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 in ptrace for the ARM64 architecture that fails to initialize the temporary variable fpmr when processing...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix potential context UAFs CVE-2023-52913 In the Linux kernel, the following vulnerability has been resolved: dm-crypt, dm-verity: disable tasklets CVE-2024-26718 In the Linux kernel, the following...

USN-7196-1: Linux kernel (Azure) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S390 architecture; -...

USN-7154-2: Linux kernel (HWE) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S390 architecture; -...

SUSE CVE-2024-53195

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Get rid of userspaceirqchipinuse Improper use of userspaceirqchipinuse led to syzbot hitting the following WARNON in kvmtimerupdateirq: WARNING: CPU: 0 PID: 3281 at arch/arm64/kvm/archtimer.c:459...

AZL-68303 CVE-2024-53195 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Get rid of userspaceirqchipinuse Improper use of userspaceirqchipinuse led to syzbot hitting the following WARNON in kvmtimerupdateirq: WARNING: CPU: 0 PID: 3281 at arch/arm64/kvm/archtimer.c:459...

CVE-2024-53196

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Don't retire aborted MMIO instruction Returning an abort to the guest for an unsupported MMIO access is a documented feature of the KVM UAPI. Nevertheless, it's clear that this plumbing has seen limited testing, since...

DEBIAN-CVE-2024-53195

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Get rid of userspaceirqchipinuse Improper use of userspaceirqchipinuse led to syzbot hitting the following WARNON in kvmtimerupdateirq: WARNING: CPU: 0 PID: 3281 at arch/arm64/kvm/archtimer.c:459...

DEBIAN-CVE-2024-53196

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Don't retire aborted MMIO instruction Returning an abort to the guest for an unsupported MMIO access is a documented feature of the KVM UAPI. Nevertheless, it's clear that this plumbing has seen limited testing, since...

UBUNTU-CVE-2024-53195

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Get rid of userspaceirqchipinuse Improper use of userspaceirqchipinuse led to syzbot hitting the following WARNON in kvmtimerupdateirq: WARNING: CPU: 0 PID: 3281 at arch/arm64/kvm/archtimer.c:459...

CVE-2024-53196

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Don't retire aborted MMIO instruction Returning an abort to the guest for an unsupported MMIO access is a documented feature of the KVM UAPI. Nevertheless, it's clear that this plumbing has seen limited testing, since...

CVE-2024-53195 KVM: arm64: Get rid of userspace_irqchip_in_use

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Get rid of userspaceirqchipinuse Improper use of userspaceirqchipinuse led to syzbot hitting the following WARNON in kvmtimerupdateirq: WARNING: CPU: 0 PID: 3281 at arch/arm64/kvm/archtimer.c:459...

CVE-2024-53195 KVM: arm64: Get rid of userspace_irqchip_in_use

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Get rid of userspaceirqchipinuse Improper use of userspaceirqchipinuse led to syzbot hitting the following WARNON in kvmtimerupdateirq: WARNING: CPU: 0 PID: 3281 at arch/arm64/kvm/archtimer.c:459...

CVE-2024-53195

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Get rid of userspaceirqchipinuse Improper use of userspaceirqchipinuse led to syzbot hitting the following WARNON in kvmtimerupdateirq: WARNING: CPU: 0 PID: 3281 at arch/arm64/kvm/archtimer.c:459...

CVE-2024-53195

CVE-2024-53195 : In the Linux kernel (arm64 KVM), a flawed use of userspace_irqchip_in_use can trigger a WARN_ON in kvm_timer_update_irq() during VM/vCPU interactions when a PMU (KVM_ARM_VCPU_PMU_V3) is requested but not fully initialized. The described scenario: a VM is created, vCPU initialized...

Ubuntu 20.04 LTS : Linux kernel (IoT) vulnerabilities (USN-7159-4)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7159-4 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

kernel: bpf: Fix a sdiv overflow issue

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a sdiv overflow issue Zac Ecob reported a problem where a bpf program may cause kernel crash due to the following error: Oops: divide error: 0000 1 PREEMPT SMP KASAN PTI The failure is due to the below signed divide:...

kernel: arm64: probes: Remove broken LDR (literal) uprobe support

In the Linux kernel, the following vulnerability has been resolved: arm64: probes: Remove broken LDR literal uprobe support The simulateldrliteral and simulateldrswliteral functions are unsafe to use for uprobes. Both functions were originally written for use with kprobes, and access memory with...

RHEL 9 : kernel-rt (RHSA-2024:11483)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:11483 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements...

USN-7159-3 linux-bluefield, linux-oracle, linux-oracle-5.4 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - S390 architecture; - x86 architecture; - Power management core; - GPU...