CVE-2023-33107
Published on December 5, 2023
Memory corruption in Graphics Linux while assigning shared virtual memory region during IOCTL call.
Known Exploited Vulnerability
This Qualcomm Multiple Chipsets Integer Overflow Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Multiple Qualcomm chipsets contain an integer overflow vulnerability due to memory corruption in Graphics Linux while assigning shared virtual memory region during IOCTL call.
The following remediation steps are recommended / required by December 26, 2023: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Vulnerability Analysis
CVE-2023-33107 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 1.8 out of four. The potential impact of an exploit of this vulnerability is considered to be very high.
Integer Overflow or Wraparound
The software performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. An integer overflow or wraparound occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may wrap to become a very small or negative number. While this may be intended behavior in circumstances that rely on wrapping, it can have security consequences if the wrap is unexpected. This is especially the case if the integer overflow can be triggered using user-supplied inputs. This becomes security-critical when the result is used to control looping, make a security decision, or determine the offset or size in behaviors such as memory allocation, copying, concatenation, etc.
Products Associated with CVE-2023-33107
You can be notified by stack.watch whenever vulnerabilities like CVE-2023-33107 are published in these products:
What versions are vulnerable to CVE-2023-33107?
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