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CVE-2011-2502

17
FAUCET Score

CVE-2011-2502 describes a privilege escalation vulnerability in the SystemTap runtime tool (staprun) affecting versions prior to 1.6. Specifically, it fails to properly validate user-specified module paths for user-space probing, allowing local users in the 'stapusr' group to gain privileges through a crafted module. This vulnerability has a CVSS score of 4.4, indicating a medium attack complexity and potential for partial confidentiality, integrity, and availability impact. There is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.5CPE matchmatch criteria
cpe:2.3:a:systemtap:systemtap:*:*:*:*:*:*:*:*
0.2.2CPE matchmatch criteria
cpe:2.3:a:systemtap:systemtap:0.2.2:*:*:*:*:*:*:*
0.3CPE matchmatch criteria
cpe:2.3:a:systemtap:systemtap:0.3:*:*:*:*:*:*:*
0.4CPE matchmatch criteria
cpe:2.3:a:systemtap:systemtap:0.4:*:*:*:*:*:*:*
0.5CPE matchmatch criteria
cpe:2.3:a:systemtap:systemtap:0.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.4MEDIUM

AV:L/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.52%
Probability of exploitation in next 30 days
EPSS Percentile
41.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0052 is in the 78th percentile among its peer group of 1,595 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: systemtap-0:1.4-6.el6_1.2
View patch

Vendor Advisories (1)

redhatCVE-2011-2502Moderate

systemtap: insufficient security check when loading uprobes kernel module

Jul 25, 2011

References

bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/45377
Vendor Advisory
sources.redhat.com / git/gitweb.cgi
sources.redhat.com / git/gitweb.cgi