SUSE CVE-2026-72175

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: fix makeuffdwphugepte prot-update race Patch series "userfaultfd/pagemap: pre-existing fixes". These are pre-existing bug fixes that were carried at the front of the userfaultfd RWP working-set-tracking series up...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: The issue of self-deadlock in hugetlb during pagemapscanptehole has been fixed. A PAGEMAPSCAN ioctl requesting PMSCANWPMATCHING on a hugetlb VMA causes the calling thread to hang indefinitely as soon as the scan...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: No warnings are displayed when encountering non-migration PMD entries. The patch series “mm/hmm: A fix and a selftest”, version 3. Patch 1 fixes a stale warning that existed before, when only migration softleaf...

CVE-2026-72175 fs/proc/task_mmu: fix make_uffd_wp_huge_pte() prot-update race

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: fix makeuffdwphugepte prot-update race Patch series "userfaultfd/pagemap: pre-existing fixes". These are pre-existing bug fixes that were carried at the front of the userfaultfd RWP working-set-tracking series up...

CVE-2026-72174: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: fix hugetlb self-deadlock in pagemapscanptehole A PAGEMAPSCAN ioctl requesting PMSCANWPMATCHING on a hugetlb VMA hangs the calling thread, unkillably, as soon as the scan reaches an unpopulated part of the range:...

CVE-2026-72175: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: fix makeuffdwphugepte prot-update race Patch series "userfaultfd/pagemap: pre-existing fixes". These are pre-existing bug fixes that were carried at the front of the userfaultfd RWP working-set-tracking series up...

CVE-2026-72173: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: do not warn on seeing non-migration pmd entry Patch series "mm/hmm: A fix and a selftest", v3. Patch 1 fixes a stale warning present from the time when only migration softleaf entries were supported at the PMD...

Astra Linux – Vulnerability in Linux 6.12

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...

CVE-2025-40009: Undefined Security Weakness

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-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...

CVE-2024-53107

CVE-2024-53107 affects the Linux kernel in fs/proc/task_mmu.c (pagemap_scan_get_args). The issue is an integer overflow: arg->vec_len is read as a u64 from user space and used in the expression arg->vec_len * sizeof(struct page_region), which can wrap. The fix uses size_mul() to perform the...

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: Integer Overflow or Wraparound

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...

DEBIAN-CVE-2022-48802

In the Linux kernel, the following vulnerability has been resolved: fs/proc: taskmmu.c: don't read mapcount for migration entry The syzbot reported the below BUG: kernel BUG at include/linux/page-flags.h:785! invalid opcode: 0000 1 PREEMPT SMP KASAN CPU: 1 PID: 4392 Comm: syz-executor560 Not...

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...

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

CVE-2024-36943 involves the Linux kernel’s fs/proc/task_mmu code. The race condition occurs in make_uffd_wp_pte() where ptep modifications could race with concurrent accesses, risking loss of the young/dirty bits during pagemap scanning. The incorrect sequence (pte = ptep_get(ptep); ptep_modify_p...

CVE-2024-36943: Undefined Security Weakness

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...