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CVE-2013-4300

20
FAUCET Score

CVE-2013-4300 describes a privilege escalation vulnerability in the Linux kernel, specifically affecting versions prior to 3.11. The flaw resides in the scm_check_creds function, where a capability check is performed in an incorrect namespace, enabling local users to gain elevated privileges through PID spoofing. This vulnerability carries a CVSS score of 7.2, indicating high severity with local access, low attack complexity, and complete impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.8.6, < 3.9CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
3.9CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.9:rc1:*:*:*:*:*:*
3.9CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.9:rc2:*:*:*:*:*:*
3.9CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.9:rc3:*:*:*:*:*:*
3.9CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.9:rc4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.2HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.42%
Probability of exploitation in next 30 days
EPSS Percentile
34.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0042 is in the 50th percentile among its peer group of 3,241 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2013-4300Important

Kernel: net: PID spoofing privilege escalation flaw

Aug 22, 2013

References

git.kernel.org
Broken Link
bugzilla.redhat.com / show_bug.cgi
ExploitIssue TrackingPatch
github.com / torvalds/linux/commit/d661684cf6820331feae71146c35da83d794467e
ExploitPatch
kernel.org / pub/linux/kernel/v3.x/patch-3.11.bz2
Patch
openwall.com / lists/oss-security/2013/09/05/3
ExploitMailing ListPatch
ubuntu.com / usn/USN-1995-1
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-1998-1
Third Party AdvisoryVDB Entry