CVE-2026-23215

In the Linux kernel, the following vulnerability has been resolved: x86/vmware: Fix hypercall clobbers Fedora QA reported the following panic: BUG: unable to handle page fault for address: 0000000040003e54 PF: supervisor write access in kernel mode PF: errorcode0x0002 - not-present page Hardware...

CVE-2026-23215 x86/vmware: Fix hypercall clobbers

In the Linux kernel, the following vulnerability has been resolved: x86/vmware: Fix hypercall clobbers Fedora QA reported the following panic: BUG: unable to handle page fault for address: 0000000040003e54 PF: supervisor write access in kernel mode PF: errorcode0x0002 - not-present page Hardware...

CVE-2026-23215

In the Linux kernel, the following vulnerability has been resolved: x86/vmware: Fix hypercall clobbers Fedora QA reported the following panic: BUG: unable to handle page fault for address: 0000000040003e54 PF: supervisor write access in kernel mode PF: errorcode0x0002 - not-present page Hardware...

CVE-2026-23215

CVE-2026-23215 affects the Linux kernel’s x86/vmware code. The issue arises from buggy QEMU VMware mouse emulation that clobbers the top 32 bits of the RDI/RSI state across hypercalls, causing page faults when dereferencing a saved kernel stack address. The kernel workaround marks RDI/RSI as clob...

CVE-2026-23215 x86/vmware: Fix hypercall clobbers

In the Linux kernel, the following vulnerability has been resolved: x86/vmware: Fix hypercall clobbers Fedora QA reported the following panic: BUG: unable to handle page fault for address: 0000000040003e54 PF: supervisor write access in kernel mode PF: errorcode0x0002 - not-present page Hardware...

Linux Distros Unpatched Vulnerability : CVE-2026-23215

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - x86/vmware: Fix hypercall clobbers Fedora QA reported the following panic: BUG: unable to handle page fault for address: 0000000040003e54 PF: supervisor write...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001079)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001079 advisory. arch/powerpc/kvm/book3shvrmhandlers.S in the Linux kernel through 4.7 on PowerPC platforms, when CONFIGKVMBOOK3S64HV is enabled, allows guest OS users to cause a...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003470)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003470 advisory. arch/powerpc/kvm/book3shvrmhandlers.S in the Linux kernel through 4.7 on PowerPC platforms, when CONFIGKVMBOOK3S64HV is enabled, allows guest OS users to cause a...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003244)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003244 advisory. arch/powerpc/kvm/book3shvrmhandlers.S in the Linux kernel through 4.7 on PowerPC platforms, when CONFIGKVMBOOK3S64HV is enabled, allows guest OS users to cause a...

PT-2026-20427

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw related to hypercall clobbers within the x86/vmware component. Specifically, the QEMU VMware mouse emulation incorrectly clears the upper 32 bits of the...

EUVD-2023-60469

In the Linux kernel, the following vulnerability has been resolved: x86/hyperv: Disable IBT when hypercall page lacks ENDBR instruction On hardware that supports Indirect Branch Tracking IBT, Hyper-V VMs with ConfigVersion 9.3 or later support IBT in the guest. However, current versions of Hyper-...

CVE-2023-54172

In the Linux kernel, the following vulnerability has been resolved: x86/hyperv: Disable IBT when hypercall page lacks ENDBR instruction On hardware that supports Indirect Branch Tracking IBT, Hyper-V VMs with ConfigVersion 9.3 or later support IBT in the guest. However, current versions of Hyper-...

CVE-2023-54172

In the Linux kernel, the following vulnerability has been resolved: x86/hyperv: Disable IBT when hypercall page lacks ENDBR instruction On hardware that supports Indirect Branch Tracking IBT, Hyper-V VMs with ConfigVersion 9.3 or later support IBT in the guest. However, current versions of Hyper-...

UBUNTU-CVE-2023-54172

In the Linux kernel, the following vulnerability has been resolved: x86/hyperv: Disable IBT when hypercall page lacks ENDBR instruction On hardware that supports Indirect Branch Tracking IBT, Hyper-V VMs with ConfigVersion 9.3 or later support IBT in the guest. However, current versions of Hyper-...

CVE-2023-54172 x86/hyperv: Disable IBT when hypercall page lacks ENDBR instruction

In the Linux kernel, the following vulnerability has been resolved: x86/hyperv: Disable IBT when hypercall page lacks ENDBR instruction On hardware that supports Indirect Branch Tracking IBT, Hyper-V VMs with ConfigVersion 9.3 or later support IBT in the guest. However, current versions of Hyper-...

CVE-2023-54172

CVE-2023-54172 affects the Linux kernel's x86/hyperv integration. The vulnerability arose because Hyper-V VMs with ConfigVersion 9.3+ support IBT in the guest, but the hypercall page could be missing ENDBR64. Since hypercalls use an indirect call to the hypercall page, this caused an exception an...

CVE-2023-54172 x86/hyperv: Disable IBT when hypercall page lacks ENDBR instruction

In the Linux kernel, the following vulnerability has been resolved: x86/hyperv: Disable IBT when hypercall page lacks ENDBR instruction On hardware that supports Indirect Branch Tracking IBT, Hyper-V VMs with ConfigVersion 9.3 or later support IBT in the guest. However, current versions of Hyper-...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the lack of an ENDBR instruction on the hypercall page, which could lead to a kernel panic...

Linux Distros Unpatched Vulnerability : CVE-2023-54172

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - x86/hyperv: Disable IBT when hypercall page lacks ENDBR instruction On hardware that supports Indirect Branch Tracking IBT, Hyper-V VMs with ConfigVersion 9.3 o...

CVE-2023-53996

In the Linux kernel, the following vulnerability has been resolved: x86/sev: Make encdechypercall accept a size instead of npages encdechypercall accepted a page count instead of a size, which forced its callers to round up. As a result, non-page aligned vaddrs caused pages to be spuriously marke...