| Name | CVE-2012-4537 |
| Description | Xen 3.4 through 4.2, and possibly earlier versions, does not properly synchronize the p2m and m2p tables when the set_p2m_entry function fails, which allows local HVM guest OS administrators to cause a denial of service (memory consumption and assertion failure), aka "Memory mapping failure DoS vulnerability." |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-2582-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| xen (PTS) | bullseye | 4.14.6-1 | fixed |
| bullseye (security) | 4.14.5+94-ge49571868d-1 | fixed | |
| bookworm | 4.17.5+23-ga4e5191dc0-1+deb12u1 | fixed | |
| bookworm (security) | 4.17.5+23-ga4e5191dc0-1 | fixed | |
| trixie | 4.20.0-1 | fixed | |
| sid | 4.20.0+68-g35cb38b222-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| xen | source | squeeze | 4.0.1-5.5 | DSA-2582-1 | ||
| xen | source | (unstable) | 4.1.3-4 |