kernel: use-after-free in fs/block_dev.c

A use-after-free flaw was observed in blkdevget, in fs/blockdev.c after a call to blkdevget fails, and its refcount gets freed/released. This problem may cause a denial of service problem with a special user privilege, and may even lead to a confidentiality issue...

CVE-2021-0606

A flaw was found in the Linux kernel. The function drmsyncobjhandletofd first calls drmsyncobjfind which increments the refcount of the object on success. In all of the drmsyncobjhandletofd error paths, the refcount is decremented, but in the success path the refcount should remain at +1 as the...

PT-2024-11326 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A reference counting issue in the Linux kernel's iommu/arm-smmu component causes a refcount leak when arm smmu rpm get fails. The arm smmu rpm get function invokes pm runtime get sync,...

PT-2024-11324 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A reference counting issue occurs in the Linux kernel's iommu/arm-smmu component, specifically in the arm smmu iova to phys hard function. This issue arises when error scenarios occur ...

PT-2024-11256 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A memory leak has been resolved in the Linux kernel, specifically in the rds recvmsg function. The issue was caused by an unputted refcount in case of error. When rds cmsg recv fails,...

Privilege Escalation

linux is vulnerable to privilege escalation. The vulnerability exists due to a refcount leak in llcpsockbind causing use-after-free...

UVI-2021-1000707 Bluetooth: cmtp: fix file refcount when cmtp_attach_device fails

Bluetooth: cmtp: fix file refcount when cmtpattachdevice fails This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.4.271 by commit...

GSD-2021-1000691 Bluetooth: cmtp: fix file refcount when cmtp_attach_device fails

Bluetooth: cmtp: fix file refcount when cmtpattachdevice fails This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.9.271 by commit...

UVI-2021-1000691 Bluetooth: cmtp: fix file refcount when cmtp_attach_device fails

Bluetooth: cmtp: fix file refcount when cmtpattachdevice fails This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.9.271 by commit...

GSD-2021-1000676 Bluetooth: cmtp: fix file refcount when cmtp_attach_device fails

Bluetooth: cmtp: fix file refcount when cmtpattachdevice fails This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.14.235 by commit...

UVI-2021-1000676 Bluetooth: cmtp: fix file refcount when cmtp_attach_device fails

Bluetooth: cmtp: fix file refcount when cmtpattachdevice fails This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.14.235 by commit...

UVI-2021-1000658 Bluetooth: cmtp: fix file refcount when cmtp_attach_device fails

Bluetooth: cmtp: fix file refcount when cmtpattachdevice fails This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.193 by commit...

GSD-2021-1000649 drm/amd/amdgpu: fix refcount leak

drm/amd/amdgpu: fix refcount leak This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.193 by commit 599e5d61ace952b0bb9bd942b198bbd0cfded1d7, ...

UVI-2021-1000635 Bluetooth: cmtp: fix file refcount when cmtp_attach_device fails

Bluetooth: cmtp: fix file refcount when cmtpattachdevice fails This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.124 by commit...

GSD-2021-1000635 Bluetooth: cmtp: fix file refcount when cmtp_attach_device fails

Bluetooth: cmtp: fix file refcount when cmtpattachdevice fails This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.124 by commit...

GSD-2021-1000622 drm/amd/amdgpu: fix refcount leak

drm/amd/amdgpu: fix refcount leak This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.124 by commit dde2656e0bbb2ac7d83a7bd95a8d5c3c95bbc009, i...

UVI-2021-1000622 drm/amd/amdgpu: fix refcount leak

drm/amd/amdgpu: fix refcount leak This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.124 by commit dde2656e0bbb2ac7d83a7bd95a8d5c3c95bbc009, i...

GSD-2021-1000603 Bluetooth: cmtp: fix file refcount when cmtp_attach_device fails

Bluetooth: cmtp: fix file refcount when cmtpattachdevice fails This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.42 by commit...

UVI-2021-1000603 Bluetooth: cmtp: fix file refcount when cmtp_attach_device fails

Bluetooth: cmtp: fix file refcount when cmtpattachdevice fails This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.42 by commit...

GSD-2021-1000585 drm/amd/amdgpu: fix refcount leak

drm/amd/amdgpu: fix refcount leak This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.42 by commit 9fdb8ed37a3a44f9c49372b69f87fd5f61cb3240, i...