PT-2025-51584

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue related to the handling of the XFD state during signal delivery. Specifically, when a non-AMX task is preempted by an AMX-enabled task that modifies th...

CVE-2023-53756

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Fix crash due to uninitialized currentvmcs KVM enables 'Enlightened VMCS' and 'Enlightened MSR Bitmap' when running as a nested hypervisor on top of Hyper-V. When MSR bitmap is updated, evmcstouchmsrbitmap function uses...

CVE-2023-53756

Summary of CVE-2023-53756 (CVE-2023-53756) : The issue is in KVM with Intel VMX where MSR bitmap updates could use a per-CPU current_vmcs that may be uninitialized, allowing a NULL-dereference and potential crash on nested Hyper-V configurations. The root cause is the check for current_vmcs in ev...

CVE-2023-53756 KVM: VMX: Fix crash due to uninitialized current_vmcs

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Fix crash due to uninitialized currentvmcs KVM enables 'Enlightened VMCS' and 'Enlightened MSR Bitmap' when running as a nested hypervisor on top of Hyper-V. When MSR bitmap is updated, evmcstouchmsrbitmap function uses...

CVE-2023-53756

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Fix crash due to uninitialized currentvmcs KVM enables 'Enlightened VMCS' and 'Enlightened MSR Bitmap' when running as a nested hypervisor on top of Hyper-V. When MSR bitmap is updated, evmcstouchmsrbitmap function uses...

PT-2025-49486

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Fix crash due to uninitialized current vmcs KVM enables 'Enlightened VMCS' and 'Enlightened MSR Bitmap' when running as a nested hypervisor on top of Hyper-V. When MSR bitmap is updated, evmcs touch msr bitmap function...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-990801)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990801 advisory. In the Linux kernel, the following vulnerability has been resolved: tcp: tcpmakesynack can be called from process context tcprtxsynack now could be called in process...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990601)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990601 advisory. In the Linux kernel, the following vulnerability has been resolved: tcp: tcprtxsynack can be called from process context Laurent reported the enclosed report 1 This...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990225)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990225 advisory. In the Linux kernel, the following vulnerability has been resolved: dropmonitor: replace spinlock by rawspinlock tracedropcommon is called with preemption disabled,...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989641)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989641 advisory. In the Linux kernel, the following vulnerability has been resolved: tcp: tcprtxsynack can be called from process context Laurent reported the enclosed report 1 This...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989554)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989554 advisory. In the Linux kernel, the following vulnerability has been resolved: scsi: hisisas: Add condresched for no forced preemption model For no forced preemption model...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989491)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989491 advisory. In the Linux kernel, the following vulnerability has been resolved: powerpc/smp: do not decrement idle task preempt count in CPU offline With PREEMPTCOUNT=y, when a...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989969)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989969 advisory. In the Linux kernel, the following vulnerability has been resolved: i2c: core: Run atomic i2c xfer when !preemptible Since bae1d3a05a8b, i2c transfers are non-atomic...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990364)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990364 advisory. In the Linux kernel, the following vulnerability has been resolved: scsi: hisisas: Add condresched for no forced preemption model For no forced preemption model...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988839)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988839 advisory. In the Linux kernel, the following vulnerability has been resolved: tcp: tcprtxsynack can be called from process context Laurent reported the enclosed report 1 This...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989921)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989921 advisory. In the Linux kernel, the following vulnerability has been resolved: i2c: core: Run atomic i2c xfer when !preemptible Since bae1d3a05a8b, i2c transfers are non-atomic...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Input: gpio-keys – fix a sleep while atomic with PREEMPTRT. When PREEMPTRT is enabled, the gpiokeysirqtimer callback runs in the hardirq context. However, the inputevent function takes a spinlock, which is not allowed in that...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: xfrm: State: Initialize stateptrs earlier in xfrmstatefind In cases of preemption, xfrmstatelookat will find a different pcpuid and look up states for that other CPU. If a state is matched for CPU2 in the statecache while the...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: netsched: genestimator: fix esttimer vs CONFIGPREEMPTRT=y The syzbot reported a warning in esttimer 1. The problem arises from the fact that when CONFIGPREEMPTRT=y is enabled, timer callbacks can be preempted...

SUSE CVE-2023-53694

In the Linux kernel, the following vulnerability has been resolved: riscv: ftrace: Fixup panic by disabling preemption In RISCV, we must use an AUIPC + JALR pair to encode an immediate, forming a jump that jumps to an address over 4K. This may cause errors if we want to enable kernel preemption a...