CVE-2017-12134 The xen_biovec_phys_mergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, caus...
HighCVSS 8.8
EPSS 0.50%
- Published
- Updated
- Exploit status
- No public exploit known
Description
The xen_biovec_phys_mergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block IO merge-ability calculation.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/linux(Debian:12) | < 4.12.12-1 | 4.12.12-1 |
| debian/linux(Debian:13) | < 4.12.12-1 | 4.12.12-1 |
| debian/linux(Debian:14) | < 4.12.12-1 | 4.12.12-1 |
| Xen | All versions | No fix listed |
| citrix xenserver | = 6.0.2 | No fix listed |
| citrix xenserver | = 6.2.0 | No fix listed |
| citrix xenserver | = 6.5 | No fix listed |
| citrix xenserver | = 7.0 | No fix listed |
| citrix xenserver | = 7.1 | No fix listed |
| citrix xenserver | = 7.2 | No fix listed |
References
- Ubuntu CVE tracker vendor-advisory
- USN-3444-1 vendor-advisory
- USN-3444-2 vendor-advisory
- USN-3655-1 vendor-advisory
- USN-3655-2 vendor-advisory
- www.cve.org
- Debian Security Tracker CVE-2017-12134 vendor-advisory
- DSA-3981 vendor-advisory
- [oss-security] 20170815 Xen Security Advisory 229 (CVE-2017-12134) - linux: Fix Xen block IO merge-ability calculation mailing-list mitigation third-party-advisory
- 100343 third-party-advisory vdb-entry
- 1039176 third-party-advisory vdb-entry
- xenbits.xen.org mitigation patch vendor-advisory
- bugzilla.redhat.com issue-tracking mitigation patch third-party-advisory
- GLSA-201801-14 vendor-advisory
- support.citrix.com patch third-party-advisory
- USN-3655-1 vendor-advisory
- USN-3655-2 vendor-advisory