CVE-2024-57910
iio: light: vcnl4035: fix information leak in triggered buffer
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Description
In the Linux kernel, the following vulnerability has been resolved: iio: light: vcnl4035: fix information leak in triggered buffer The 'buffer' local array is used to push data to userspace from a triggered buffer, but it does not set an initial value for the single data element, which is an u16 aligned to 8 bytes. That leaves at least 4 bytes uninitialized even after writing an integer value with regmap_read(). Initialize the array to zero before using it to avoid pushing uninitialized information to userspace.
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/13e56229fc81051a42731046e200493c4a7c28ff
- https://git.kernel.org/stable/c/47b43e53c0a0edf5578d5d12f5fc71c019649279
- https://git.kernel.org/stable/c/47d245be86492974db3aeb048609542167f56518
- https://git.kernel.org/stable/c/a15ea87d4337479c9446b5d71616f4668337afed
- https://git.kernel.org/stable/c/b0e9c11c762e4286732d80e66c08c2cb3157b06b
References (9)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- HIGH
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