Description
Xen 3.2.x through 4.4.x does not properly clean memory pages recovered from guests, which allows local guest OS users to obtain sensitive information via unspecified vectors.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | xen | 4.4.1-1 | — |
| Debian 13 | xen | 4.4.1-1 | — |
| Debian 12 | xen | 4.4.1-1 | — |
| Debian 7 | xen | 4.1.4-3+deb7u2 | DSA-3006-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | xen | 4.4.0-0ubuntu5.1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | kernel +12 | 2.6.18-371.11.1.el5 | RHSA-2014:0926 |
Advisories 2
- RHSA-2014:0926 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-3006-1 xen - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- FEDORA-2014-7722 vendor-advisory
- openSUSE-SU-2014:1281 vendor-advisory
- 60471 third-party-advisory
- 60027 third-party-advisory
- http://linux.oracle.com/errata/ELSA-2014-0926.html
- openSUSE-SU-2014:1279 vendor-advisory
- http://linux.oracle.com/errata/ELSA-2014-0926-1.html
- http://support.citrix.com/article/CTX140984
- 1030442 vdb-entry
- GLSA-201407-03 vendor-advisory
- http://xenbits.xen.org/xsa/advisory-100.html
- 60130 third-party-advisory
- DSA-3006 vendor-advisory
- 68070 vdb-entry
- 59208 third-party-advisory
- FEDORA-2014-7734 vendor-advisory