7.8

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.

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 · -0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 18 · Related 16

Timeline

  1. 15-08-2026
    PublishedVulnerability first disclosed.
  2. 19-10-2026
    Last 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 version

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 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

Affected 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

References

19 links
Show all 19 references