Unrated severityNVD Advisory· Published Dec 8, 2025· Updated Apr 15, 2026

CVE-2025-40299

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Linux/Kernelinferred2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)
osv-coords
pkg:linux/kernel
Range: >= 6.17.0, < 6.17.8

Patches

Vulnerability mechanics

References

git.kernel.org/stable/c/6ab753b5d8e521616cd9bd10b09891cbeb7e0235nvd
git.kernel.org/stable/c/96ec90412ceb58c73fd3714e40ab2cee1eedac3bnvd

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cvss	0.000
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000