7.5

CVE-2024-38573: cppc_cpufreq: Fix possible null pointer dereference

Analyzed
AliasesUBUNTU-CVE-2024-38573DEBIAN-CVE-2024-38573
Published 19-06-2024Last modified 11-05-2026

Vulnerability summary

CVE-2024-38573 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 1.00% chance of exploitation in the next 30 days, higher than 62.9% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
1.00%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 27 · Related 19
MGASA-2024-0263MGASA-2024-0266RHSA-2024:5101RHSA-2024:5102RHSA-2024:6744RHSA-2024:6745

Timeline

  1. 19-06-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: cppc_cpufreq: Fix possible null pointer dereference cppc_cpufreq_get_rate() and hisi_cppc_cpufreq_get_rate() can be called from different places with various parameters. So cpufreq_cpu_get() can return null as 'policy' in some circumstances. Fix this bug by adding null return check. Found by Linux Verification Center (linuxtesting.org) with SVACE.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

1.00%

Chance of exploitation in the next 30 days

Percentile

63%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.00% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu116 products
  • linux< 5.15.0-121.131 | < 6.8.0-40.40
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1069.75 | < 6.8.0-1013.14
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ a28b2bfc099c6b9caa6ef697660408e076a32019, < 9a185cc5a79ba408e1c73375706630662304f618 | ≥ a28b2bfc099c6b9caa6ef697660408e076a32019, < 769c4f355b7962895205b86ad35617873feef9a5 | ≥ a28b2bfc099c6b9caa6ef697660408e076a32019, < f84b9b25d045e67a7eee5e73f21278c8ab06713c | ≥ a28b2bfc099c6b9caa6ef697660408e076a32019, < b18daa4ec727c0266de5bfc78e818d168cc4aedf | ≥ a28b2bfc099c6b9caa6ef697660408e076a32019, < dfec15222529d22b15e5b0d63572a9e39570cab4 | ≥ a28b2bfc099c6b9caa6ef697660408e076a32019, < cf7de25878a1f4508c69dc9f6819c21ba177dbfe | 5.11
  • linux_kernel≥ 5.11, < 5.15.161 | ≥ 5.16, < 6.1.93 | ≥ 6.2, < 6.6.33 | ≥ 6.7, < 6.8.12 | ≥ 6.9, < 6.9.3
Debian1 product
  • linux< 6.1.94-1 | < 6.8.12-1

3 vendors · 119 products

References

21 links
Show all 21 references