CVE-2023-53044
dm stats: check for and propagate alloc_percpu failure
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Description
In the Linux kernel, the following vulnerability has been resolved: dm stats: check for and propagate alloc_percpu failure Check alloc_precpu()'s return value and return an error from dm_stats_init() if it fails. Update alloc_dev() to fail if dm_stats_init() does. Otherwise, a NULL pointer dereference will occur in dm_stats_cleanup() even if dm-stats isn't being actively used.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/0d96bd507ed7e7d565b6d53ebd3874686f123b2e
- https://git.kernel.org/stable/c/2287d7b721471a3d58bcd829250336e3cdf1635e
- https://git.kernel.org/stable/c/443c9d522397511a4328dc2ec3c9c63c73049756
- https://git.kernel.org/stable/c/4a32a9a818a895671bd43e0c40351e60e4e9140b
- https://git.kernel.org/stable/c/5b66e36a3efd24041b7374432bfa4dec2ff01e95
References (8)
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Quick Info
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