Grsecurity: >> Grsecurity Kernel Patch >> 1.9.4 Security Vulnerabilities
Unspecified vulnerability in the expand_stack function in grsecurity PaX allows local users to gain privileges via unspecified vectors. NOTE: the grsecurity developer has disputed this issue, stating that "the function they claim the vulnerability to be in is a trivial function, which can, and has been, easily checked for any supposed vulnerabilities." The developer also cites a past disclosure that was not proven. As of 20070120, the original researcher has released demonstration code
CVSS Score
7.8
EPSS Score
0.001
Published
2007-01-16
grsecurity 1.9.4 for Linux kernel 2.4.18 allows local users to bypass read-only permissions by using mmap to directly map /dev/mem or /dev/kmem to kernel memory.
CVSS Score
4.6
EPSS Score
0.001
Published
2002-12-31