A local overflow exists in the Sbus PROM driver in the Linux kernel. The copyin function fails to check an integer is not negative resulting in an integer overflow. With a specially crafted request, an attacker can potentially execute arbitrary code resulting in a loss of integrity, and/or availability.
Classification
Location:
Local Access Required
Attack Type:
Denial of Service,
Input Manipulation
Impact:
Loss of Integrity,
Loss of Availability
Exploit:
Exploit Unknown
Disclosure:
OSVDB Verified
Solution
Currently, there are no known upgrades, patches, or workarounds available to correct this issue.
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