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TI-2010-04256 Aliases CVE-2010-4526GHSA-mrp2-pm5c-pxrh

Race condition in the sctp_icmp_proto_unreachable function in net/sctp/input.c in Linux…

Priority LOW 36CWE-362Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
—
Confidentiality · integrity · availability
None · None · Complete
Fix status
Partial Red Hat: 6 fixed, 1 without a fix

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

Race condition in the sctp_icmp_proto_unreachable function in net/sctp/input.c in Linux kernel 2.6.11-rc2 through 2.6.33 allows remote attackers to cause a denial of service (panic) via an ICMP unreachable message to a socket that is already locked by a user, which causes the socket to be freed and triggers list corruption, related to the sctp_wait_for_connect function.

Why it matters now

EPSS 0.02523 84th percentileScored 2026-11-07
Fix Partial Red Hat: 3 advisoriesRed Hat: 6 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*2.6.11.1 – 2.6.33VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.11:rc2:*:*:*:*:*:*2.6.11 rc2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.11:rc3:*:*:*:*:*:*2.6.11 rc3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.11:rc4:*:*:*:*:*:*2.6.11 rc4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.11:rc5:*:*:*:*:*:*2.6.11 rc5VulnerableLinux
cpe:2.3:o:redhat:enterprise_mrg:1.0:*:*:*:*:*:*:*1.0VulnerableRed Hat
cpe:2.3:o:vmware:esx:4.0:*:*:*:*:*:*:*4.0VulnerableVMware
cpe:2.3:o:vmware:esx:4.1:*:*:*:*:*:*:*4.1VulnerableVMware
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 2.6.11.1 – 2.6.33 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.11:rc2:*:*:*:*:*:* Versions 2.6.11 rc2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.11:rc3:*:*:*:*:*:* Versions 2.6.11 rc3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.11:rc4:*:*:*:*:*:* Versions 2.6.11 rc4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.11:rc5:*:*:*:*:*:* Versions 2.6.11 rc5 Vulnerable ·Linux
  • cpe:2.3:o:redhat:enterprise_mrg:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Red Hat
  • cpe:2.3:o:vmware:esx:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·VMware
  • cpe:2.3:o:vmware:esx:4.1:*:*:*:*:*:*:* Versions 4.1 Vulnerable ·VMware

Remediation

Red Hat 3 advisories

  • RHSA-2011:1253 Released 2011-09-12 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-2.6.33.9-rt31.75.el6rt, kernel-rt-debug-2.6.33.9-rt31.75.el6rt, kernel-rt-debug-devel-2.6.33.9-rt31.75.el6rt +7
  • RHSA-2011:0421 Released 2011-04-08 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-71.24.1.el6, kernel-debug-2.6.32-71.24.1.el6, kernel-debug-devel-2.6.32-71.24.1.el6 +4
    • Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-71.24.1.el6, kernel-debug-2.6.32-71.24.1.el6, kernel-debug-devel-2.6.32-71.24.1.el6 +4
    • Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-71.24.1.el6, kernel-bootwrapper-2.6.32-71.24.1.el6, kernel-debug-2.6.32-71.24.1.el6 +7
    • Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-71.24.1.el6, kernel-debug-2.6.32-71.24.1.el6, kernel-debug-devel-2.6.32-71.24.1.el6 +4
  • RHSA-2011:0163 Released 2011-01-18 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux (v. 5.6.z server) kernel-2.6.18-238.1.1.el5, kernel-2.6.18-238.1.1.el5.ia64, kernel-PAE-2.6.18-238.1.1.el5 +18

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise MRG 1AffectedNo fix yet
Red Hat Enterprise Linux (v. 5.6.z server)Fixed RHSA-2011:0163
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2011:0421
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2011:0421
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2011:0421
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2011:0421
Red Hat MRG Realtime for RHEL 6 Server v.2Fixed RHSA-2011:1253
Not affected: 4 products
  • Red Hat Enterprise Linux Desktop (v. 6)
  • Red Hat Enterprise Linux HPC Node (v. 6)
  • Red Hat Enterprise Linux Server (v. 6)
  • Red Hat Enterprise Linux Workstation (v. 6)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2010-4526
  2. 2026-10-03 Alias added: GHSA-mrp2-pm5c-pxrh

References

Patch 3

Advisory 2

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences