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.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.13%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 28 · Related 28OPENSUSE-SU-2026:22091-1SUSE-SU-2026:24179-1SUSE-SU-2026:24181-1SUSE-SU-2026:24182-1SUSE-SU-2026:24184-1SUSE-SU-2026:4640-1SUSE-SU-2026:4660-1SUSE-SU-2026:4665-1SUSE-SU-2026:4666-1SUSE-SU-2026:4667-1SUSE-SU-2026:4668-1SUSE-SU-2026:4687-1SUSE-SU-2026:4706-1USN-8875-1USN-8875-2USN-8876-1USN-8877-1USN-8878-1USN-8879-1USN-8886-1USN-8887-1USN-8887-2USN-8887-3USN-8888-1USN-8888-2USN-8889-1USN-8917-1USN-8918-1
Timeline
- 15-08-2026PublishedVulnerability first disclosed.
- 16-10-2026Last 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 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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 score0.13%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo 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