Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a double release in the error path of cpufreqdbsgovernorinit. After kobjectput, the functions exi...

The vulnerability of the qcom_cpufreq_probe() function in the drivers/cpufreq/qcom-cpufreq-nvmem.c file of the Linux kernel’s CPU frequency scaling driver allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the qcomcpufreqprobe function in the drivers/cpufreq/qcom-cpufreq-nvmem.c file, a driver for scaling CPU frequency in the Linux operating system, is related to the copying of buffers without checking their size—a classic buffer overflow attack. Exploiting this vulnerability...

Unity Linux 20.1060a Security Update: kernel (UTSA-2026-014345)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-014345 advisory. In the Linux kernel, the following vulnerability has been resolved: cpufreq: amd-pstate: add check for cpufreqcpuget's return value cpufreqcpuget may return NULL. To...

Unity Linux 20.1060a Security Update: kernel (UTSA-2026-014348)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-014348 advisory. In the Linux kernel, the following vulnerability has been resolved: cppccpufreq: Fix possible null pointer dereference cppccpufreqgetrate and hisicppccpufreqgetrate...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013754)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013754 advisory. In the Linux kernel, the following vulnerability has been resolved: cpufreq: qcom-hw: Fix memory leak in qcomcpufreqhwreadlut If cpudev fails to get opp table in...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013641)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013641 advisory. In the Linux kernel, the following vulnerability has been resolved: cpufreq: qcom: fix memory leak in error path If for some reason the speedbin length is incorrect,...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011262)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011262 advisory. In the Linux kernel, the following vulnerability has been resolved: cpufreq: Init completion before kobjectinitandadd In cpufreqpolicyalloc, it will call uninitialed...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-007014)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007014 advisory. In the Linux kernel, the following vulnerability has been resolved: cpufreq: Init completion before kobjectinitandadd In cpufreqpolicyalloc, it will call uninitialed...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011307)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011307 advisory. In the Linux kernel, the following vulnerability has been resolved: cpufreq/longhaul: handle NULL policy in longhaulexit longhaulexit was calling cpufreqcpuget0...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-012976)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-012976 advisory. In the Linux kernel, the following vulnerability has been resolved: cpufreq/longhaul: handle NULL policy in longhaulexit longhaulexit was calling cpufreqcpuget0...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007306)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007306 advisory. In the Linux kernel, the following vulnerability has been resolved: cpufreq: brcmstb-avs-cpufreq: add check for cpufreqcpuget's return value cpufreqcpuget may return...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007482)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007482 advisory. In the Linux kernel, the following vulnerability has been resolved: cpufreq/longhaul: handle NULL policy in longhaulexit longhaulexit was calling cpufreqcpuget0...

The vulnerability of the davinci_cpufreq_probe() function in the drivers/cpufreq/davinci-cpufreq.c module of the Linux kernel’s frequency scaling driver allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the davincicpufreqprobe function in the drivers/cpufreq/davinci-cpufreq.c module of the Linux kernel frequency scaling driver is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality,...

EUVD-2026-15292

In the Linux kernel, the following vulnerability has been resolved: cpufreq: intelpstate: Fix crash during turbo disable When the system is booted with kernel command line argument "nosmt" or "maxcpus" to limit the number of CPUs, disabling turbo via: echo 1...

UBUNTU-CVE-2026-23332

In the Linux kernel, the following vulnerability has been resolved: cpufreq: intelpstate: Fix crash during turbo disable When the system is booted with kernel command line argument "nosmt" or "maxcpus" to limit the number of CPUs, disabling turbo via: echo 1...

CVE-2026-23332

In the Linux kernel, the following vulnerability has been resolved: cpufreq: intelpstate: Fix crash during turbo disable When the system is booted with kernel command line argument "nosmt" or "maxcpus" to limit the number of CPUs, disabling turbo via: echo 1...

CVE-2026-23332 cpufreq: intel_pstate: Fix crash during turbo disable

In the Linux kernel, the following vulnerability has been resolved: cpufreq: intelpstate: Fix crash during turbo disable When the system is booted with kernel command line argument "nosmt" or "maxcpus" to limit the number of CPUs, disabling turbo via: echo 1...

CVE-2026-23332

In the Linux kernel, the following vulnerability has been resolved: cpufreq: intelpstate: Fix crash during turbo disable When the system is booted with kernel command line argument "nosmt" or "maxcpus" to limit the number of CPUs, disabling turbo via: echo 1...

CVE-2026-23332

The CVE-2026-23332 issue affects the Linux kernel cpufreq/ intel_pstate driver. When booted with nosmt or maxcpus and attempting to disable turbo via /sys/devices/system/cpu/intel_pstate/no_turbo, a NULL pointer dereference can occur because for_each_possible_cpu() may consider offline CPUs and a...

CVE-2026-23332 cpufreq: intel_pstate: Fix crash during turbo disable

In the Linux kernel, the following vulnerability has been resolved: cpufreq: intelpstate: Fix crash during turbo disable When the system is booted with kernel command line argument "nosmt" or "maxcpus" to limit the number of CPUs, disabling turbo via: echo 1...