7.5

CVE-2025-68321: page_pool: always add GFP_NOWARN for ATOMIC allocations

Deferred
AliasesUBUNTU-CVE-2025-68321DEBIAN-CVE-2025-68321
Published 16-12-2025Last modified 30-10-2026

Vulnerability summary

CVE-2025-68321 is a high (CVSS 7.5) vulnerability in linux. EPSS estimates a 0.45% chance of exploitation in the next 30 days, higher than 39.2% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 0% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.45%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 28 · Related 25
DLA-4436-1MGASA-2026-0017MGASA-2026-0018USN-8029-1USN-8029-2USN-8029-3

Timeline

  1. 16-12-2025
    PublishedVulnerability first disclosed.
  2. 30-10-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.45%

Chance of exploitation in the next 30 days

Percentile

39%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.44% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu154 products
  • linuxAll versions (No fix recorded) | < 5.15.0-173.183 | < 6.8.0-106.106 | < 6.17.0-14.14
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1103.110 | < 6.8.0-1050.53 | < 6.17.0-1007.7
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.159-1 | < 6.12.63-1 | < 6.17.8-1
Linux1 product
  • linux≥ ff7d6b27f894f1469dc51ccb828b7363ccd9799f, < 3c4c2c96d00d112626736cc865b3c75aa8fb6de3 | ≥ ff7d6b27f894f1469dc51ccb828b7363ccd9799f, < 0ec2cd5c58793d0c622797cd5fbe26634b357210 | ≥ ff7d6b27f894f1469dc51ccb828b7363ccd9799f, < 9835a0fd59a1df5ec0740fdab6d50db68e0f10de | ≥ ff7d6b27f894f1469dc51ccb828b7363ccd9799f, < 7613c06ffa89c1e2266fb532e23ef7dfdf269d73 | ≥ ff7d6b27f894f1469dc51ccb828b7363ccd9799f, < 3671a0775952026228ae44e096eb144bca75f8dc | ≥ ff7d6b27f894f1469dc51ccb828b7363ccd9799f, < ab48dc0e23eb714b3f233f8e8f6deed7df2051f5 | ≥ ff7d6b27f894f1469dc51ccb828b7363ccd9799f, < f3b52167a0cb23b27414452fbc1278da2ee884fc | 4.18

3 vendors · 156 products

References

36 links
Show all 36 references