CVE-2022-49127
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2022-49127
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49127.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2022-49127
- Downstream
- Published
- 2025-02-26T01:55:04Z
- Modified
- 2025-10-15T18:19:25.822419Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- ref_tracker: implement use-after-free detection
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
ref_tracker: implement use-after-free detection
Whenever reftrackerdirinit() is called, mark the struct reftracker_dir as dead.
Test the dead status from reftrackeralloc() and reftrackerfree()
This should detect buggy devput()/devhold() happening too late in netdevice dismantle process.
- References
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced4e66934eaadc83b27ada8d42b60894018f3bfabfFixed3743c9de303fa36c2e2ca2522ab280c52bcafbd2
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced4e66934eaadc83b27ada8d42b60894018f3bfabfFixede3ececfe668facd87d920b608349a32607060e66