CVE-2021-46933: Use After Free

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Clear ffseventfd in ffsdataclear. ffsdataclear is indirectly called from both ffsfskillsb and ffsep0release, so it ends up being called twice when userland closes ep0 and then unmounts ffs. If userland provided ...

PT-2024-8251

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to the netfilter component, specifically the nft flow offload function, where the dst is transferred to the flow object, and the route object does not own it...

kernel: dmaengine: Fix double increment of client_count in dma_chan_get()

In the Linux kernel, the following vulnerability has been resolved: dmaengine: Fix double increment of clientcount in dmachanget The first time dmachanget is called for a channel the channel clientcount is incorrectly incremented twice for public channels, first in balancerefcount, and again prio...

SUSE CVE-2019-15791

In shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, shiftfsbtrfsioctlfdreplace installs an fd referencing a file from the lower filesystem without taking an additional reference to that file. After the btrfs ioctl completes this fd is closed, whi...

SUSE CVE-2020-25221

getgatepage in mm/gup.c in the Linux kernel 5.7.x and 5.8.x before 5.8.7 allows privilege escalation because of incorrect reference counting caused by gate page mishandling of the struct page that backs the vsyscall page. The result is a refcount underflow. This can be triggered by any 64-bit...

CVE-2020-25221

A flaw was found in the getgatepage in mm/gup.c in the Linux kernel, where it allows privilege escalation due to incorrect reference counting caused by gate page mishandling of the struct page that backs the vsyscall page. The result is a refcount underflow. This flaw is triggered by any 64-bit...

CVE-2020-25221

getgatepage in mm/gup.c in the Linux kernel 5.7.x and 5.8.x before 5.8.7 allows privilege escalation because of incorrect reference counting caused by gate page mishandling of the struct page that backs the vsyscall page. The result is a refcount underflow. This can be triggered by any 64-bit...

UBUNTU-CVE-2020-25221

getgatepage in mm/gup.c in the Linux kernel 5.7.x and 5.8.x before 5.8.7 allows privilege escalation because of incorrect reference counting caused by gate page mishandling of the struct page that backs the vsyscall page. The result is a refcount underflow. This can be triggered by any 64-bit...

CVE-2020-25221: Operation on a Resource after Expiration or Release

getgatepage in mm/gup.c in the Linux kernel 5.7.x and 5.8.x before 5.8.7 allows privilege escalation because of incorrect reference counting caused by gate page mishandling of the struct page that backs the vsyscall page. The result is a refcount underflow. This can be triggered by any 64-bit...

CVE-2019-15794

Overlayfs in the Linux kernel and shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, both replace vma-vmfile in their mmap handlers. On error the original value is not restored, and the reference is put for the file to which vmfile points. On...

CVE-2019-15791

In shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, shiftfsbtrfsioctlfdreplace installs an fd referencing a file from the lower filesystem without taking an additional reference to that file. After the btrfs ioctl completes this fd is closed, whi...

CVE-2019-15791

In shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, shiftfsbtrfsioctlfdreplace installs an fd referencing a file from the lower filesystem without taking an additional reference to that file. After the btrfs ioctl completes this fd is closed, whi...

CVE-2019-15794

Overlayfs in the Linux kernel and shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, both replace vma-vmfile in their mmap handlers. On error the original value is not restored, and the reference is put for the file to which vmfile points. On...

Input validation

Overlayfs in the Linux kernel and shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, both replace vma-vmfile in their mmap handlers. On error the original value is not restored, and the reference is put for the file to which vmfile points. On...

Design/Logic Flaw

In shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, shiftfsbtrfsioctlfdreplace installs an fd referencing a file from the lower filesystem without taking an additional reference to that file. After the btrfs ioctl completes this fd is closed, whi...

CVE-2019-15794 Reference counting error in overlayfs/shiftfs error path when used in conjuction with aufs

Overlayfs in the Linux kernel and shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, both replace vma-vmfile in their mmap handlers. On error the original value is not restored, and the reference is put for the file to which vmfile points. On...

CVE-2019-15794

Overlayfs in the Linux kernel and shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, both replace vma-vmfile in their mmap handlers. On error the original value is not restored, and the reference is put for the file to which vmfile points. On...

CVE-2019-15791

CVE-2019-15791 describes a refcount underflow in the Linux kernel shiftfs implementation caused by a non-upstream patch in Ubuntu 5.0/5.3 kernels: shiftfs_btrfs_ioctl_fd_replace() can create a file descriptor to a lower-filesystem file without an extra reference, and closing the FD after the btrf...

CVE-2019-15791

In shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, shiftfsbtrfsioctlfdreplace installs an fd referencing a file from the lower filesystem without taking an additional reference to that file. After the btrfs ioctl completes this fd is closed, whi...

CVE-2019-15791 Reference count underflow in shiftfs

In shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, shiftfsbtrfsioctlfdreplace installs an fd referencing a file from the lower filesystem without taking an additional reference to that file. After the btrfs ioctl completes this fd is closed, whi...