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ubuntu логотип

CVE-2021-47533

около 2 лет назад

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: kms: Clear the HVS FIFO commit pointer once done Commit 9ec03d7f1ed3 ("drm/vc4: kms: Wait on previous FIFO users before a commit") introduced a wait on the previous commit done on a given HVS FIFO. However, we never cleared that pointer once done. Since drm_crtc_commit_put can free the drm_crtc_commit structure directly if we were the last user, this means that it can lead to a use-after free if we were to duplicate the state, and that stale pointer would even be copied to the new state. Set the pointer to NULL once we're done with the wait so that we don't carry over a pointer to a free'd structure.

CVSS3: 7.8
EPSS: Низкий
redhat логотип

CVE-2021-47533

около 2 лет назад

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: kms: Clear the HVS FIFO commit pointer once done Commit 9ec03d7f1ed3 ("drm/vc4: kms: Wait on previous FIFO users before a commit") introduced a wait on the previous commit done on a given HVS FIFO. However, we never cleared that pointer once done. Since drm_crtc_commit_put can free the drm_crtc_commit structure directly if we were the last user, this means that it can lead to a use-after free if we were to duplicate the state, and that stale pointer would even be copied to the new state. Set the pointer to NULL once we're done with the wait so that we don't carry over a pointer to a free'd structure.

CVSS3: 4.5
EPSS: Низкий
nvd логотип

CVE-2021-47533

около 2 лет назад

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: kms: Clear the HVS FIFO commit pointer once done Commit 9ec03d7f1ed3 ("drm/vc4: kms: Wait on previous FIFO users before a commit") introduced a wait on the previous commit done on a given HVS FIFO. However, we never cleared that pointer once done. Since drm_crtc_commit_put can free the drm_crtc_commit structure directly if we were the last user, this means that it can lead to a use-after free if we were to duplicate the state, and that stale pointer would even be copied to the new state. Set the pointer to NULL once we're done with the wait so that we don't carry over a pointer to a free'd structure.

CVSS3: 7.8
EPSS: Низкий
debian логотип

CVE-2021-47533

около 2 лет назад

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

CVSS3: 7.8
EPSS: Низкий
fstec логотип

BDU:2024-10753

около 2 лет назад

Уязвимость компонента kms ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании

CVSS3: 5.5
EPSS: Низкий
redos логотип

ROS-20241126-02

больше 1 года назад

Множественные уязвимости kernel-lt

CVSS3: 8.8
EPSS: Низкий
suse-cvrf логотип

SUSE-SU-2024:2189-1

почти 2 года назад

Security update for the Linux Kernel

EPSS: Низкий
suse-cvrf логотип

SUSE-SU-2024:2019-1

около 2 лет назад

Security update for the Linux Kernel

EPSS: Низкий
suse-cvrf логотип

SUSE-SU-2024:2190-1

почти 2 года назад

Security update for the Linux Kernel

EPSS: Низкий
suse-cvrf логотип

SUSE-SU-2024:2008-1

около 2 лет назад

Security update for the Linux Kernel

EPSS: Низкий

Уязвимостей на страницу

Уязвимость
CVSS
EPSS
Опубликовано
ubuntu логотип
CVE-2021-47533

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: kms: Clear the HVS FIFO commit pointer once done Commit 9ec03d7f1ed3 ("drm/vc4: kms: Wait on previous FIFO users before a commit") introduced a wait on the previous commit done on a given HVS FIFO. However, we never cleared that pointer once done. Since drm_crtc_commit_put can free the drm_crtc_commit structure directly if we were the last user, this means that it can lead to a use-after free if we were to duplicate the state, and that stale pointer would even be copied to the new state. Set the pointer to NULL once we're done with the wait so that we don't carry over a pointer to a free'd structure.

CVSS3: 7.8
0%
Низкий
около 2 лет назад
redhat логотип
CVE-2021-47533

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: kms: Clear the HVS FIFO commit pointer once done Commit 9ec03d7f1ed3 ("drm/vc4: kms: Wait on previous FIFO users before a commit") introduced a wait on the previous commit done on a given HVS FIFO. However, we never cleared that pointer once done. Since drm_crtc_commit_put can free the drm_crtc_commit structure directly if we were the last user, this means that it can lead to a use-after free if we were to duplicate the state, and that stale pointer would even be copied to the new state. Set the pointer to NULL once we're done with the wait so that we don't carry over a pointer to a free'd structure.

CVSS3: 4.5
0%
Низкий
около 2 лет назад
nvd логотип
CVE-2021-47533

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: kms: Clear the HVS FIFO commit pointer once done Commit 9ec03d7f1ed3 ("drm/vc4: kms: Wait on previous FIFO users before a commit") introduced a wait on the previous commit done on a given HVS FIFO. However, we never cleared that pointer once done. Since drm_crtc_commit_put can free the drm_crtc_commit structure directly if we were the last user, this means that it can lead to a use-after free if we were to duplicate the state, and that stale pointer would even be copied to the new state. Set the pointer to NULL once we're done with the wait so that we don't carry over a pointer to a free'd structure.

CVSS3: 7.8
0%
Низкий
около 2 лет назад
debian логотип
CVE-2021-47533

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

CVSS3: 7.8
0%
Низкий
около 2 лет назад
fstec логотип
BDU:2024-10753

Уязвимость компонента kms ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании

CVSS3: 5.5
0%
Низкий
около 2 лет назад
redos логотип
ROS-20241126-02

Множественные уязвимости kernel-lt

CVSS3: 8.8
больше 1 года назад
suse-cvrf логотип
SUSE-SU-2024:2189-1

Security update for the Linux Kernel

почти 2 года назад
suse-cvrf логотип
SUSE-SU-2024:2019-1

Security update for the Linux Kernel

около 2 лет назад
suse-cvrf логотип
SUSE-SU-2024:2190-1

Security update for the Linux Kernel

почти 2 года назад
suse-cvrf логотип
SUSE-SU-2024:2008-1

Security update for the Linux Kernel

около 2 лет назад

Уязвимостей на страницу