Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: check p-vecbuf for NULL When the PAGEMAPSCAN ioctl is invoked with veclen = 0 and results in pagemapscanbackoutrange, the kernel panics due to a null-ptr-deref. 44.936808 Oops: general protection fault, likely fo...

Linux Distros Unpatched Vulnerability : CVE-2025-40009

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fs/proc/taskmmu: check p-vecbuf for NULL When the PAGEMAPSCAN ioctl is invoked with veclen = 0 reaches pagemapscanbackoutrange, kernel panics with null-ptr-dere...

SUSE CVE-2025-40009

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: check p-vecbuf for NULL When the PAGEMAPSCAN ioctl is invoked with veclen = 0 reaches pagemapscanbackoutrange, kernel panics with null-ptr-deref: 44.936808 Oops: general protection fault, probably for non-canonic...

EUVD-2025-35071

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: check p-vecbuf for NULL When the PAGEMAPSCAN ioctl is invoked with veclen = 0 reaches pagemapscanbackoutrange, kernel panics with null-ptr-deref: 44.936808 Oops: general protection fault, probably for non-canonic...

CVE-2025-40009

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: check p-vecbuf for NULL When the PAGEMAPSCAN ioctl is invoked with veclen = 0 reaches pagemapscanbackoutrange, kernel panics with null-ptr-deref: 44.936808 Oops: general protection fault, probably for non-canonic...

UBUNTU-CVE-2025-40009

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: check p-vecbuf for NULL When the PAGEMAPSCAN ioctl is invoked with veclen = 0 reaches pagemapscanbackoutrange, kernel panics with null-ptr-deref: 44.936808 Oops: general protection fault, probably for non-canonic...

CVE-2025-40009 fs/proc/task_mmu: check p->vec_buf for NULL

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: check p-vecbuf for NULL When the PAGEMAPSCAN ioctl is invoked with veclen = 0 reaches pagemapscanbackoutrange, kernel panics with null-ptr-deref: 44.936808 Oops: general protection fault, probably for non-canonic...

CVE-2025-40009 fs/proc/task_mmu: check p->vec_buf for NULL

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: check p-vecbuf for NULL When the PAGEMAPSCAN ioctl is invoked with veclen = 0 reaches pagemapscanbackoutrange, kernel panics with null-ptr-deref: 44.936808 Oops: general protection fault, probably for non-canonic...

PT-2025-42778

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.17.0-rc6 Description The Linux kernel contains a flaw within the fs/proc/task mmu component. Specifically, a null pointer dereference can occur in pagemap scan backout range when the PAGEMAP SCAN ioctl is calle...

DEBIAN-CVE-2024-53107

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: prevent integer overflow in pagemapscangetargs The "arg-veclen" variable is a u64 that comes from the user at the start of the function. The "arg-veclen sizeofstruct pageregion" multiplication can lead to integer...

CVE-2024-53107 fs/proc/task_mmu: prevent integer overflow in pagemap_scan_get_args()

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: prevent integer overflow in pagemapscangetargs The "arg-veclen" variable is a u64 that comes from the user at the start of the function. The "arg-veclen sizeofstruct pageregion" multiplication can lead to integer...

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 an integer overflow in the pagemapscangetargs function in the fs/proc/taskmmu component...

CVE-2024-36943

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: fix loss of young/dirty bits during pagemap scan makeuffdwppte was previously doing: pte = ptepgetptep; ptepmodifyprotstartptep; pte = ptemkuffdwppte; ptepmodifyprotcommitptep, pte; But if another thread accessed...

CVE-2024-36943

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: fix loss of young/dirty bits during pagemap scan makeuffdwppte was previously doing: pte = ptepgetptep; ptepmodifyprotstartptep; pte = ptemkuffdwppte; ptepmodifyprotcommitptep, pte; But if another thread accessed...

DEBIAN-CVE-2024-36943

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: fix loss of young/dirty bits during pagemap scan makeuffdwppte was previously doing: pte = ptepgetptep; ptepmodifyprotstartptep; pte = ptemkuffdwppte; ptepmodifyprotcommitptep, pte; But if another thread accessed...

UBUNTU-CVE-2024-36943

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: fix loss of young/dirty bits during pagemap scan makeuffdwppte was previously doing: pte = ptepgetptep; ptepmodifyprotstartptep; pte = ptemkuffdwppte; ptepmodifyprotcommitptep, pte; But if another thread accessed...

CVE-2024-36943 fs/proc/task_mmu: fix loss of young/dirty bits during pagemap scan

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: fix loss of young/dirty bits during pagemap scan makeuffdwppte was previously doing: pte = ptepgetptep; ptepmodifyprotstartptep; pte = ptemkuffdwppte; ptepmodifyprotcommitptep, pte; But if another thread accessed...

CVE-2024-36943 fs/proc/task_mmu: fix loss of young/dirty bits during pagemap scan

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: fix loss of young/dirty bits during pagemap scan makeuffdwppte was previously doing: pte = ptepgetptep; ptepmodifyprotstartptep; pte = ptemkuffdwppte; ptepmodifyprotcommitptep, pte; But if another thread accessed...

CVE-2024-36943

CVE-2024-36943 affects the Linux kernel’s pagemap/proc task_mmu path. The issue arises in the pattern used by make_uffd_wp_pte() where interleaving reads and writes could lose young/dirty bits during a pagemap scan, due to a race around ptep_modify_prot_start() and subsequent updates. The documen...

CVE-2024-36943 fs/proc/task_mmu: fix loss of young/dirty bits during pagemap scan

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: fix loss of young/dirty bits during pagemap scan makeuffdwppte was previously doing: pte = ptepgetptep; ptepmodifyprotstartptep; pte = ptemkuffdwppte; ptepmodifyprotcommitptep, pte; But if another thread accessed...