Published: 24/08/2017 Updated: 21/11/2024

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.

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Debian Bug report logs - #875881 linux: CVE-2017-1000251 Package: src:linux; Maintainer for src:linux is Debian Kernel Team <debian-kernel@listsdebianorg>; Reported by: Christoph Anton Mitterer <calestyo@scientianet> Date: Fri, 15 Sep 2017 14:42:01 UTC Severity: critical Tags: confirmed, fixed-upstream, security, ...

Several vulnerabilities have been discovered in the Linux kernel that may lead to privilege escalation, denial of service or information leaks CVE-2017-7518 Andy Lutomirski discovered that KVM is prone to an incorrect debug exception (#DB) error occurring while emulating a syscall instruction A process inside a guest can take advanta ...

Several security issues were fixed in the Linux kernel ...

Several security issues were addressed in the Linux kernel ...

Several security issues were fixed in the Linux kernel ...

Several security issues were addressed in the Linux kernel ...

The xen_biovec_phys_mergeable function in drivers/xen/biomergec 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 (CVE-2017-12134) ...

The xen_biovec_phys_mergeable function in drivers/xen/biomergec 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 ...

Description of Problem A number of security vulnerabilities have been identified in Citrix XenServer that may allow a malicious administrator of a guest VM to compromise the host These vulnerabilities affect all currently supported versions of Citrix XenServer up to and including Citrix XenServer 72 The following vulnerabilities have been addres ...

CWE-682 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=875881 https://nvd.nist.gov https://usn.ubuntu.com/3444-1/https://www.first.org/epss https://www.debian.org/security/./dsa-3981 http://www.debian.org/security/2017/dsa-3981 http://www.openwall.com/lists/oss-security/2017/08/15/4 http://www.securityfocus.com/bid/100343 http://www.securitytracker.com/id/1039176 http://xenbits.xen.org/xsa/advisory-229.html https://bugzilla.redhat.com/show_bug.cgi?id=1477656 https://security.gentoo.org/glsa/201801-14 https://support.citrix.com/article/CTX225941 https://usn.ubuntu.com/3655-1/https://usn.ubuntu.com/3655-2/http://www.debian.org/security/2017/dsa-3981 http://www.openwall.com/lists/oss-security/2017/08/15/4 http://www.securityfocus.com/bid/100343 http://www.securitytracker.com/id/1039176 http://xenbits.xen.org/xsa/advisory-229.html https://bugzilla.redhat.com/show_bug.cgi?id=1477656 https://security.gentoo.org/glsa/201801-14 https://support.citrix.com/article/CTX225941 https://usn.ubuntu.com/3655-1/https://usn.ubuntu.com/3655-2/

CVE-2017-12134

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