CVE-2017-1000377

low-risk
Published 2017-06-19

An issue was discovered in the size of the default stack guard page on PAX Linux (originally from GRSecurity but shipped by other Linux vendors), specifically the default stack guard page is not sufficiently large and can be "jumped" over (the stack guard page is bypassed), this affects PAX Linux Kernel versions as of June 19, 2017 (specific version information is not available at this time).

Do I need to act?

-
0.08% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (6)

Third Party Advisory http://www.securityfocus.com/bid/99129
Broken Link https://access.redhat.com/security/cve/CVE-2017-1000377
Third Party Advisory https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt
Third Party Advisory http://www.securityfocus.com/bid/99129
Broken Link https://access.redhat.com/security/cve/CVE-2017-1000377
Third Party Advisory https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt
24
/ 100
low-risk
Severity 19/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal