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CVE-2026-72012

tracing/osnoise: Call synchronize_rcu() when unregistering

HIGH
7.8
CVSS Score
Published: August 15, 2026 at 05:51 AM UTC
Updated: October 19, 2026 at 10:17 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
5.17a6ed2aee54644cfa2d04ca86308767f5c3a087e8
Vendor states this is fixed in 38366140dc8ee3568c7f0191d517e117963bd580 (fixed)
Vendor states this is fixed in 3c693635bb7b3a9b6645831a84fed2af46cdf249 (fixed)
Vendor states this is fixed in 428cedade9b2cc8e48f00742df0cfd770e77a803 (fixed)
Vendor states this is fixed in dd0160a0842337f12e7694d68b184050afc6d3a4 (fixed)
Vendor states this is fixed in fad36954b29592ce463254179c3043697678481f (fixed)
Vendor states this is fixed in fe58f457ad8d0a2bef4e053cfecca4b5cd266b1a (fixed)
Vendor states this is fixed in 5.17 (unaffected)
Vendor states this is fixed in 6.1.184 (unaffected)
Vendor states this is fixed in 6.12.97 (unaffected)
Vendor states this is fixed in 6.18.40 (unaffected)
Vendor states this is fixed in 6.6.145 (unaffected)
Vendor states this is fixed in 7.1.5 (unaffected)
Vendor states this is fixed in 7.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

Source: cverecord
https://git.kernel.org/stable/c/3c693635bb7b3a9b6645831a84fed2af46cdf249
Source: cverecord
https://git.kernel.org/stable/c/38366140dc8ee3568c7f0191d517e117963bd580
Source: cverecord
https://git.kernel.org/stable/c/fad36954b29592ce463254179c3043697678481f
Source: cverecord
https://git.kernel.org/stable/c/dd0160a0842337f12e7694d68b184050afc6d3a4
Source: cverecord
https://git.kernel.org/stable/c/fe58f457ad8d0a2bef4e053cfecca4b5cd266b1a
Source: cverecord
https://git.kernel.org/stable/c/428cedade9b2cc8e48f00742df0cfd770e77a803

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusRECEIVED
CWE
CWE-667

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