CVE-2025-40299 | gve: Implement gettimex64 with -EOPNOTSUPP

In the Linux kernel, the following vulnerability has been resolved: gve: Implement gettimex64 with -EOPNOTSUPP gve implemented a ptp_clock for sole use of do_aux_work at this time. ptp_clock_gettime() and ptp_sys_offset() assume every ptp_clock has implemented either gettimex64 or gettime64. Stub gettimex64 and return -EOPNOTSUPP to prevent NULL dereferencing.

Published: 2025-12-08 Last update: 2026-04-15 Assigner: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Conclusion & alert: CVE-2025-40299 is rated Low Risk (3.9/100): low exploitation likelihood (EPSS 0.02%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-40299

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-12-08 0.02%

Full EPSS history (1 record total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-40299

CVSS metrics for this CVE.

No CVSS data in dataset for this CVE.

Weakness enumeration for CVE-2025-40299

OS Trackers for CVE-2025-40299

vendor priority summary link
debian unimportant CVE-2025-40299 unimportant priority: Debian including 1 source packages (linux), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2025-40299
redhat https://access.redhat.com/security/cve/CVE-2025-40299
suse medium CVE-2025-40299 severity moderate: SUSE including 26 source package names (cluster-md-kmp-default, dlm-kmp-default, …), 275 product×package rows across 55 product lines (SLES-LTSS-TERADATA 15 SP2, SUSE Linux Enterprise High Availability Extension 15 SP3, … (55 product lines)): Known Not Affected 275. https://www.suse.com/security/cve/CVE-2025-40299/
ubuntu medium CVE-2025-40299 medium priority: Ubuntu including 157 source packages (linux, linux-allwinner-5.19, …), 1405 status rows across 9 suites (bionic, focal, jammy, noble, plucky, questing, trusty, upstream, xenial): DNE 1010, ignored 172, not-affected 124, released 97, needed 2. https://ubuntu.com/security/CVE-2025-40299

Affected software / configurations for CVE-2025-40299

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2025-40299

cvelogic Threat Intelligence