1487 matches found
CVE-2019-18420
An issue was discovered in Xen through 4.12.x allowing x86 PV guest OS users to cause a denial of service via a VCPUOPinitialise hypercall. hypercallcreatecontinuation is a variadic function which uses a printf-like format string to interpret its parameters. Error handling for a bad format...
VCPUOP_initialise DoS
ISSUE DESCRIPTION hypercallcreatecontinuation is a variadic function which uses a printf-like format string to interpret its parameters. Error handling for a bad format character was done using BUG, which crashes Xen. One path, via the VCPUOPinitialise hypercall, has a bad format character. The B...
CVE-2019-18420: Use of Externally-Controlled Format String
An issue was discovered in Xen through 4.12.x allowing x86 PV guest OS users to cause a denial of service via a VCPUOPinitialise hypercall. hypercallcreatecontinuation is a variadic function which uses a printf-like format string to interpret its parameters. Error handling for a bad format...
PT-2019-4882
Name of the Vulnerable Software and Affected Versions Xen versions 4.6 through 4.12.x Description The issue is related to incorrect error handling for a malformed format character in the hypercall initialise function of the Xen hypervisor. This can be exploited by a remote attacker to cause a...
PT-2019-4883 · Xen +1 · Xen +1
Name of the Vulnerable Software and Affected Versions: Xen versions through 4.12.x Description: The issue is related to a flaw in restartable PV type change operations, which can be exploited by a remote attacker to gain access to confidential data, compromise its integrity, and cause a denial of...
DEBIAN-CVE-2019-17341
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges by leveraging a page-writability race condition during addition of a passed-through PCI device...
DEBIAN-CVE-2019-17346
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because of an incompatibility between Process Context Identifiers PCID and TLB flushes...
ALPINE-CVE-2019-17347
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because a guest can manipulate its virtualised %cr4 in a way that is incompatible with Linux and possibly other guest kernels...
DEBIAN-CVE-2019-17344
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service by leveraging a long-running operation that exists to support restartability of PTE updates...
UBUNTU-CVE-2019-17343
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges by leveraging incorrect use of the HVM physmap concept for PV domains...
PT-2019-5143 · Xen +1 · Xen +1
Name of the Vulnerable Software and Affected Versions: Xen versions prior to 4.12 Description: The issue allows x86 PV guest OS users to cause a denial of service or gain privileges because a guest can manipulate its virtualised %cr4 in a way that is incompatible with Linux. This is related to an...
kernel: vhost-net: guest to host kernel escape during migration
A buffer overflow flaw was found in the way Linux kernel's vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this fla...
kernel: vhost-net: guest to host kernel escape during migration
A buffer overflow flaw was found in the way Linux kernel's vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this fla...
Low: Red Hat Security Advisory: libguestfs-winsupport security update
An update for libguestfs-winsupport is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerabilit...
kernel: Mishandling of indirect calls weakens Spectre mitigation for paravirtual guests
It was found that paravirtpatchcall/jump functions in the arch/x86/kernel/paravirt.c in the Linux kernel mishandles certain indirect calls, which makes it easier for attackers to conduct Spectre-v2 attacks against paravirtualized guests...
Security update for virtualbox (important)
openSUSE Security Update: Security update for virtualbox Announcement ID: openSUSE-SU-2019:1547-1 Rating: important References: 1122212 Cross-References: CVE-2018-0734 CVE-2018-11763 CVE-2018-11784 CVE-2018-3309 CVE-2019-2446 CVE-2019-2448 CVE-2019-2450 CVE-2019-2451 CVE-2019-2500 CVE-2019-2501...
CVE-2019-10116
An Insecure Permissions issue issue 3 of 3 was discovered in GitLab Community and Enterprise Edition before 11.7.8, 11.8.x before 11.8.4, and 11.9.x before 11.9.2. Guests of a project were allowed to see Related Branches created for an issue...
CVE-2019-10116
An Insecure Permissions issue issue 3 of 3 was discovered in GitLab Community and Enterprise Edition before 11.7.8, 11.8.x before 11.8.4, and 11.9.x before 11.9.2. Guests of a project were allowed to see Related Branches created for an issue...
CVE-2019-10116
An Insecure Permissions issue issue 3 of 3 was discovered in GitLab Community and Enterprise Edition before 11.7.8, 11.8.x before 11.8.4, and 11.9.x before 11.9.2. Guests of a project were allowed to see Related Branches created for an issue...
