Grsecurity specializes in a focused kernel-hardening patch and associated testing tools designed to enhance the security posture of Linux systems through memory protection and access-control mechanisms. The vendor's disclosure surface is narrow but prominent in security-conscious deployments, and its vulnerabilities frequently acquire public exploit code reflecting the visibility and value of kernel-level security enhancements to the adversarial and defensive communities. Current exploitation activity and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Grsecurity over time
Signals from CVEs in this vendor scope (6 CVEs).
6 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2007-0257HIGH 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 | Jan 16, 2007 | 7.8 | 28 | NO | YES |
CVE-2002-1826MEDIUM 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. | Dec 31, 2002 | 4.6 | 21 | NO | YES |
CVE-2010-3373MEDIUM paxtest handles temporary files insecurely | Oct 29, 2019 | 5.5 | 20 | NO | NO |
CVE-2006-0228HIGH The RBAC functionality in grsecurity before 2.1.8 does not properly handle when the admin role creates a service and then exits the shell without unauthenticating, which causes the | Jan 17, 2006 | 7.2 | 20 | NO | NO |
CVE-2007-0253HIGH Unspecified vulnerability in the grsecurity patch has unspecified impact and remote attack vectors, a different vulnerability than the expand_stack vulnerability from the Digital A | Jan 16, 2007 | 7.2 | 18 | NO | NO |
CVE-2008-1940MEDIUM The RBAC functionality in grsecurity before 2.1.11-2.6.24.5 and 2.1.11-2.4.36.2 does not enforce user_transition_deny and user_transition_allow rules for the (1) sys_setfsuid and ( | Apr 25, 2008 | 4.6 | 14 | NO | NO |
Signals from CVEs in this vendor scope (6 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Grsecurity.
Media articles that mention a CVE ID that affects a product developed by Grsecurity — matched by CVE ID, not by vendor name.