CVE-2023-46842 x86 HVM hypercalls may trigger Xen bug check

Unlike 32-bit PV guests, HVM guests may switch freely between 64-bit and other modes. This in particular means that they may set registers used to pass 32-bit-mode hypercall arguments to values outside of the range 32-bit code would be able to set them to. When processing of hypercalls takes a...

SUSE-SU-2018:1177-1 Security update for xen

This update for xen fixes several issues. These security issues were fixed: - CVE-2018-8897: Prevent mishandling of debug exceptions on x86 XSA-260, bsc1090820 - Handle HPET timers in IO-APIC mode correctly to prevent malicious or buggy HVM guests from causing a hypervisor crash or potentially...

SUSE-SU-2018:0609-1 Security update for xen

This update for xen fixes several issues. These security issues were fixed: - CVE-2017-5753, CVE-2017-5715, CVE-2017-5754: Prevent information leaks via side effects of speculative execution, aka 'Spectre' and 'Meltdown' attacks bsc1074562, bsc1068032 - CVE-2018-5683: The vgadrawtext function...

Oracle Linux 5 : kernel (ELSA-2008-0885)

The remote Oracle Linux 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2008-0885 advisory. - sound sndseqosssynthmakeinfo info leak Eugene Teo 458000 458001 CVE-2008-3272 - mm tmpfs: restore missing clearhighpage Eugene Teo 426082...

Fedora 18 : xen-4.2.0-4.fc18 (2012-18146)

A guest can block a cpu by setting a bad VCPU deadline XSA 20, CVE-2012-4535 876198 HVM guest can exhaust p2m table crashing xen XSA 22, CVE-2012-4537 876203 PAE HVM guest can crash hypervisor XSA-23, CVE-2012-4538 876205 32-bit PV guest on 64-bit hypervisor can cause an hypervisor infinite loop...

Scientific Linux Security Update : kernel on SL5.x i386/x86_64

Security fixes : - a missing capability check was found in the Linux kernel dochangetype routine. This could allow a local unprivileged user to gain privileged access or cause a denial of service. CVE-2008-2931, Important - a flaw was found in the Linux kernel Direct-IO implementation. This could...

RHEL 5 : kernel (RHSA-2008:0885)

Updated kernel packages that fix various security issues and several bugs are now available for Red Hat Enterprise Linux 5. This update has been rated as having important security impact by the Red Hat Security Response Team. The kernel packages contain the Linux kernel, the core of any Linux...