() can return NULL when the target CPU is not present in the policy->cpus mask. scpi_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
0.21%
Chance of exploitation in the next 30 days
Percentile
10%
Versus all other CVEs
30-day change
+0.01 pp
From 0.20% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu136 products
- linuxAll versions (No fix recorded) | < 5.15.0-144.157 | < 6.8.0-100.100
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.15.0-1088.95 | < 6.8.0-1046.49
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian2 products
- linux< 6.1.137-1 | < 6.12.27-1
- debian_linuxEOL11.0
Linux2 products
- linux≥ 343a8d17fa8d6dd97f408e8fedbcef12073f3774, < ad4796f2da495b2cbbd0fccccbcbf63f2aeee613 | ≥ 343a8d17fa8d6dd97f408e8fedbcef12073f3774, < fdf035d9c5436536ffcfea0ac6adeb5dda3c3a23 | ≥ 343a8d17fa8d6dd97f408e8fedbcef12073f3774, < 8fbaa76690f67a7cbad315f89d607b46e3e06ede | ≥ 343a8d17fa8d6dd97f408e8fedbcef12073f3774, < da8ee91e532486055ecf88478d38c2f3dc234182 | ≥ 343a8d17fa8d6dd97f408e8fedbcef12073f3774, < 19e0eaa62e8831f2bc0285fef3bf8faaa7f3e09b | ≥ 343a8d17fa8d6dd97f408e8fedbcef12073f3774, < 28fbd7b13b4d3074b16db913aedc9d8d37ab41e7 | ≥ 343a8d17fa8d6dd97f408e8fedbcef12073f3774, < 124bddf123311cd1f18bffd63a5d974468d59c67 | ≥ 343a8d17fa8d6dd97f408e8fedbcef12073f3774, < 73b24dc731731edf762f9454552cb3a5b7224949 | 4.16
- linux_kernel≥ 4.16, < 5.4.293 | ≥ 5.5, < 5.10.237 | ≥ 5.11, < 5.15.181 | ≥ 5.16, < 6.1.136 | ≥ 6.2, < 6.6.89 | ≥ 6.7, < 6.12.26 | ≥ 6.13, < 6.14.5 | 6.15:rc1 | 6.15:rc2 | 6.15:rc3
3 vendors · 140 products