5.5

CVE-2025-38583: debian debian_linux NULL Pointer Dereference

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2025-38583DEBIAN-CVE-2025-38583
Published 19-08-2025Last modified 11-05-2026

Vulnerability summary

CVE-2025-38583 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 5.5% 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
0.17%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 50 · Related 47

Timeline

  1. 19-08-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: clk: xilinx: vcu: unregister pll_post only if registered correctly If registration of pll_post is failed, it will be set to NULL or ERR, unregistering same will fail with following call trace: Unable to handle kernel NULL pointer dereference at virtual address 008 pc : clk_hw_unregister+0xc/0x20 lr : clk_hw_unregister_fixed_factor+0x18/0x30 sp : ffff800011923850 ... Call trace: clk_hw_unregister+0xc/0x20 clk_hw_unregister_fixed_factor+0x18/0x30 xvcu_unregister_clock_provider+0xcc/0xf4 [xlnx_vcu] xvcu_probe+0x2bc/0x53c [xlnx_vcu]

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.17%

Chance of exploitation in the next 30 days

Percentile

6%

Versus all other CVEs

30-day change

+0.01 pp

From 0.16% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.17%

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

Ubuntu135 products
  • linux< 5.15.0-163.173 | < 6.8.0-100.100
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1097.104 | < 6.8.0-1046.49
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
  • linux< 6.1.148-1 | < 6.12.43-1 | < 6.16.3-1
  • debian_linuxEOL11.0
Linux2 products
  • linux≥ 4472e1849db7f719bbf625890096e0269b5849fe, < 7e903da71f8bec4beb7c06707900e1ed8db843ca | ≥ 4472e1849db7f719bbf625890096e0269b5849fe, < 88bd875b7f9c3652c27d6e4bb7a23701b764f762 | ≥ 4472e1849db7f719bbf625890096e0269b5849fe, < 51990eecf22f446550befdfd1a9f54147eafd636 | ≥ 4472e1849db7f719bbf625890096e0269b5849fe, < f1a1be99d5ae53d3b404415f1665eb59e8e02a8c | ≥ 4472e1849db7f719bbf625890096e0269b5849fe, < 86124c5cfceb5ac04d2fddbf1b6f7147332d96a3 | ≥ 4472e1849db7f719bbf625890096e0269b5849fe, < a72b1c2d3b53e088bfaeb593949ff6fbd2cbe8ed | ≥ 4472e1849db7f719bbf625890096e0269b5849fe, < 3b0abc443ac22f7d4f61ddbbbbc5dbb06c87139d | 5.12
  • linux_kernel≥ 5.12, < 5.15.190 | ≥ 5.16, < 6.1.148 | ≥ 6.2, < 6.6.102 | ≥ 6.7, < 6.12.42 | ≥ 6.13, < 6.15.10 | ≥ 6.16, < 6.16.1

3 vendors · 139 products

References

44 links
Show all 44 references