5.5

CVE-2025-38113: debian debian_linux NULL Pointer Dereference

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2025-38113DEBIAN-CVE-2025-38113
Published 03-07-2025Last modified 11-05-2026

Vulnerability summary

CVE-2025-38113 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 8.2% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.19%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 43 · Related 39

Timeline

  1. 03-07-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Fix NULL pointer dereference when nosmp is used With nosmp in cmdline, other CPUs are not brought up, leaving their cpc_desc_ptr NULL. CPU0's iteration via for_each_possible_cpu() dereferences these NULL pointers, causing panic. Panic backtrace: [ 0.401123] Unable to handle kernel NULL pointer dereference at virtual address 00000000000000b8 ... [ 0.403255] [<ffffffff809a5818>] cppc_allow_fast_switch+0x6a/0xd4 ... Kernel panic - not syncing: Attempted to kill init! [ rjw: New subject ]

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.19%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

+0.02 pp

From 0.17% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.19%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu119 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)
Debian2 products
Linux2 products
  • linux≥ 3cc30dd00a580ca0c9c0b01639841cfd72d10129, < 356d09c7f5bf525086002a34f8bae40b134d1611 | ≥ 3cc30dd00a580ca0c9c0b01639841cfd72d10129, < c6dad167aade4bf0bef9130f2f149f4249fc4ad0 | ≥ 3cc30dd00a580ca0c9c0b01639841cfd72d10129, < 32a48db4cf28ea087214c261da8476db218d08bd | ≥ 3cc30dd00a580ca0c9c0b01639841cfd72d10129, < 1a677d0ceb4a5d62117b711a8b2e0aee80d33015 | ≥ 3cc30dd00a580ca0c9c0b01639841cfd72d10129, < 15eece6c5b05e5f9db0711978c3e3b7f1a2cfe12 | 5.19
  • linux_kernel≥ 5.19, < 6.1.142 | ≥ 6.2, < 6.6.94 | ≥ 6.7, < 6.12.34 | ≥ 6.13, < 6.15.3 | 6.16:rc1

3 vendors · 123 products

References

34 links
Show all 34 references