Vulnerability in Linux

CVE-2025-68321

In the Linux kernel, the following vulnerability has been resolved: page_pool: always add GFP_NOWARN for ATOMIC allocations Driver authors often forget to add GFP_NOWARN for page allocation from the datapath. This is annoying to users as OOMs are a fact of life, and we pretty much expect network Rx to hit page allocation failures during OOM. Make page pool add GFP_NOWARN for ATOMIC allocations by default.

EPSS: 0.002 (6.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Linux — versions ff7d6b27f894f1469dc51ccb828b7363ccd9799f, 4.18, 0

References

Frequently asked questions

What is CVE-2025-68321?
CVE-2025-68321 is a high-severity vulnerability in Linux. CVSS score: 7.5/10. Published 2025-12-16.
How severe is CVE-2025-68321?
High severity. CVSS v3 base score is 7.5 out of 10.