Improper Permission Check in Linux Kernel Allows Privilege Escalation via /proc/<pid>/mem

CVE-2012-0056 · MEDIUM Severity

AV:L/AC:M/AU:N/C:C/I:C/A:C

The mem_write function in the Linux kernel before 3.2.2, when ASLR is disabled, does not properly check permissions when writing to /proc/<pid>/mem, which allows local users to gain privileges by modifying process memory, as demonstrated by Mempodipper.

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