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CVE-2021-29266

Опубликовано: 14 мар. 2021
Источник: redhat
CVSS3: 7.8
EPSS Низкий

Описание

An issue was discovered in the Linux kernel before 5.11.9. drivers/vhost/vdpa.c has a use-after-free because v->config_ctx has an invalid value upon re-opening a character device, aka CID-f6bbf0010ba0.

A flaw was found in the Linux kernel. An invalid value upon reopening a character device can cause a use-after-free memory corruption. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 6kernelNot affected
Red Hat Enterprise Linux 7kernelNot affected
Red Hat Enterprise Linux 7kernel-altNot affected
Red Hat Enterprise Linux 7kernel-rtNot affected
Red Hat Enterprise Linux 8kernelNot affected
Red Hat Enterprise Linux 8kernel-rtNot affected
Red Hat Enterprise Linux 9kernelNot affected

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Дополнительная информация

Статус:

Important
Дефект:
CWE-416
https://bugzilla.redhat.com/show_bug.cgi?id=1944700kernel: use-after-free in drivers/vhost/vdpa.c because v->config_ctx has an invalid value upon re-opening a character device

EPSS

Процентиль: 30%
0.00107
Низкий

7.8 High

CVSS3

Связанные уязвимости

CVSS3: 7.8
ubuntu
около 4 лет назад

An issue was discovered in the Linux kernel before 5.11.9. drivers/vhost/vdpa.c has a use-after-free because v->config_ctx has an invalid value upon re-opening a character device, aka CID-f6bbf0010ba0.

CVSS3: 7.8
nvd
около 4 лет назад

An issue was discovered in the Linux kernel before 5.11.9. drivers/vhost/vdpa.c has a use-after-free because v->config_ctx has an invalid value upon re-opening a character device, aka CID-f6bbf0010ba0.

CVSS3: 7.8
msrc
около 4 лет назад

Описание отсутствует

CVSS3: 7.8
debian
около 4 лет назад

An issue was discovered in the Linux kernel before 5.11.9. drivers/vho ...

CVSS3: 7.8
github
около 3 лет назад

An issue was discovered in the Linux kernel before 5.11.9. drivers/vhost/vdpa.c has a use-after-free because v->config_ctx has an invalid value upon re-opening a character device, aka CID-f6bbf0010ba0.

EPSS

Процентиль: 30%
0.00107
Низкий

7.8 High

CVSS3