7.8

CVE-2026-74627: linux

CVSS: 7.8v3.1HighReceived
AliasesUBUNTU-CVE-2026-74627DEBIAN-CVE-2026-74627
Published 22-08-2026Last modified 25-08-2026
Open JSON

Vulnerability summary

CVE-2026-74627 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6.3% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.17%
0%100%
Low · +0.05 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
MGASA-2026-0506

Timeline

  1. 22-08-2026
    PublishedVulnerability first disclosed.
  2. 25-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: net: devmem: prevent net-iov / page mixing We should either have net_iov or page backed frags in a single skb, otherwise it blows up down the stack. Don't allow mixing in zerocopy_fill_skb_from_devmem().

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.17%

Chance of exploitation in the next 30 days

Percentile

6%

Versus all other CVEs

30-day change

+0.05 pp

From 0.13% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.17%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu120 products
  • linuxAll versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 7.1.9-1
Linux1 product
  • linux≥ bd61848900bff597764238f3a8ec67c815cd316e, < e9bfe12b1d04c34c6fedcba21d9709b65c08aa33 | ≥ bd61848900bff597764238f3a8ec67c815cd316e, < ed08011ae0be88f16cceae190535d6c790c83b0c | ≥ bd61848900bff597764238f3a8ec67c815cd316e, < 53a43508ee332d8bffe40590c3d189c92a551f9f | 6.16

3 vendors · 122 products

References

6 links