Ubuntu 22.04 LTS : Linux kernel (Oracle) vulnerabilities (USN-5640-1)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5640-1 advisory. It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of-...

GSD-2022-1005245 KVM: s390: pv: leak the topmost page table when destroy fails

KVM: s390: pv: leak the topmost page table when destroy fails This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.19.2 by commit...

The vulnerability of the SCSIFRONT driver in the PV command of the Xen hypervisor allows a hacker to cause a service failure.

The vulnerability of the PV driver of the Xen hypervisor is caused by synchronization errors when using a shared resource. Exploiting this vulnerability can allow attackers to cause service failures...

OESA-2022-1844 kernel security update

Security Fixes: The Linux kernel before 5.18.13 lacks a certain clear operation for the block starting symbol .bss. This allows Xen PV guest OS users to cause a denial of service or gain privileges.CVE-2022-36123 In v4l2m2mquerybuf of v4l2-mem2mem.c, there is a possible out of bounds write due to...

Citrix Hypervisor Security Bulletin for CVE-2022-33745

A security issue has been identified in Citrix Hypervisor 7.1 LTSR CU2 that may allow privileged code in a PV guest VM to fail to perform management operations. The issue has the following CVE identifier: CVE-2022-33745...

The Linux kernel before 5.18.13 lacks a certain clear operation for the block starting symbol (.bss). This allows Xen PV guest OS users to cause a denial of service or gain privileges.

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Amazon Linux AMI : kernel (ALAS-2022-1624)

The version of kernel installed on the remote host is prior to 4.14.287-148.504. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2022-1624 advisory. There are use-after-free vulnerabilities caused by timer handler in net/rose/rosetimer.c of linux that allow...

Denial Of Service (DoS)

xen is vulnerable to denial of service. The vulnerability exists due to an insufficient TLB flush for x86 PV guests in shadow mode which allows an attacker to crash the application by providing a malicious input...

SUSE SLES12 Security Update : xen (SUSE-SU-2022:2574-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:2574-1 advisory. - Incomplete cleanup of multi-core shared buffers for some IntelR Processors may allow an authenticated user to potentially enable information...

SUSE SLES15 Security Update : xen (SUSE-SU-2022:2601-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:2601-1 advisory. - Incomplete cleanup of multi-core shared buffers for some IntelR Processors may allow an authenticated user to potentially enable...

CVE-2022-36123

The Linux kernel before 5.18.13 lacks a certain clear operation for the block starting symbol .bss. This allows Xen PV guest OS users to cause a denial of service or gain privileges...

CVE-2022-36123

The Linux kernel before 5.18.13 lacks a certain clear operation for the block starting symbol .bss. This allows Xen PV guest OS users to cause a denial of service or gain privileges...

CVE-2022-36123

The Linux kernel before 5.18.13 lacks a certain clear operation for the block starting symbol .bss. This allows Xen PV guest OS users to cause a denial of service or gain privileges...

CVE-2022-36123

The Linux kernel before 5.18.13 lacks a certain clear operation for the block starting symbol .bss. This allows Xen PV guest OS users to cause a denial of service or gain privileges...

SUSE SLES12 Security Update : xen (SUSE-SU-2022:2560-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:2560-1 advisory. - Incomplete cleanup of multi-core shared buffers for some IntelR Processors may allow an authenticated user to potentially enable...

CVE-2022-33745

insufficient TLB flush for x86 PV guests in shadow mode For migration as well as to work around kernels unaware of L1TF see XSA-273, PV guests may be run in shadow paging mode. To address XSA-401, code was moved inside a function in Xen. This code movement missed a variable changing meaning / val...

CVE-2022-33745

insufficient TLB flush for x86 PV guests in shadow mode For migration as well as to work around kernels unaware of L1TF see XSA-273, PV guests may be run in shadow paging mode. To address XSA-401, code was moved inside a function in Xen. This code movement missed a variable changing meaning / val...

CVE-2022-33745

insufficient TLB flush for x86 PV guests in shadow mode For migration as well as to work around kernels unaware of L1TF see XSA-273, PV guests may be run in shadow paging mode. To address XSA-401, code was moved inside a function in Xen. This code movement missed a variable changing meaning / val...

Design/Logic Flaw

insufficient TLB flush for x86 PV guests in shadow mode For migration as well as to work around kernels unaware of L1TF see XSA-273, PV guests may be run in shadow paging mode. To address XSA-401, code was moved inside a function in Xen. This code movement missed a variable changing meaning / val...

CVE-2022-33745

insufficient TLB flush for x86 PV guests in shadow mode For migration as well as to work around kernels unaware of L1TF see XSA-273, PV guests may be run in shadow paging mode. To address XSA-401, code was moved inside a function in Xen. This code movement missed a variable changing meaning / val...