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CVE-2021-4203

Опубликовано: 29 сент. 2021
Источник: redhat
CVSS3: 5.8
EPSS Низкий

Описание

A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information.

A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information.

Меры по смягчению последствий

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 6kernelOut of support scope
Red Hat Enterprise Linux 7kernelOut of support scope
Red Hat Enterprise Linux 7kernel-rtOut of support scope
Red Hat Enterprise Linux 9kernelNot affected
Red Hat Enterprise Linux 8kernel-rtFixedRHSA-2022:197510.05.2022
Red Hat Enterprise Linux 8kernelFixedRHSA-2022:198810.05.2022
Red Hat Enterprise Linux 8.4 Extended Update Supportkernel-rtFixedRHSA-2022:563319.07.2022
Red Hat Enterprise Linux 8.4 Extended Update SupportkernelFixedRHSA-2022:562619.07.2022

Показывать по

Дополнительная информация

Статус:

Moderate
Дефект:
CWE-362->CWE-416
https://bugzilla.redhat.com/show_bug.cgi?id=2036934kernel: Race condition in races in sk_peer_pid and sk_peer_cred accesses

EPSS

Процентиль: 15%
0.00049
Низкий

5.8 Medium

CVSS3

Связанные уязвимости

CVSS3: 6.8
ubuntu
около 3 лет назад

A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information.

CVSS3: 6.8
nvd
около 3 лет назад

A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information.

CVSS3: 6.8
msrc
около 3 лет назад

Описание отсутствует

CVSS3: 6.8
debian
около 3 лет назад

A use-after-free read flaw was found in sock_getsockopt() in net/core/ ...

CVSS3: 6.8
github
около 3 лет назад

A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information.

EPSS

Процентиль: 15%
0.00049
Низкий

5.8 Medium

CVSS3