CVE-2024-46822 arm64: acpi: Harden get_cpu_for_acpi_id() against missing CPU entry

In the Linux kernel, the following vulnerability has been resolved: arm64: acpi: Harden getcpuforacpiid against missing CPU entry In a review discussion of the changes to support vCPU hotplug where a check was added on the GICC being enabled if was online, it was noted that there is need to map...

CVE-2024-46822

CVE-2024-46822 αφορά Linux kernel, prädominantemente为 ARM64 架构，涉及 acpi_map_gic_cpu_interface() 中对 MPIDR 检查失败时导致 cpu_madt_gicc[cpu] 为 NULL 的情况，从而可能造成空指针解引用。修复为对 get_cpu_for_acpi_id() 的调用路径进行强化，确保获取到有效 CPU 条目后再进行索引，避免空指针 dereference。相关公开资料（如 Astra Linux、CIRCL/CVE 记录）确认了该漏洞存在于内核实现并已通过 Harden get_cpu...

MGASA-2024-0317 Updated python3 packages fix security vulnerabilities

A defect was discovered in the Python “ssl” module where there is a memory race condition with the ssl.SSLContext methods “certstorestats” and “getcacerts”. The race condition can be triggered if the methods are called at the same time as certificates are loaded into the SSLContext, such as durin...

CLSA-2024-1727288321 linux-firmware: Fix of 2 CVEs

Update AMD CPU microcode for processor family 0x19: cpuid:0x00A00F10ver:0x0A00107A, cpuid:0x00A10F12ver:0x0A101248, cpuid:0x00AA0F02ver:0x0AA00215, cpuid:0x00A00F12ver:0x0A001238, cpuid:0x00A10F11ver:0x0A101148, cpuid:0x00A00F11ver:0x0A0011D5; - Update AMD CPU microcode for processor family 0x17:...

CVE-2024-20480

A vulnerability in the DHCP Snooping feature of Cisco IOS XE Software on Software-Defined Access SD-Access fabric edge nodes could allow an unauthenticated, remote attacker to cause high CPU utilization on an affected device, resulting in a denial of service DoS condition that requires a manual...

CVE-2024-20480

Cisco IOS XE Software SD-Access fabric edge nodes are affected by a Denial of Service vulnerability in the DHCP Snooping feature. The issue stems from improper handling of IPv4 DHCP packets, which could let an unauthenticated, remote attacker cause high CPU utilization and traffic processing halt...

CVE-2024-20480

A vulnerability in the DHCP Snooping feature of Cisco IOS XE Software on Software-Defined Access SD-Access fabric edge nodes could allow an unauthenticated, remote attacker to cause high CPU utilization on an affected device, resulting in a denial of service DoS condition that requires a manual...

CVE-2024-20480

A vulnerability in the DHCP Snooping feature of Cisco IOS XE Software on Software-Defined Access SD-Access fabric edge nodes could allow an unauthenticated, remote attacker to cause high CPU utilization on an affected device, resulting in a denial of service DoS condition that requires a manual...

Cisco IOS XE Software SD-Access Fabric Edge Node Denial of Service Vulnerability

A vulnerability in the DHCP Snooping feature of Cisco IOS XE Software on Software-Defined Access SD-Access fabric edge nodes could allow an unauthenticated, remote attacker to cause high CPU utilization on an affected device, resulting in a denial of service DoS condition that requires a manual...

PT-2024-6450 · Cisco · Cisco Ios Xe

Name of the Vulnerable Software and Affected Versions: Cisco IOS XE Software affected versions not specified Description: The issue is related to a logical error in the DHCP Snooping feature of Cisco IOS XE Software, specifically due to improper handling of IPv4 DHCP packets. This could allow a...

Ubuntu 20.04 LTS : Linux kernel vulnerabilities (USN-7009-2)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7009-2 advisory. Chenyuan Yang discovered that the CEC driver driver in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to caus...

kernel: ACPI: processor_idle: Fix memory leak in acpi_processor_power_exit()

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...

kernel: dmaengine: idxd: Fix oops during rmmod on single-CPU platforms

This is a vulnerability in the Linux kernel's Data Movement Accelerator DMA engine, specifically affecting the Intel Data Streaming Accelerator IDXD driver. The issue arises during the removal rmmod of the idxd driver on systems with only one active CPU. In such scenarios, the driver's cleanup...

kernel: USB: class: cdc-wdm: Fix CPU lockup caused by excessive log messages

A vulnerability was found in the Linux kernel's CDC WDM driver, where excessive logging in the interrupt-URB completion callback could lead to CPU lockups, which occurs when the driver rapidly resubmits interrupt URBs after receiving a -EPROTO status, causing a backlog of error messages that...

kernel: cpufreq: amd-pstate: fix memory leak on CPU EPP exit

In the Linux kernel, the following vulnerability has been resolved: cpufreq: amd-pstate: fix memory leak on CPU EPP exit The cpudata memory from kzalloc in amdpstateeppcpuinit is not freed in the analogous exit function, so fix that. rjw: Subject and changelog edits...

kernel: cpufreq: exit() callback is optional

In the Linux kernel, the following vulnerability has been resolved: cpufreq: exit callback is optional The exit callback is optional and shouldn't be called without checking a valid pointer first. Also, we must clear freqtable pointer even if the exit callback isn't present...

kernel: dmaengine: idxd: Fix oops during rmmod on single-CPU platforms

This is a vulnerability in the Linux kernel's Data Movement Accelerator DMA engine, specifically affecting the Intel Data Streaming Accelerator IDXD driver. The issue arises during the removal rmmod of the idxd driver on systems with only one active CPU. In such scenarios, the driver's cleanup...

kernel: USB: class: cdc-wdm: Fix CPU lockup caused by excessive log messages

A vulnerability was found in the Linux kernel's CDC WDM driver, where excessive logging in the interrupt-URB completion callback could lead to CPU lockups, which occurs when the driver rapidly resubmits interrupt URBs after receiving a -EPROTO status, causing a backlog of error messages that...

kernel: cpufreq: amd-pstate: fix memory leak on CPU EPP exit

In the Linux kernel, the following vulnerability has been resolved: cpufreq: amd-pstate: fix memory leak on CPU EPP exit The cpudata memory from kzalloc in amdpstateeppcpuinit is not freed in the analogous exit function, so fix that. rjw: Subject and changelog edits...

kernel: KVM: arm64: vgic-v2: Check for non-NULL vCPU in vgic_v2_parse_attr()

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-v2: Check for non-NULL vCPU in vgicv2parseattr vgicv2parseattr is responsible for finding the vCPU that matches the user-provided CPUID, which of course may not be valid. If the ID is invalid, kvmgetvcpubyid...