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CVE-2012-2390

18
FAUCET Score

CVE-2012-2390 describes a memory leak vulnerability in the Linux kernel (versions prior to 3.4.2), specifically within the huge page memory management component (mm/hugetlb.c). This flaw allows a local attacker to trigger a denial of service by performing invalid MAP_HUGETLB mmap operations, leading to excessive memory consumption or a system crash. With a CVSS score of 4.9, it is considered a medium-severity vulnerability, requiring local access and having a low attack complexity, but only impacting availability. 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
<= 3.4.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
3.4CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.4:*:*:*:*:*:*:*
3.4CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.4:rc1:*:*:*:*:*:*
3.4CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.4:rc2:*:*:*:*:*:*
3.4CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.4:rc3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.9MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.52%
Probability of exploitation in next 30 days
EPSS Percentile
41.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0052 is in the 77th percentile among its peer group of 3,050 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 (4)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-279.9.1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: kernel-rt-0:3.0.36-rt57.66.el6rt
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux Extended Update Support 6.3Fixed in: kernel

Vendor Advisories (1)

redhatCVE-2012-2390Moderate

kernel: huge pages: memory leak on mmap failure

May 17, 2012

References

git.kernel.org
bugzilla.redhat.com / show_bug.cgi
github.com / torvalds/linux/commit/c50ac050811d6485616a193eb0f37bfbd191cc89
ExploitPatch
kernel.org / pub/linux/kernel/v3.x/ChangeLog-3.4.2
openwall.com / lists/oss-security/2012/05/23/14
ubuntu.com / usn/USN-1515-1
ubuntu.com / usn/USN-1535-1