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CVE-2021-4218

Опубликовано: 24 авг. 2022
Источник: debian

Описание

A flaw was found in the Linux kernel’s implementation of reading the SVC RDMA counters. Reading the counter sysctl panics the system. This flaw allows a local attacker with local access to cause a denial of service while the system reboots. The issue is specific to CentOS/RHEL.

Пакеты

ПакетСтатусВерсия исправленияРелизТип
linuxnot-affectedpackage

Примечания

  • https://bugzilla.redhat.com/show_bug.cgi?id=2048359

  • Issue is specific to CentOS/RHEL. In mainline, xprtrdma always used copy_to_user()

  • until the general conversion of sysctls to use a kernel buffer.

Связанные уязвимости

CVSS3: 5.5
ubuntu
больше 3 лет назад

A flaw was found in the Linux kernel’s implementation of reading the SVC RDMA counters. Reading the counter sysctl panics the system. This flaw allows a local attacker with local access to cause a denial of service while the system reboots. The issue is specific to CentOS/RHEL.

CVSS3: 5.5
redhat
около 4 лет назад

A flaw was found in the Linux kernel’s implementation of reading the SVC RDMA counters. Reading the counter sysctl panics the system. This flaw allows a local attacker with local access to cause a denial of service while the system reboots. The issue is specific to CentOS/RHEL.

CVSS3: 5.5
nvd
больше 3 лет назад

A flaw was found in the Linux kernel’s implementation of reading the SVC RDMA counters. Reading the counter sysctl panics the system. This flaw allows a local attacker with local access to cause a denial of service while the system reboots. The issue is specific to CentOS/RHEL.

CVSS3: 5.5
github
больше 3 лет назад

A flaw was found in the Linux kernel’s implementation of reading the SVC RDMA counters. Reading the counter sysctl panics the system. This flaw allows a local attacker with local access to cause a denial of service while the system reboots. The issue is specific to CentOS/RHEL.

CVSS3: 5.5
fstec
около 4 лет назад

Уязвимость компонента SVC RDMA ядра операционной системы CentOS, позволяющая нарушителю вызвать отказ в обслуживании