CVE-2024-53231: cpufreq: CPPC: Fix possible null-ptr-deref for cpufreq_cpu_get_raw()
Vulnerability summary
CVE-2024-53231 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.8% 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 19 · Related 20Timeline
- 27-12-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: cpufreq: CPPC: Fix possible null-ptr-deref for cpufreq_cpu_get_raw() cpufreq_cpu_get_raw() may return NULL if the cpu is not in policy->cpus cpu mask and it will cause null pointer dereference.
CVSS metrics
4 scores · 4 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
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.24% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot 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.
Ubuntu104 products
- linux< 6.8.0-58.60
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 6.8.0-1027.29
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 740fcdc2c20ecf855b36b919d7fa1b872b5a7eae, < a357b63fd21e4b2791008c2175ba7a8c235ebce1 | ≥ 740fcdc2c20ecf855b36b919d7fa1b872b5a7eae, < e07570a8f2cfc51260c6266cb8e1bd4777a610d6 | ≥ 740fcdc2c20ecf855b36b919d7fa1b872b5a7eae, < e9b39f1924b76abc18881e4ce899fb232dd23d12 | ≥ 740fcdc2c20ecf855b36b919d7fa1b872b5a7eae, < 65fe2f7fdafe2698a343661800434b3f2e51041e | ≥ 740fcdc2c20ecf855b36b919d7fa1b872b5a7eae, < a78e7207564258db6e373e86294a85f9d646d35a | 5.19
- linux_kernel≥ 5.19, < 6.1.120 | ≥ 6.2, < 6.6.64 | ≥ 6.7, < 6.11.11 | ≥ 6.12, < 6.12.2
Debian1 product
- linux< 6.1.123-1 | < 6.12.3-1
3 vendors · 107 products
