What is CVE-2025-39729?

CVE-2025-39729 is a medium-severity vulnerability in Linux, classified under Access of Uninitialized Pointer. CVSS score: 5.5/10. Published 2025-09-07.

How severe is CVE-2025-39729?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2025-39729 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Linux

CVE-2025-39729

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Fix dereferencing uninitialized error pointer Fix below smatch warnings: drivers/crypto/ccp/sev-dev.c:1312 __sev_platform_init_locked() error: we previously assumed 'error' could be null

EPSS: 0.001 (3.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions 6.17, 6.16, e6bef2d0dfa036afc32df982240d0368b17ee7fd
Linux Linux_kernel — versions 6.16

Weakness classification (CWE)

CWE-824 — Access of Uninitialized Pointer

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

Frequently asked questions

What is CVE-2025-39729?: CVE-2025-39729 is a medium-severity vulnerability in Linux, classified under Access of Uninitialized Pointer. CVSS score: 5.5/10. Published 2025-09-07.
How severe is CVE-2025-39729?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2025-39729 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.