CVE-2024-50180
fbdev: sisfb: Fix strbuf array overflow
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Description
In the Linux kernel, the following vulnerability has been resolved: fbdev: sisfb: Fix strbuf array overflow The values of the variables xres and yres are placed in strbuf. These variables are obtained from strbuf1. The strbuf1 array contains digit characters and a space if the array contains non-digit characters. Then, when executing sprintf(strbuf, "%ux%ux8", xres, yres); more than 16 bytes will be written to strbuf. It is suggested to increase the size of the strbuf array to 24. Found by Linux Verification Center (linuxtesting.org) with SVACE.
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/11c0d49093b82f6c547fd419c41a982d26bdf5ef
- https://git.kernel.org/stable/c/252f147b1826cbb30ae0304cf86b66d3bb12b743
- https://git.kernel.org/stable/c/41cf6f26abe4f491b694c54bd1aa2530369b7510
- https://git.kernel.org/stable/c/433c84c8495008922534c5cafdae6ff970fb3241
- https://git.kernel.org/stable/c/57c4f4db0a194416da237fd09dad9527e00cb587
References (10)
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
- HIGH
- Availability
- HIGH
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