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CVE-2026-63940

Опубликовано: 21 июл. 2026
Источник: msrc
CVSS3: 7.7
EPSS Низкий

Описание

KVM: SEV: Ignore Port I/O requests of length '0'

EPSS

Процентиль: 8%
0.0018
Низкий

7.7 High

CVSS3

Связанные уязвимости

CVSS3: 9.3
ubuntu
13 дней назад

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Ignore Port I/O requests of length '0' Explicitly ignore Port I/O requests of length '0' (or count '0'), so that setting up the software scratch area (and other code) doesn't have to worry about underflowing the length, and to allow for WARNing on trying to configure the scratch area with len==0.

CVSS3: 7
redhat
14 дней назад

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Ignore Port I/O requests of length '0' Explicitly ignore Port I/O requests of length '0' (or count '0'), so that setting up the software scratch area (and other code) doesn't have to worry about underflowing the length, and to allow for WARNing on trying to configure the scratch area with len==0.

CVSS3: 9.3
nvd
13 дней назад

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Ignore Port I/O requests of length '0' Explicitly ignore Port I/O requests of length '0' (or count '0'), so that setting up the software scratch area (and other code) doesn't have to worry about underflowing the length, and to allow for WARNing on trying to configure the scratch area with len==0.

CVSS3: 9.3
debian
13 дней назад

In the Linux kernel, the following vulnerability has been resolved: K ...

CVSS3: 9.3
github
13 дней назад

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Ignore Port I/O requests of length '0' Explicitly ignore Port I/O requests of length '0' (or count '0'), so that setting up the software scratch area (and other code) doesn't have to worry about underflowing the length, and to allow for WARNing on trying to configure the scratch area with len==0.

EPSS

Процентиль: 8%
0.0018
Низкий

7.7 High

CVSS3