7.8

CVE-2026-74330: linux

CVSS: 7.8v3.1HighReceived
AliasesUBUNTU-CVE-2026-74330DEBIAN-CVE-2026-74330
Published 15-08-2026Last modified 16-10-2026

Vulnerability summary

CVE-2026-74330 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.13% chance of exploitation in the next 30 days, higher than 2.3% 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
0.13%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 28 · Related 28

Timeline

  1. 15-08-2026
    PublishedVulnerability first disclosed.
  2. 16-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: configfs: fix lockless traversals of ->s_children Having the parent directory locked protects entries from removal by another thread, but it does *not* protect cursors from being moved around by lseek() - or freed, for that matter.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.13%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

0.00 pp

From 0.13% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.13%

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

Ubuntu169 products
  • linuxAll versions (No fix recorded) | < 5.15.0-198.208 | < 6.8.0-147.147 | < 7.0.0-38.38
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1117.124 | < 6.8.0-1067.70 | < 7.0.0-1014.14
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.180-1 | < 6.12.100-1 | < 7.1.5-1
Linux1 product
  • linux≥ 6f61076406251626be39651d114fac412b1e0c39, < 77fd6f50f633a52c2db061e7d71d8cb486b0265e | ≥ 6f61076406251626be39651d114fac412b1e0c39, < 91f289728ec706b7ff1ca0ee845dd73ff2253488 | ≥ 6f61076406251626be39651d114fac412b1e0c39, < b166ab78dc3f48e83d2c80bdfde4159b31fdc5fb | ≥ 6f61076406251626be39651d114fac412b1e0c39, < 9e57e2863872e82e7c7237bc32299f67ebebc543 | ≥ 6f61076406251626be39651d114fac412b1e0c39, < 459860529c109c5ce08b81c0776ca1200eaaeb4a | ≥ 6f61076406251626be39651d114fac412b1e0c39, < 637ef4961470e04455102b34ac484a34d8eca0a4 | ≥ 6f61076406251626be39651d114fac412b1e0c39, < e6d93108e0a27d7e6f95c7e45017d14ba2900d32 | ≥ 6f61076406251626be39651d114fac412b1e0c39, < 9b9e8bb81c41fd27e7b57a1c936fde140548535f | 2.6.27

3 vendors · 171 products

References

27 links
Show all 27 references