Use After Free Affecting kernel-debug-devel package, versions *
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Test your applications- Snyk ID SNYK-RHEL7-KERNELDEBUGDEVEL-6826213
- published 9 May 2024
- disclosed 3 May 2024
Introduced: 3 May 2024
CVE-2022-48670 Open this link in a new tabHow to fix?
There is no fixed version for RHEL:7 kernel-debug-devel.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debug-devel package and not the kernel-debug-devel package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
peci: cpu: Fix use-after-free in adev_release()
When auxiliary_device_add() returns an error, auxiliary_device_uninit() is called, which causes refcount for device to be decremented and .release callback will be triggered.
Because adev_release() re-calls auxiliary_device_uninit(), it will cause use-after-free: [ 1269.455172] WARNING: CPU: 0 PID: 14267 at lib/refcount.c:28 refcount_warn_saturate+0x110/0x15 [ 1269.464007] refcount_t: underflow; use-after-free.