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CVE-2022-49962

Опубликовано: 18 июн. 2025
Источник: redhat
CVSS3: 7

Описание

In the Linux kernel, the following vulnerability has been resolved: xhci: Fix null pointer dereference in remove if xHC has only one roothub The remove path in xhci platform driver tries to remove and put both main and shared hcds even if only a main hcd exists (one roothub) This causes a null pointer dereference in reboot for those controllers. Check that the shared_hcd exists before trying to remove it.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 10kernelNot affected
Red Hat Enterprise Linux 6kernelOut of support scope
Red Hat Enterprise Linux 7kernelNot affected
Red Hat Enterprise Linux 7kernel-rtNot affected
Red Hat Enterprise Linux 8kernel-rtAffected
Red Hat Enterprise Linux 9kernel-rtAffected
Red Hat Enterprise Linux 8kernelFixedRHSA-2023:295116.05.2023
Red Hat Enterprise Linux 9kernelFixedRHSA-2023:245809.05.2023
Red Hat Enterprise Linux 9kernelFixedRHSA-2023:245809.05.2023

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-476
https://bugzilla.redhat.com/show_bug.cgi?id=2373582kernel: xhci: Fix null pointer dereference in remove if xHC has only one roothub

7 High

CVSS3

Связанные уязвимости

CVSS3: 5.5
ubuntu
около 1 года назад

In the Linux kernel, the following vulnerability has been resolved: xhci: Fix null pointer dereference in remove if xHC has only one roothub The remove path in xhci platform driver tries to remove and put both main and shared hcds even if only a main hcd exists (one roothub) This causes a null pointer dereference in reboot for those controllers. Check that the shared_hcd exists before trying to remove it.

CVSS3: 5.5
nvd
около 1 года назад

In the Linux kernel, the following vulnerability has been resolved: xhci: Fix null pointer dereference in remove if xHC has only one roothub The remove path in xhci platform driver tries to remove and put both main and shared hcds even if only a main hcd exists (one roothub) This causes a null pointer dereference in reboot for those controllers. Check that the shared_hcd exists before trying to remove it.

CVSS3: 5.5
debian
около 1 года назад

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

CVSS3: 5.5
github
около 1 года назад

In the Linux kernel, the following vulnerability has been resolved: xhci: Fix null pointer dereference in remove if xHC has only one roothub The remove path in xhci platform driver tries to remove and put both main and shared hcds even if only a main hcd exists (one roothub) This causes a null pointer dereference in reboot for those controllers. Check that the shared_hcd exists before trying to remove it.

CVSS3: 5.7
fstec
почти 4 года назад

Уязвимость функции xhci_plat_remove() в модуле drivers/usb/host/xhci-plat.c драйвера устройств шины USB ядра операционной системы Linux, позволяющая нарушителю, действующему удалённо, вызвать отказ в обслуживании

7 High

CVSS3