CVE-2026-81009

In the Linux kernel, the following vulnerability has been resolved: iouring/query: cap user size passed to copystructtouser iohandlequeryentry clamps hdr.size for the inbound copyfromuser but keeps the original user value as usize. copystructtouser uses that usize and, when it is larger than the...

UBUNTU-CVE-2026-81009

In the Linux kernel, the following vulnerability has been resolved: iouring/query: cap user size passed to copystructtouser iohandlequeryentry clamps hdr.size for the inbound copyfromuser but keeps the original user value as usize. copystructtouser uses that usize and, when it is larger than the...

EUVD-2026-76332

In the Linux kernel, the following vulnerability has been resolved: iouring/query: cap user size passed to copystructtouser iohandlequeryentry clamps hdr.size for the inbound copyfromuser but keeps the original user value as usize. copystructtouser uses that usize and, when it is larger than the...

CVE-2026-81009 io_uring/query: cap user size passed to copy_struct_to_user

In the Linux kernel, the following vulnerability has been resolved: iouring/query: cap user size passed to copystructtouser iohandlequeryentry clamps hdr.size for the inbound copyfromuser but keeps the original user value as usize. copystructtouser uses that usize and, when it is larger than the...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989536)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989536 advisory. In the Linux kernel, the following vulnerability has been resolved: proc/vmcore: fix clearing user buffer by properly using clearuser To clear a user buffer we canno...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986687)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986687 advisory. In the Linux kernel, the following vulnerability has been resolved: proc/vmcore: fix clearing user buffer by properly using clearuser To clear a user buffer we canno...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-986465)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986465 advisory. In the Linux kernel, the following vulnerability has been resolved: proc/vmcore: fix clearing user buffer by properly using clearuser To clear a user buffer we canno...

kernel: proc/vmcore: fix clearing user buffer by properly using clear_user()

In the Linux kernel, the following vulnerability has been resolved: proc/vmcore: fix clearing user buffer by properly using clearuser To clear a user buffer we cannot simply use memset, we have to use clearuser. With a virtio-mem device that registers a vmcorecb and has some logically unplugged...

CVE-2021-47566

In the Linux kernel, the following vulnerability has been resolved: proc/vmcore: fix clearing user buffer by properly using clearuser To clear a user buffer we cannot simply use memset, we have to use clearuser. With a virtio-mem device that registers a vmcorecb and has some logically unplugged...

CVE-2021-47566

In the Linux kernel, the following vulnerability has been resolved: proc/vmcore: fix clearing user buffer by properly using clearuser To clear a user buffer we cannot simply use memset, we have to use clearuser. With a virtio-mem device that registers a vmcorecb and has some logically unplugged...

CVE-2021-47566

In the Linux kernel, the following vulnerability has been resolved: proc/vmcore: fix clearing user buffer by properly using clearuser To clear a user buffer we cannot simply use memset, we have to use clearuser. With a virtio-mem device that registers a vmcorecb and has some logically unplugged...

CVE-2021-47566 proc/vmcore: fix clearing user buffer by properly using clear_user()

In the Linux kernel, the following vulnerability has been resolved: proc/vmcore: fix clearing user buffer by properly using clearuser To clear a user buffer we cannot simply use memset, we have to use clearuser. With a virtio-mem device that registers a vmcorecb and has some logically unplugged...

CVE-2021-47566

CVE-2021-47566 involves a Linux kernel vulnerability in proc/vmcore where user-space buffers were cleared improperly (memset) instead of using clear_user(), enabling a supervisor write fault on a vmcore copy scenario. The fix = use clear_user() when handling user buffers; SMAP handling is noted i...

CVE-2021-47566: Out-of-bounds Write

In the Linux kernel, the following vulnerability has been resolved: proc/vmcore: fix clearing user buffer by properly using clearuser To clear a user buffer we cannot simply use memset, we have to use clearuser. With a virtio-mem device that registers a vmcorecb and has some logically unplugged...

SUSE CVE-2014-7843

The clearuser function in arch/arm64/lib/clearuser.S in the Linux kernel before 3.17.4 on the ARM64 platform allows local users to cause a denial of service system crash by reading one byte beyond a /dev/zero page boundary...

GSD-2021-1002530 proc/vmcore: fix clearing user buffer by properly using clear_user()

proc/vmcore: fix clearing user buffer by properly using clearuser 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 v5.15.6 by commit...

GSD-2021-1002435 proc/vmcore: fix clearing user buffer by properly using clear_user()

proc/vmcore: fix clearing user buffer by properly using clearuser 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 v5.4.163 by commit...

GSD-2021-1002409 proc/vmcore: fix clearing user buffer by properly using clear_user()

proc/vmcore: fix clearing user buffer by properly using clearuser 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 v4.19.219 by commit...

GSD-2021-1002387 proc/vmcore: fix clearing user buffer by properly using clear_user()

proc/vmcore: fix clearing user buffer by properly using clearuser 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 v4.14.257 by commit...

GSD-2021-1002355 proc/vmcore: fix clearing user buffer by properly using clear_user()

proc/vmcore: fix clearing user buffer by properly using clearuser 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 v4.4.294 by commit...