SUSE CVE-2025-71155

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix gmaphelperzaponepage again A few checks were missing in gmaphelperzaponepage, which can lead to memory corruption in the guest under specific circumstances. Add the missing checks...

CVE-2025-71155 KVM: s390: Fix gmap_helper_zap_one_page() again

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix gmaphelperzaponepage again A few checks were missing in gmaphelperzaponepage, which can lead to memory corruption in the guest under specific circumstances. Add the missing checks...

CVE-2023-54092

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pv: fix index value of replaced ASCE The index field of the struct page corresponding to a guest ASCE should be 0. When replacing the ASCE in s390replaceasce, the index of the new ASCE should also be set to 0. Having t...

CVE-2023-54092 KVM: s390: pv: fix index value of replaced ASCE

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pv: fix index value of replaced ASCE The index field of the struct page corresponding to a guest ASCE should be 0. When replacing the ASCE in s390replaceasce, the index of the new ASCE should also be set to 0. Having t...

Linux Distros Unpatched Vulnerability : CVE-2023-54092

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: s390: pv: fix index value of replaced ASCE The index field of the struct page corresponding to a guest ASCE should be 0. When replacing the ASCE in...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-414501)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-414501 advisory. A vulnerability was found in kvms390guestsidaop in the arch/s390/kvm/kvm-s390.c function in KVM for s390 in the Linux kernel. This flaw allows a local attacker with ...

EUVD-2022-15644

Malicious code in bioql PyPI...

Linux Distros Unpatched Vulnerability : CVE-2023-53205

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: KVM: s390/diag: fix racy access of physical cpu number in diag 9c handler We do check for...

CVE-2023-53205

In the Linux kernel, the following vulnerability has been resolved: KVM: s390/diag: fix racy access of physical cpu number in diag 9c handler We do check for target CPU == -1, but this might change at the time we are going to use it. Hold the physical target CPU in a local variable to avoid...

DEBIAN-CVE-2023-53205

In the Linux kernel, the following vulnerability has been resolved: KVM: s390/diag: fix racy access of physical cpu number in diag 9c handler We do check for target CPU == -1, but this might change at the time we are going to use it. Hold the physical target CPU in a local variable to avoid...

UBUNTU-CVE-2023-53205

In the Linux kernel, the following vulnerability has been resolved: KVM: s390/diag: fix racy access of physical cpu number in diag 9c handler We do check for target CPU == -1, but this might change at the time we are going to use it. Hold the physical target CPU in a local variable to avoid...

CVE-2023-53205

CVE-2023-53205 affects the Linux kernel KVM on s390, specifically the diag 9c handler where a race exists around the target CPU value (-1). The fix stores the physical target CPU in a local variable to prevent out-of-bounds accesses to CPU arrays. The CVE’s risk is described as high (CVSS v3.1: A...

CVE-2023-53205 KVM: s390/diag: fix racy access of physical cpu number in diag 9c handler

In the Linux kernel, the following vulnerability has been resolved: KVM: s390/diag: fix racy access of physical cpu number in diag 9c handler We do check for target CPU == -1, but this might change at the time we are going to use it. Hold the physical target CPU in a local variable to avoid...

PT-2026-4368

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description A flaw exists in the Linux kernel’s KVM component related to the gmap helper zap one page function. Missing checks within this function could lead to memory corruption in guest virtual...

DEBIAN-CVE-2024-43819

In the Linux kernel, the following vulnerability has been resolved: kvm: s390: Reject memory region operations for ucontrol VMs This change rejects the KVMSETUSERMEMORYREGION and KVMSETUSERMEMORYREGION2 ioctls when called on a ucontrol VM. This is necessary since ucontrol VMs have kvm-arch.gmap s...

kernel: KVM: s390: fix setting of fpc register

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: fix setting of fpc register kvmarchvcpuioctlsetfpu allows to set the floating point control fpc register of a guest cpu. The new value is tested for validity by temporarily loading it into the fpc register. This may le...

CVE-2023-52639 KVM: s390: vsie: fix race during shadow creation

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: vsie: fix race during shadow creation Right now it is possible to see gmap-private being zero in kvms390vsiegmapnotifier resulting in a crash. This is due to the fact that we add gmap-private == kvm after creation:...

CVE-2023-52639 KVM: s390: vsie: fix race during shadow creation

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: vsie: fix race during shadow creation Right now it is possible to see gmap-private being zero in kvms390vsiegmapnotifier resulting in a crash. This is due to the fact that we add gmap-private == kvm after creation:...

UBUNTU-CVE-2023-52597

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: fix setting of fpc register kvmarchvcpuioctlsetfpu allows to set the floating point control fpc register of a guest cpu. The new value is tested for validity by temporarily loading it into the fpc register. This may le...

SUSE CVE-2022-0516

A vulnerability was found in kvms390guestsidaop in the arch/s390/kvm/kvm-s390.c function in KVM for s390 in the Linux kernel. This flaw allows a local attacker with a normal user privilege to obtain unauthorized memory write access. This flaw affects Linux kernel versions prior to 5.17-rc4...