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CVE-2011-2482

24
FAUCET Score

CVE-2011-2482 describes a denial-of-service vulnerability affecting the Linux kernel, specifically Red Hat Enterprise Linux 5, due to a NULL pointer dereference in the sctp_sock_migrate function. This high-severity flaw (CVSS 7.5) can be triggered remotely by unauthenticated attackers sending a crafted SCTP packet, leading to system instability (OOPS). There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.6.21CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.77%
Probability of exploitation in next 30 days
EPSS Percentile
88.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0377 is in the 80th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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 (4)

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-0:2.6.18-274.3.1.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5.6 EUS - Server OnlyFixed in: kernel-0:2.6.18-238.31.1.el5
View patch

Vendor Advisories (1)

redhatCVE-2011-2482Important

kernel: sctp dos

Aug 30, 2011

References

ftp.osuosl.org / pub/linux/kernel/v2.6/ChangeLog-2.6.21
Broken Link
git.kernel.org
rhn.redhat.com / errata/RHSA-2011-1212.html
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
ExploitIssue TrackingPatchThird Party Advisory
github.com / torvalds/linux/commit/ea2bc483ff5caada7c4aa0d5fbf87d3a6590273d
PatchThird Party Advisory
openwall.com / lists/oss-security/2011/08/30/1
Mailing ListPatchThird Party Advisory