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CVE-2021-47616

Опубликовано: 19 июн. 2024
Источник: redhat
CVSS3: 5.6
EPSS Низкий

Описание

In the Linux kernel, the following vulnerability has been resolved: RDMA: Fix use-after-free in rxe_queue_cleanup On error handling path in rxe_qp_from_init() qp->sq.queue is freed and then rxe_create_qp() will drop last reference to this object. qp clean up function will try to free this queue one time and it causes UAF bug. Fix it by zeroing queue pointer after freeing queue in rxe_qp_from_init().

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 8kernelAffected
Red Hat Enterprise Linux 8kernel-rtAffected
Red Hat Enterprise Linux 9kernelAffected
Red Hat Enterprise Linux 9kernel-rtAffected

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Дополнительная информация

Статус:

Low
Дефект:
CWE-416
https://bugzilla.redhat.com/show_bug.cgi?id=2293263kernel: RDMA: Fix use-after-free in rxe_queue_cleanup

EPSS

Процентиль: 6%
0.00026
Низкий

5.6 Medium

CVSS3

Связанные уязвимости

CVSS3: 7.8
ubuntu
больше 1 года назад

In the Linux kernel, the following vulnerability has been resolved: RDMA: Fix use-after-free in rxe_queue_cleanup On error handling path in rxe_qp_from_init() qp->sq.queue is freed and then rxe_create_qp() will drop last reference to this object. qp clean up function will try to free this queue one time and it causes UAF bug. Fix it by zeroing queue pointer after freeing queue in rxe_qp_from_init().

CVSS3: 7.8
nvd
больше 1 года назад

In the Linux kernel, the following vulnerability has been resolved: RDMA: Fix use-after-free in rxe_queue_cleanup On error handling path in rxe_qp_from_init() qp->sq.queue is freed and then rxe_create_qp() will drop last reference to this object. qp clean up function will try to free this queue one time and it causes UAF bug. Fix it by zeroing queue pointer after freeing queue in rxe_qp_from_init().

CVSS3: 7.8
debian
больше 1 года назад

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

CVSS3: 7.8
github
больше 1 года назад

In the Linux kernel, the following vulnerability has been resolved: RDMA: Fix use-after-free in rxe_queue_cleanup On error handling path in rxe_qp_from_init() qp->sq.queue is freed and then rxe_create_qp() will drop last reference to this object. qp clean up function will try to free this queue one time and it causes UAF bug. Fix it by zeroing queue pointer after freeing queue in rxe_qp_from_init().

CVSS3: 8.8
fstec
больше 1 года назад

Уязвимость компонента RDMA ядра операционной системы Linux, позволяющая нарушителю повысить привилегии в системе

EPSS

Процентиль: 6%
0.00026
Низкий

5.6 Medium

CVSS3