tracing/osnoise: Call synchronize_rcu() when unregistering
Published Aug 15, 2026
7.8
HIGHCVSS 3.1
EPSS 0.18%
Description
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 products
-
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version
-
- Version 5.17StatusaffectedConstraints-
- Version 0StatusunaffectedConstraints<5.17
- Version 6.1.184StatusunaffectedConstraints<=6.1.*
- Version 6.12.97StatusunaffectedConstraints<=6.12.*
- Version 6.18.40StatusunaffectedConstraints<=6.18.*
- Version 6.6.145StatusunaffectedConstraints<=6.6.*
- Version 7.1.5StatusunaffectedConstraints<=7.1.*
- Version 7.2StatusunaffectedConstraints<=*
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux | unaffected |
| |||||||||||||||||||||||||||
| Linux | Linux | affected |
|
No data.
No data.
Red Hat Enterprise Linux 10
kernel
Fix deferred
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise Linux 8
kernel-rt
Not affected
Red Hat Enterprise Linux 9
kernel
Fix deferred
Red Hat Enterprise Linux 9
kernel-rt
Fix deferred
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 10 | kernel | Fix deferred | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 9 | kernel | Fix deferred | n/a |
| Red Hat Enterprise Linux 9 | kernel-rt | Fix deferred | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Aug–Oct 2026- EPSS v5
Percentile over time
- EPSS v5
Table of values (2 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.18% (0.00176) | 6.42th | v5 (v2026.06.15) |
| Aug 15, 2026 | 0.20% (0.00200) | 10.13th | v5 (v2026.06.15) |
References (11)
- https://access.redhat.com/security/cve/CVE-2026-72012 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2516441 Issue Tracking
- https://git.kernel.org/stable/c/38366140dc8ee3568c7f0191d517e117963bd580
- https://git.kernel.org/stable/c/3c693635bb7b3a9b6645831a84fed2af46cdf249
- https://git.kernel.org/stable/c/428cedade9b2cc8e48f00742df0cfd770e77a803
- https://git.kernel.org/stable/c/dd0160a0842337f12e7694d68b184050afc6d3a4
- https://git.kernel.org/stable/c/fad36954b29592ce463254179c3043697678481f
- https://git.kernel.org/stable/c/fe58f457ad8d0a2bef4e053cfecca4b5cd266b1a
- https://lore.kernel.org/linux-cve-announce/2026081508-CVE-2026-72012-db27@gregkh/T
- https://nvd.nist.gov/vuln/detail/CVE-2026-72012
- https://www.cve.org/CVERecord?id=CVE-2026-72012
Change history (0)
No recorded changes yet.