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CVE-2012-2127

20
FAUCET Score

CVE-2012-2127 describes a denial-of-service vulnerability in the Linux kernel's procfs implementation (fs/proc/root.c) affecting versions before 3.2. This flaw arises from improper interaction with CLONE_NEWPID system calls, allowing remote attackers to trigger a reference leak and memory consumption. With a CVSS score of 5.0, this vulnerability is of medium severity, requiring no authentication and having low attack complexity, leading to a denial of service. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.1.10CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
3.1.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.1.1:*:*:*:*:*:*:*
3.1.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*
3.1.3CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.1.3:*:*:*:*:*:*:*
3.1.4CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.31%
Probability of exploitation in next 30 days
EPSS Percentile
90.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0431 is in the 87th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2012-2127Moderate

kernel: pid namespace leak in kernel 3.0 and 3.1

Apr 20, 2012

References

git.kernel.org
bugzilla.novell.com / show_bug.cgi
Exploit
bugzilla.redhat.com / show_bug.cgi
Exploit
github.com / torvalds/linux/commit/905ad269c55fc62bee3da29f7b1d1efeba8aa1e1
ExploitPatch
ubuntu.com / usn/usn-1607-1
kernel.org / pub/linux/kernel/v3.x
kernel.org / pub/linux/kernel/v3.x/patch-3.2.bz2
Patch
openwall.com / lists/oss-security/2012/04/20/25
Exploit
openwall.com / lists/oss-security/2012/04/22/1
securityfocus.com / bid/55774
ubuntu.com / usn/USN-1594-1