x86/mce: use is_copy_from_user() to determine copy-from-user context

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SUSE CVE-2022-50074

In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix memleak in aasimplewritetobuffer When copyfromuser failed, the memory is freed by kvfree. however the management struct and data blob are allocated independently, so only kvfreedata cause a memleak issue here. Use...

DEBIAN-CVE-2022-50074

In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix memleak in aasimplewritetobuffer When copyfromuser failed, the memory is freed by kvfree. however the management struct and data blob are allocated independently, so only kvfreedata cause a memleak issue here. Use...

UBUNTU-CVE-2022-50074

In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix memleak in aasimplewritetobuffer When copyfromuser failed, the memory is freed by kvfree. however the management struct and data blob are allocated independently, so only kvfreedata cause a memleak issue here. Use...

PT-2025-26000 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A memory leak issue has been identified in the Linux kernel, specifically in the apparmor module. The issue occurs when the copy from user function fails, causing a memory leak due to...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ALSA: Timer – Do not take registermutex with copyfrom/touser. The infamous mmaplock taken during copyfrom/touser can often be problematic when it is called within another mutex, as this may lead to deadlocks. In the case of ALSA...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: x86/mce: Used iscopyfromuser to determine the copy-from-user context. Patch series “mm/hwpoison: Fix regressions in memory failure handling”, v4. 1. What is being attempted? This patchset addresses two critical regressions...

CVE-2020-0235

In crusspsharedioctl we first copy 4 bytes from userdata into "size" variable, and then use that variable as the size parameter for "copyfromuser", ending up overwriting memory following "crussphdr". "crussphdr" is a static variable, of type "struct crusspioctlheader".Product: AndroidVersions:...

SUSE CVE-2025-37900

In the Linux kernel, the following vulnerability has been resolved: iommu: Fix two issues in iommucopystructfromuser In the review for iommucopystructtouser helper, Matt pointed out that a NULL pointer should be rejected prior to dereferencing it:...

SUSE CVE-2023-53090

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix an illegal memory access In the kfdwaitonevents function, the kfdeventwaiter structure is allocated by alloceventwaiters, but the event field of the waiter structure is not initialized; When copyfromuser fails in...

DEBIAN-CVE-2023-53090

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix an illegal memory access In the kfdwaitonevents function, the kfdeventwaiter structure is allocated by alloceventwaiters, but the event field of the waiter structure is not initialized; When copyfromuser fails in...

UBUNTU-CVE-2023-53090

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix an illegal memory access In the kfdwaitonevents function, the kfdeventwaiter structure is allocated by alloceventwaiters, but the event field of the waiter structure is not initialized; When copyfromuser fails in...

SUSE CVE-2025-39989

In the Linux kernel, the following vulnerability has been resolved: x86/mce: use iscopyfromuser to determine copy-from-user context Patch series "mm/hwpoison: Fix regressions in memory failure handling", v4. 1. What am I trying to do: This patchset resolves two critical regressions related to...

AZL-69728 CVE-2025-39989 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: x86/mce: use iscopyfromuser to determine copy-from-user context Patch series "mm/hwpoison: Fix regressions in memory failure handling", v4. 1. What am I trying to do: This patchset resolves two critical regressions related to...

DEBIAN-CVE-2025-39989

In the Linux kernel, the following vulnerability has been resolved: x86/mce: use iscopyfromuser to determine copy-from-user context Patch series "mm/hwpoison: Fix regressions in memory failure handling", v4. 1. What am I trying to do: This patchset resolves two critical regressions related to...

CVE-2025-39989

In the Linux kernel, the following vulnerability has been resolved: x86/mce: use iscopyfromuser to determine copy-from-user context Patch series "mm/hwpoison: Fix regressions in memory failure handling", v4. 1. What am I trying to do: This patchset resolves two critical regressions related to...

CVE-2025-39989

In the Linux kernel, the following vulnerability has been resolved: x86/mce: use iscopyfromuser to determine copy-from-user context Patch series "mm/hwpoison: Fix regressions in memory failure handling", v4. 1. What am I trying to do: This patchset resolves two critical regressions related to...

UBUNTU-CVE-2025-39989

In the Linux kernel, the following vulnerability has been resolved: x86/mce: use iscopyfromuser to determine copy-from-user context Patch series "mm/hwpoison: Fix regressions in memory failure handling", v4. 1. What am I trying to do: This patchset resolves two critical regressions related to...

CVE-2025-39989

The CVE-2025-39989 issue affects the Linux kernel’s x86 memory error handling (MCE) path. Root cause: a patch series changes the copy-from-user recovery flow by introducing and switching extable fixup types, notably EX_TYPE_EFAULT_REG, instead of handling EX_TYPE_UACCESS for poison found in get_u...

DEBIAN-CVE-2025-23134

In the Linux kernel, the following vulnerability has been resolved: ALSA: timer: Don't take registermutex with copyfrom/touser The infamous mmaplock taken in copyfrom/touser can be often problematic when it's called inside another mutex, as they might lead to deadlocks. In the case of ALSA timer...