CVE-2026-72355: linux
CVSS: 9.8v3.1CriticalReceived
AliasesUBUNTU-CVE-2026-72355DEBIAN-CVE-2026-72355
Published 15-08-2026Last modified 21-09-2026
Vulnerability summary
CVE-2026-72355 is a critical (CVSS 9.8) vulnerability in linux. EPSS estimates a 0.65% chance of exploitation in the next 30 days, higher than 50.1% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.65%
0%100%
Low · +0.10 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 6 · Related 6Timeline
- 15-08-2026PublishedVulnerability first disclosed.
- 21-09-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: netfs: Fix barriering when walking subrequest list Fix the barriering used when walking the subrequest list in retry as there's a possibility of seeing a subreq that's just been added by the application thread.
CVSS metrics
4 scores · 4 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.65%
Chance of exploitation in the next 30 days
Percentile
50%
Versus all other CVEs
30-day change
+0.10 pp
From 0.55% on 19-09-2026
19-09-202619-10-2026
EPSS score0.65%
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
Ubuntu120 products
- linux< 7.0.0-34.34
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 7.0.0-1013.13
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linuxAll versions (No fix recorded) | < 7.1.5-1
Linux1 product
- linux≥ 288ace2f57c9d06dd2e42bd80d03747d879a4068, < 4cca4b44e561a19c77cb1949ae6846da0539db40 | ≥ 288ace2f57c9d06dd2e42bd80d03747d879a4068, < be47c047250671c9225c0319ca4695be9b391c59 | ≥ 288ace2f57c9d06dd2e42bd80d03747d879a4068, < 5c6ce05e406520290c1d89da97fb3cd70c09137d | 6.10
3 vendors · 122 products
