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CVE-2022-49127

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CVE-2022-49127

Published: Feb 26, 2025

Modified: May 11, 2026

PUBLISHED

Description

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.

VendorProductVersions

Linux

Linux

affected
4e66934eaadc83b27ada8d42b60894018f3bfabf - < 3743c9de303fa36c2e2ca2522ab280c52bcafbd2
affected
4e66934eaadc83b27ada8d42b60894018f3bfabf - < e3ececfe668facd87d920b608349a32607060e66

Linux

Linux

affected
5.17
unaffected
0 - < 5.17
unaffected
5.17.3 - <= 5.17.*
unaffected
5.18 - <= *

References

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