CVE-2022-49893
N/A
N/A
Summary
In the Linux kernel, the following vulnerability has been resolved:
cxl/region: Fix cxl_region leak, cleanup targets at region delete
When a region is deleted any targets that have been previously assigned to that region hold references to it. Trigger those references to drop by detaching all targets at unregister_region() time.
Otherwise that region object will leak as userspace has lost the ability to detach targets once region sysfs is torn down.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | b9686e8c8e39d4072081ef078c04915ee51c8af4 < 45d9fb4b758b9d602ee7776eb6754b0349946aad | affected |
| Linux | Linux | b9686e8c8e39d4072081ef078c04915ee51c8af4 < 0d9e734018d70cecf79e2e4c6082167160a0f13f | affected |
| Linux | Linux | 6.0 | affected |
| Linux | Linux | 0 < 6.0 | unaffected |
| Linux | Linux | 6.0.8 <= 6.0.* | unaffected |
| Linux | Linux | 6.1 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/45d9fb4b758b9d602ee7776eb6754b0349946aad
- https://git.kernel.org/stable/c/0d9e734018d70cecf79e2e4c6082167160a0f13f
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