CVE-2026-72012: linux Improper Locking
CVSS: 7.8v3.1HighReceived
AliasesUBUNTU-CVE-2026-72012DEBIAN-CVE-2026-72012
Published 15-08-2026Last modified 19-10-2026
Vulnerability summary
CVE-2026-72012 is a high (CVSS 7.8) Improper Locking vulnerability in linux. EPSS estimates a 0.13% chance of exploitation in the next 30 days, higher than 2.1% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.13%
0%100%
Low · -0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 18 · Related 16Timeline
- 15-08-2026PublishedVulnerability first disclosed.
- 19-10-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: tracing/osnoise: Call synchronize_rcu() when unregistering This ensures that any RCU readers traversing the instance list have finished, before releasing the reference on the tracer that the instance points to.
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
-0.04 pp
From 0.16% 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 causeAffected systems
Ubuntu142 products
- linuxAll versions (No fix recorded) | < 6.8.0-147.147 | < 7.0.0-38.38
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 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< 6.1.187-1 | < 6.12.100-1 | < 7.1.5-1
Linux1 product
- linux≥ a6ed2aee54644cfa2d04ca86308767f5c3a087e8, < 428cedade9b2cc8e48f00742df0cfd770e77a803 | ≥ a6ed2aee54644cfa2d04ca86308767f5c3a087e8, < 3c693635bb7b3a9b6645831a84fed2af46cdf249 | ≥ a6ed2aee54644cfa2d04ca86308767f5c3a087e8, < 38366140dc8ee3568c7f0191d517e117963bd580 | ≥ a6ed2aee54644cfa2d04ca86308767f5c3a087e8, < fad36954b29592ce463254179c3043697678481f | ≥ a6ed2aee54644cfa2d04ca86308767f5c3a087e8, < dd0160a0842337f12e7694d68b184050afc6d3a4 | ≥ a6ed2aee54644cfa2d04ca86308767f5c3a087e8, < fe58f457ad8d0a2bef4e053cfecca4b5cd266b1a | 5.17
3 vendors · 144 products