High severity7.5NVD Advisory· Published Jan 23, 2017· Updated Jun 17, 2026
CVE-2016-9380
CVE-2016-9380
Description
The pygrub boot loader emulator in Xen, when nul-delimited output format is requested, allows local pygrub-using guest OS administrators to read or delete arbitrary files on the host via NUL bytes in the bootloader configuration file.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
26cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenserver:6.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenserver:6.5:*:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:*
- osv-coords19 versionspkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2pkg:rpm/suse/xen&distro=SUSE%20Manager%202.1pkg:rpm/suse/xen&distro=SUSE%20Manager%20Proxy%202.1pkg:rpm/suse/xen&distro=SUSE%20OpenStack%20Cloud%205
< 4.5.5_02-22.3.1+ 18 more
- (no CPE)range: < 4.5.5_02-22.3.1
- (no CPE)range: < 4.7.1_02-25.1
- (no CPE)range: < 4.2.5_21-30.1
- (no CPE)range: < 4.1.6_08-32.1
- (no CPE)range: < 4.2.5_21-30.1
- (no CPE)range: < 4.4.4_10-43.5
- (no CPE)range: < 4.5.5_02-22.3.1
- (no CPE)range: < 4.7.1_02-25.1
- (no CPE)range: < 4.4.4_05-22.25.1
- (no CPE)range: < 4.4.4_10-43.5
- (no CPE)range: < 4.4.4_05-22.25.1
- (no CPE)range: < 4.5.5_02-22.3.1
- (no CPE)range: < 4.7.1_02-25.1
- (no CPE)range: < 4.4.4_10-43.5
- (no CPE)range: < 4.5.5_02-22.3.1
- (no CPE)range: < 4.7.1_02-25.1
- (no CPE)range: < 4.2.5_21-30.1
- (no CPE)range: < 4.2.5_21-30.1
- (no CPE)range: < 4.2.5_21-30.1
Patches
Vulnerability mechanics
References
6- xenbits.xen.org/xsa/advisory-198.htmlnvdPatchVendor Advisory
- xenbits.xen.org/xsa/xsa198.patchnvdPatchVendor Advisory
- support.citrix.com/article/CTX218775nvdPatchThird Party Advisory
- www.securityfocus.com/bid/94473nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1037347nvdThird Party AdvisoryVDB Entry
- security.gentoo.org/glsa/201612-56nvd
News mentions
0No linked articles in our index yet.