CVE-2021-47553 sched/scs: Reset task stack state in bringup_cpu()

In the Linux kernel, the following vulnerability has been resolved: sched/scs: Reset task stack state in bringupcpu To hot unplug a CPU, the idle task on that CPU calls a few layers of C code before finally leaving the kernel. When KASAN is in use, poisoned shadow is left around for each of the...

SUSE CVE-2023-52794

In the Linux kernel, the following vulnerability has been resolved: thermal: intel: powerclamp: fix mismatch in get function for maxidle KASAN reported this 444.853098 BUG: KASAN: global-out-of-bounds in paramgetint+0x77/0x90 444.853111 Read of size 4 at addr ffffffffc16c9220 by task cat/2105...

kernel: ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: idle: Check acpifetchacpidev return value The return value of acpifetchacpidev could be NULL, which would cause a NULL pointer dereference to occur in acpidevicehid. rjw: Subject and changelog edits, added empty...

CVE-2021-47414

In the Linux kernel, the following vulnerability has been resolved: riscv: Flush current cpu icache before other cpus On SiFive Unmatched, I recently fell onto the following BUG when booting: 0.000000 ftrace: allocating 36610 entries in 144 pages 0.000000 Oops - illegal instruction 1 0.000000...

DEBIAN-CVE-2021-47465

In the Linux kernel, the following vulnerability has been resolved: KVM: PPC: Book3S HV: Fix stack handling in idlekvmstartguest In commit 10d91611f426 "powerpc/64s: Reimplement book3s idle code in C" kvmstartguest became idlekvmstartguest. The old code allocated a stack frame on the emergency...

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...

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...

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-2023-52794

In the Linux kernel, the following vulnerability has been resolved: thermal: intel: powerclamp: fix mismatch in get function for maxidle KASAN reported this 444.853098 BUG: KASAN: global-out-of-bounds in paramgetint+0x77/0x90 444.853111 Read of size 4 at addr ffffffffc16c9220 by task cat/2105...

UBUNTU-CVE-2023-52794

In the Linux kernel, the following vulnerability has been resolved: thermal: intel: powerclamp: fix mismatch in get function for maxidle KASAN reported this 444.853098 BUG: KASAN: global-out-of-bounds in paramgetint+0x77/0x90 444.853111 Read of size 4 at addr ffffffffc16c9220 by task cat/2105...

SUSE CVE-2024-35809

In the Linux kernel, the following vulnerability has been resolved: PCI/PM: Drain runtime-idle callbacks before driver removal A race condition between the .runtimeidle callback and the .remove callback in the rtsxpcr PCI driver leads to a kernel crash due to an unhandled page fault 1. The proble...

Medium: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: disallow timeout for anonymous sets CVE-2023-52620 createemptylvol in drivers/mtd/ubi/vtbl.c in the Linux kernel through 6.7.4 can attempt to allocate zero bytes, and crash, because of a missi...

DEBIAN-CVE-2023-52683

In the Linux kernel, the following vulnerability has been resolved: ACPI: LPIT: Avoid u32 multiplication overflow In lpitupdateresidency there is a possibility of overflow in multiplication, if tsckhz is large enough UINTMAX/1000. Change multiplication to mulu32u32. Found by Linux Verification...

DEBIAN-CVE-2024-35809

In the Linux kernel, the following vulnerability has been resolved: PCI/PM: Drain runtime-idle callbacks before driver removal A race condition between the .runtimeidle callback and the .remove callback in the rtsxpcr PCI driver leads to a kernel crash due to an unhandled page fault 1. The proble...

UBUNTU-CVE-2024-35809

In the Linux kernel, the following vulnerability has been resolved: PCI/PM: Drain runtime-idle callbacks before driver removal A race condition between the .runtimeidle callback and the .remove callback in the rtsxpcr PCI driver leads to a kernel crash due to an unhandled page fault 1. The proble...

SUSE CVE-2024-26894

In the Linux kernel, the following vulnerability has been resolved: ACPI: processoridle: Fix memory leak in acpiprocessorpowerexit After unregistering the CPU idle device, the memory associated with it is not freed, leading to a memory leak: unreferenced object 0xffff896282f6c000 size 1024: comm...

DEBIAN-CVE-2024-26894

In the Linux kernel, the following vulnerability has been resolved: ACPI: processoridle: Fix memory leak in acpiprocessorpowerexit After unregistering the CPU idle device, the memory associated with it is not freed, leading to a memory leak: unreferenced object 0xffff896282f6c000 size 1024: comm...

CVE-2024-26894

In the Linux kernel, the following vulnerability has been resolved: ACPI: processoridle: Fix memory leak in acpiprocessorpowerexit After unregistering the CPU idle device, the memory associated with it is not freed, leading to a memory leak: unreferenced object 0xffff896282f6c000 size 1024: comm...