Description
qemu-nbd in QEMU, as used in Xen 4.2.x, determines the format of a raw disk image based on the header, which allows local guest OS administrators to read arbitrary files on the host by modifying the header to identify a different format, which is used when the guest is restarted, a different vulnerability than CVE-2008-2004.
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 | qemu | 1.5.0+dfsg-1 | — |
| Debian 13 | qemu | 1.5.0+dfsg-1 | — |
| Debian 12 | qemu | 1.5.0+dfsg-1 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | xen | 4.7.0_12-1.3 | openSUSE-SU-2024:10196-1 |
Advisories 1
- openSUSE-SU-2024:10196-1 xen-4.7.0_12-1.3 on GA media SUSE / openSUSE Security Updates · May 7, 2025
References
- FEDORA-2013-6221 vendor-advisory
- 55082 third-party-advisory
- FEDORA-2013-6185 vendor-advisory
- GLSA-201309-24 vendor-advisory
- FEDORA-2013-6211 vendor-advisory
- [oss-security] 20130416 CVE-2013-1922 -- qemu: qemu-nbd block format auto-detection vulnerability mailing-list
- 1028426 vdb-entry
- [oss-security] 20130415 Xen Security Advisory 48 (CVE-2013-1922) - qemu-nbd format-guessing due to missing format specification mailing-list