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CVE-2026-93281

Опубликовано: 24 сент. 2026
Источник: redhat
CVSS3: 5.5
EPSS Низкий

Описание

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: fix HE extended capability length check rtw89_mac_check_he_obss_narrow_bw_ru_iter() reads extended capability byte 10, but rejects only datalen values below 10. Byte 10 requires at least 11 bytes. Require datalen >= 11 before reading data[10].

A flaw was found in the Linux kernel's Realtek Wi-Fi driver (rtw89). This vulnerability may allow an attacker within wireless range to cause a Denial of Service (DoS) via a system crash. By transmitting a crafted wireless frame with malformed capability information, an attacker can trigger an improper length check leading to an out-of-bounds memory read.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 10kernelFix deferred
Red Hat Enterprise Linux 6kernelNot affected
Red Hat Enterprise Linux 7kernelNot affected
Red Hat Enterprise Linux 7kernel-rtNot affected
Red Hat Enterprise Linux 8kernelFix deferred
Red Hat Enterprise Linux 8kernel-rtFix deferred
Red Hat Enterprise Linux 9kernelFix deferred
Red Hat Enterprise Linux 9kernel-rtFix deferred
Red Hat OpenShift Container Platform 4openshift/ose-rhel-coreos-8Not affected
Red Hat OpenShift Container Platform 4openshift/ose-rhel-coreos-9Fix deferred

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-125
https://bugzilla.redhat.com/show_bug.cgi?id=2540350kernel: wifi: rtw89: fix HE extended capability length check

EPSS

Процентиль: 8%
0.00192
Низкий

5.5 Medium

CVSS3

Связанные уязвимости

ubuntu
19 дней назад

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: fix HE extended capability length check rtw89_mac_check_he_obss_narrow_bw_ru_iter() reads extended capability byte 10, but rejects only datalen values below 10. Byte 10 requires at least 11 bytes. Require datalen >= 11 before reading data[10].

nvd
19 дней назад

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: fix HE extended capability length check rtw89_mac_check_he_obss_narrow_bw_ru_iter() reads extended capability byte 10, but rejects only datalen values below 10. Byte 10 requires at least 11 bytes. Require datalen >= 11 before reading data[10].

CVSS3: 5.4
msrc
15 дней назад

wifi: rtw89: fix HE extended capability length check

debian
19 дней назад

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

github
18 дней назад

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: fix HE extended capability length check rtw89_mac_check_he_obss_narrow_bw_ru_iter() reads extended capability byte 10, but rejects only datalen values below 10. Byte 10 requires at least 11 bytes. Require datalen >= 11 before reading data[10].

EPSS

Процентиль: 8%
0.00192
Низкий

5.5 Medium

CVSS3