Vulnerability Details CVE-2022-49127
In the Linux kernel, the following vulnerability has been resolved:
ref_tracker: implement use-after-free detection
Whenever ref_tracker_dir_init() is called, mark the struct ref_tracker_dir
as dead.
Test the dead status from ref_tracker_alloc() and ref_tracker_free()
This should detect buggy dev_put()/dev_hold() happening too late
in netdevice dismantle process.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 6.8%
CVSS Severity
CVSS v3 Score 7.8
References
Products affected by CVE-2022-49127
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cpe:2.3:o:linux:linux_kernel:5.17
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cpe:2.3:o:linux:linux_kernel:5.17.1
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cpe:2.3:o:linux:linux_kernel:5.17.2