CVE-2022-50268
mmc: moxart: fix return value check of mmc_add_host()
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Description
In the Linux kernel, the following vulnerability has been resolved: mmc: moxart: fix return value check of mmc_add_host() mmc_add_host() may return error, if we ignore its return value, the memory that allocated in mmc_alloc_host() will be leaked and it will lead a kernel crash because of deleting not added device in the remove path. So fix this by checking the return value and goto error path which will call mmc_free_host().
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/0ca18d09c744fb030ae9bc5836c3e357e0237dea
- https://git.kernel.org/stable/c/40aa73c70e8a5706f9cbe01409a5e51cc0f1750e
- https://git.kernel.org/stable/c/7c3b301ca8b0cab392c71da8fcdfa499074f8e97
- https://git.kernel.org/stable/c/8f8bb62c7c5c833758ef1563fe738afd579c3efe
- https://git.kernel.org/stable/c/a4c765f5d8e58138cff69f1510b2e8942ec37022
References (9)
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
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