Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2009-1895

The personality subsystem in the Linux kernel before 2.6.31-rc3 has a PER_CLEAR_ON_SETID setting that does not clear the ADDR_COMPAT_LAYOUT and MMAP_PAGE_ZERO flags when executing a setuid or setgid program, which makes it easier for local users to leverage the details of memory usage to (1) conduct NULL pointer dereference attacks, (2) bypass the mmap_min_addr protection mechanism, or (3) defeat address space layout randomization (ASLR).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 19.0%
CVSS Severity
CVSS v2 Score 7.2
References
Products affected by CVE-2009-1895


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