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CVE-2010-4526

23
FAUCET Score

CVE-2010-4526 describes a race condition in the Linux kernel's SCTP implementation (versions 2.6.11-rc2 through 2.6.33) that can lead to a denial of service (system panic) when processing ICMP unreachable messages. This vulnerability affects various Linux distributions and VMware products. With a CVSS score of 7.1, it is considered high severity, allowing remote attackers to cause a complete system outage with medium attack complexity. Despite its severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.6.11.1, <= 2.6.33CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
2.6.11CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.11:rc2:*:*:*:*:*:*
2.6.11CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.11:rc3:*:*:*:*:*:*
2.6.11CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.11:rc4:*:*:*:*:*:*
2.6.11CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.11:rc5:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.1HIGH

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.52%
Probability of exploitation in next 30 days
EPSS Percentile
83.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0252 is in the 40th percentile among its peer group of 8,920 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 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 (5)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel-0:2.6.18-238.1.1.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-71.24.1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: kernel-rt-0:2.6.33.9-rt31.75.el6rt
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise MRG 1Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2010-4526Important

kernel: sctp: a race between ICMP protocol unreachable and connect()

May 6, 2010

References

git.kernel.org
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
secunia.com / advisories/42964
Broken Link
secunia.com / advisories/46397
Broken Link
exchange.xforce.ibmcloud.com / vulnerabilities/64616
Third Party AdvisoryVDB Entry
openwall.com / lists/oss-security/2011/01/04/13
Mailing ListPatchThird Party Advisory
openwall.com / lists/oss-security/2011/01/04/3
Mailing ListPatchThird Party Advisory
redhat.com / support/errata/RHSA-2011-0163.html
Broken Link
securityfocus.com / archive/1/520102/100/0/threaded
Third Party AdvisoryVDB Entry
securityfocus.com / bid/45661
Third Party AdvisoryVDB Entry
vmware.com / security/advisories/VMSA-2011-0012.html
Third Party Advisory
vupen.com / english/advisories/2011/0169
Broken Link