DEBIAN-CVE-2022-48715

In the Linux kernel, the following vulnerability has been resolved: scsi: bnx2fc: Make bnx2fcrecvframe mp safe Running tests with a debug kernel shows that bnx2fcrecvframe is modifying the percpu lport stats counters in a non-mpsafe way. Just boot a debug kernel and run the bnx2fc driver with the...

CVE-2022-48765 KVM: LAPIC: Also cancel preemption timer during SET_LAPIC

In the Linux kernel, the following vulnerability has been resolved: KVM: LAPIC: Also cancel preemption timer during SETLAPIC The below warning is splatting during guest reboot. ------------ cut here ------------ WARNING: CPU: 0 PID: 1931 at arch/x86/kvm/x86.c:10322 kvmarchvcpuioctlrun+0x874/0x880...

CVE-2022-48765 KVM: LAPIC: Also cancel preemption timer during SET_LAPIC

In the Linux kernel, the following vulnerability has been resolved: KVM: LAPIC: Also cancel preemption timer during SETLAPIC The below warning is splatting during guest reboot. ------------ cut here ------------ WARNING: CPU: 0 PID: 1931 at arch/x86/kvm/x86.c:10322 kvmarchvcpuioctlrun+0x874/0x880...

CVE-2022-48765

The CVE-2022-48765 entry corresponds to a Linux kernel issue in KVM LAPIC handling during SET_LAPIC. The accompanying (unpatched) Nessus/OpenVAS notes describe a scenario where rebooting a guest with tsc-deadline mode not exposed can trigger a preemption timer cancellation via apic_update_lvtt(),...

CVE-2022-48765 KVM: LAPIC: Also cancel preemption timer during SET_LAPIC

In the Linux kernel, the following vulnerability has been resolved: KVM: LAPIC: Also cancel preemption timer during SETLAPIC The below warning is splatting during guest reboot. ------------ cut here ------------ WARNING: CPU: 0 PID: 1931 at arch/x86/kvm/x86.c:10322 kvmarchvcpuioctlrun+0x874/0x880...

CVE-2022-48765

In the Linux kernel, the following vulnerability has been resolved: KVM: LAPIC: Also cancel preemption timer during SETLAPIC The below warning is splatting during guest reboot. ------------ cut here ------------ WARNING: CPU: 0 PID: 1931 at arch/x86/kvm/x86.c:10322 kvmarchvcpuioctlrun+0x874/0x880...

CVE-2022-48765

In the Linux kernel, the following vulnerability has been resolved: KVM: LAPIC: Also cancel preemption timer during SETLAPIC The below warning is splatting during guest reboot. ------------ cut here ------------ WARNING: CPU: 0 PID: 1931 at arch/x86/kvm/x86.c:10322 kvmarchvcpuioctlrun+0x874/0x880...

Linux kernel security vulnerabilities

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 KVM:LAPIC module de-preempting the preemption timer during SETLAPIC...

PT-2024-9025 · Linux +4 · Linux Kernel +4

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The vulnerability is related to the workqueue component in the Linux kernel. It causes a crash when calling arch vcpu is preempted for an offline CPU. The issue arises due to the...

kernel: scsi: qla2xxx: Use raw_smp_processor_id() instead of smp_processor_id()

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Use rawsmpprocessorid instead of smpprocessorid The following call trace was observed: localhost kernel: nvme nvme0: NVME-FC0: controller connect complete localhost kernel: BUG: using smpprocessorid in preemptible...

CVE-2021-47454

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 CPU is offlined and then onlined again, we get: BUG: scheduling while atomic: swapper/1/0/0x00000000 no locks held by swapper/1/0...

CVE-2021-47449

In the Linux kernel, the following vulnerability has been resolved: ice: fix locking for Tx timestamp tracking flush Commit 4dd0d5c33c3e "ice: add lock around Tx timestamp tracker flush" added a lock around the Tx timestamp tracker flow which is used to cleanup any left over SKBs and prepare for...

DEBIAN-CVE-2021-47454

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 CPU is offlined and then onlined again, we get: BUG: scheduling while atomic: swapper/1/0/0x00000000 no locks held by swapper/1/0...

UBUNTU-CVE-2021-47454

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 CPU is offlined and then onlined again, we get: BUG: scheduling while atomic: swapper/1/0/0x00000000 no locks held by swapper/1/0...

CVE-2021-47454

CVE-2021-47454 describes a Linux kernel vulnerability affecting powerpc SMP idle handling. The issue arises with PREEMPT_COUNT=y: when a CPU is offlined and onlined, the idle task’s preempt count could be decremented in CPU offline, triggering a scheduling panic. The root cause is that powerpc ar...

CVE-2021-47449 ice: fix locking for Tx timestamp tracking flush

In the Linux kernel, the following vulnerability has been resolved: ice: fix locking for Tx timestamp tracking flush Commit 4dd0d5c33c3e "ice: add lock around Tx timestamp tracker flush" added a lock around the Tx timestamp tracker flow which is used to cleanup any left over SKBs and prepare for...

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 originates from a reduction in the idle task preemption count when the CPU is offline...

DEBIAN-CVE-2023-52791

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 if preemption is disabled. However, non-atomic i2c transfers require preemption e.g. in waitforcompletion while waiting for the DMA...

CVE-2023-52791

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 if preemption is disabled. However, non-atomic i2c transfers require preemption e.g. in waitforcompletion while waiting for the DMA...

UBUNTU-CVE-2023-52791

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 if preemption is disabled. However, non-atomic i2c transfers require preemption e.g. in waitforcompletion while waiting for the DMA...