CVE-2022-50575 xen/privcmd: Fix a possible warning in privcmd_ioctl_mmap_resource()

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: Fix a possible warning in privcmdioctlmmapresource As 'kdata.num' is user-controlled data, if user tries to allocate memory larger than= MAXORDER, then kcalloc will fail, it creates a stack trace and messes up dmesg...

CVE-2022-50575

CVE-2022-50575 concerns the Linux kernel xen/privcmd path where, because kdata.num is user-controlled, an allocation request ≥ MAX_ORDER can fail, triggering a stack trace and a noisy dmesg warning. The underlying issue is an unsafe large allocation warning in privcmd_ioctl_mmap_resource(), which...

CVE-2022-50575: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: Fix a possible warning in privcmdioctlmmapresource As 'kdata.num' is user-controlled data, if user tries to allocate memory larger than= MAXORDER, then kcalloc will fail, it creates a stack trace and messes up dmesg...

EUVD-2022-55268

Malicious code in bioql PyPI...

xen: privcmd: Switch from mutex to spinlock for irqfds

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Linux Distros Unpatched Vulnerability : CVE-2022-49989

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xen/privcmd: fix error exit of privcmdioctldmop The error exit of privcmdioctldmop is calling unlockpages potentially with pages being NULL, leading to a NULL...

SUSE CVE-2022-49989

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: fix error exit of privcmdioctldmop The error exit of privcmdioctldmop is calling unlockpages potentially with pages being NULL, leading to a NULL dereference. Additionally lockpages doesn't check for pinuserpagesfast...

DEBIAN-CVE-2022-49989

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: fix error exit of privcmdioctldmop The error exit of privcmdioctldmop is calling unlockpages potentially with pages being NULL, leading to a NULL dereference. Additionally lockpages doesn't check for pinuserpagesfast...

UBUNTU-CVE-2022-49989

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: fix error exit of privcmdioctldmop The error exit of privcmdioctldmop is calling unlockpages potentially with pages being NULL, leading to a NULL dereference. Additionally lockpages doesn't check for pinuserpagesfast...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a privcmdioctldmop error exit, which could lead to a null pointer dereference...

CVE-2022-49989: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: fix error exit of privcmdioctldmop The error exit of privcmdioctldmop is calling unlockpages potentially with pages being NULL, leading to a NULL dereference. Additionally lockpages doesn't check for pinuserpagesfast...

SUSE CVE-2024-46762

In the Linux kernel, the following vulnerability has been resolved: xen: privcmd: Fix possible access to a freed kirqfd instance Nothing prevents simultaneous ioctl calls to privcmdirqfdassign and privcmdirqfddeassign. If that happens, it is possible that a kirqfd created and added to the...

CVE-2024-46762

In the Linux kernel, the following vulnerability has been resolved: xen: privcmd: Fix possible access to a freed kirqfd instance Nothing prevents simultaneous ioctl calls to privcmdirqfdassign and privcmdirqfddeassign. If that happens, it is possible that a kirqfd created and added to the...

CVE-2024-46762

In the Linux kernel, the following vulnerability has been resolved: xen: privcmd: Fix possible access to a freed kirqfd instance Nothing prevents simultaneous ioctl calls to privcmdirqfdassign and privcmdirqfddeassign. If that happens, it is possible that a kirqfd created and added to the...

DEBIAN-CVE-2024-46762

In the Linux kernel, the following vulnerability has been resolved: xen: privcmd: Fix possible access to a freed kirqfd instance Nothing prevents simultaneous ioctl calls to privcmdirqfdassign and privcmdirqfddeassign. If that happens, it is possible that a kirqfd created and added to the...

AZL-49566 CVE-2024-46762 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: xen: privcmd: Fix possible access to a freed kirqfd instance Nothing prevents simultaneous ioctl calls to privcmdirqfdassign and privcmdirqfddeassign. If that happens, it is possible that a kirqfd created and added to the...

UBUNTU-CVE-2024-46762

In the Linux kernel, the following vulnerability has been resolved: xen: privcmd: Fix possible access to a freed kirqfd instance Nothing prevents simultaneous ioctl calls to privcmdirqfdassign and privcmdirqfddeassign. If that happens, it is possible that a kirqfd created and added to the...

CVE-2024-46762 xen: privcmd: Fix possible access to a freed kirqfd instance

In the Linux kernel, the following vulnerability has been resolved: xen: privcmd: Fix possible access to a freed kirqfd instance Nothing prevents simultaneous ioctl calls to privcmdirqfdassign and privcmdirqfddeassign. If that happens, it is possible that a kirqfd created and added to the...

CVE-2024-46762

CVE-2024-46762 describes a Linux kernel issue in the Xen driver support (privcmd) where simultaneous calls to privcmd_irqfd_assign() and privcmd_irqfd_deassign() could lead to use-after-free of a kirqfd instance, potentially causing a kernel oops. The root cause is a lack of proper synchronizatio...

CVE-2024-46762 xen: privcmd: Fix possible access to a freed kirqfd instance

In the Linux kernel, the following vulnerability has been resolved: xen: privcmd: Fix possible access to a freed kirqfd instance Nothing prevents simultaneous ioctl calls to privcmdirqfdassign and privcmdirqfddeassign. If that happens, it is possible that a kirqfd created and added to the...