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CVE-2013-4483

15
FAUCET Score

CVE-2013-4483 describes a denial-of-service vulnerability in the Linux kernel, specifically affecting versions prior to 3.10. The flaw resides in the ipc_rcu_putref function, which improperly manages a reference count. This vulnerability has a CVSS score of 4.9, indicating a medium severity, and allows a local attacker to cause memory exhaustion or a system crash with low attack complexity and no authentication required. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage regarding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.9.11CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0:rc1:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0:rc3:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:*

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
0.49%
Probability of exploitation in next 30 days
EPSS Percentile
39.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0049 is in the 74th percentile among its peer group of 3,052 CVEs.

Social Chatter

No social media mentions found for this CVE.

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 (6)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel-0:2.6.18-371.6.1.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-504.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.5 Extended Update SupportFixed in: kernel-0:2.6.32-431.50.1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: kernel-rt-0:3.10.33-rt32.33.el6rt
View patch

Vendor Advisories (1)

redhatCVE-2013-4483Moderate

kernel: ipc: ipc_rcu_putref refcount races

Oct 29, 2013

References

git.kernel.org
lists.opensuse.org / opensuse-updates/2014-02/msg00045.html
rhn.redhat.com / errata/RHSA-2014-0285.html
rhn.redhat.com / errata/RHSA-2015-0284.html
bugzilla.redhat.com / show_bug.cgi
Patch
github.com / torvalds/linux/commit/6062a8dc0517bce23e3c2f7d2fea5e22411269a3
ExploitPatch
kernel.org / pub/linux/kernel/v3.x/patch-3.10.bz2
Patch
openwall.com / lists/oss-security/2013/10/30/4
Patch