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CVE-2026-99238
tracing: Hold trace_types_lock when updating modules in persistent instances
High7.8
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: tracing: Hold trace_types_lock when updating modules in persistent instances trace_module_record() walks ftrace_trace_arrays from the module notifier without trace_types_lock. A concurrent rmdir of an instance removes it from the list and frees it under that lock, so a module load or unload can walk into a freed trace_array.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Received | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- Not scored
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
Linux · Linux
- affected 5f3719f697c3fdfae5cd6805f10ac7a04b0f4e43 – < 57408eac99b0d8a005796346d317d31f0ca4e07a
- affected 5f3719f697c3fdfae5cd6805f10ac7a04b0f4e43 – < dab2bd4d67ad5eaa95019a9511f8d379401b5021
- affected 5f3719f697c3fdfae5cd6805f10ac7a04b0f4e43 – < 244c442f54601a24c86ad90572bf36fc3df41c5e
Linux · Linux
- affected 6.15
- unaffected < 6.15
- unaffected 6.18.60 – ≤ 6.18.*
- unaffected 7.2.14 – ≤ 7.2.*
- unaffected 7.3.1 – ≤ 7.3.*
References (3)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .