Linux 6.4 VMA Use-After-Free / Race Condition

Linux 6.4 suffers from a use-after-free condition when per-VMA locks introduce a race between page fault and MREMAPDONTUNMAP...

sched/numa: fix memory leak due to the overwritten vma->numab_state

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mm/mempolicy: fix migrate_to_node() assuming there is at least one VMA in a MM

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SUSE CVE-2025-21866

In the Linux kernel, the following vulnerability has been resolved: powerpc/code-patching: Fix KASAN hit by not flagging text patching area as VMALLOC Erhard reported the following KASAN hit while booting his PowerMac G4 with a KASAN-enabled kernel 6.13-rc6: BUG: KASAN: vmalloc-out-of-bounds in...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: xfs: fix log recovery buffer allocation for the legacy hsize fixup CVE-2024-39472 In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: prefer nftchainvalidate CVE-2024-41042 In...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Bad drive in topology results kernel crash CVE-2023-53037 In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Fix issues in mpi3mrgetalltgtinfo CVE-2023-53320 In the Lin...

Linux Distros Unpatched Vulnerability : CVE-2024-50220

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: fork: do not invoke uffd on fork if error occurs Patch series fork: do not expose incomplete...

SUSE CVE-2022-49052

In the Linux kernel, the following vulnerability has been resolved: mm: fix unexpected zeroed page mapping with zram swap Two processes under CLONEVM cloning, user process can be corrupted by seeing zeroed page unexpectedly. CPU A CPU B doswappage doswappage SWPSYNCHRONOUSIO path SWPSYNCHRONOUSIO...

UBUNTU-CVE-2024-57975

In the Linux kernel, the following vulnerability has been resolved: btrfs: do proper folio cleanup when rundelallocnocow failed BUG With CONFIGDEBUGVM set, test case generic/476 has some chance to crash with the following VMBUGONFOLIO: BTRFS error device dm-3: cowfilerange failed, start 1146880 e...

UBUNTU-CVE-2022-49562

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Use trycmpxchguser to update guest PTE A/D bits Use the recently introduced trycmpxchguser to update guest PTE A/D bits instead of mapping the PTE into kernel address space. The VMPFNMAP path is broken as it assumes tha...

DEBIAN-CVE-2022-49052

In the Linux kernel, the following vulnerability has been resolved: mm: fix unexpected zeroed page mapping with zram swap Two processes under CLONEVM cloning, user process can be corrupted by seeing zeroed page unexpectedly. CPU A CPU B doswappage doswappage SWPSYNCHRONOUSIO path SWPSYNCHRONOUSIO...

PT-2025-13217

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to the handling of EFAULT errors in the Linux kernel, specifically in the drm/xe/userptr module. Currently, EFAULT errors from hmm range fault are treated as non-fat...

CVE-2025-21696 mm: clear uffd-wp PTE/PMD state on mremap()

In the Linux kernel, the following vulnerability has been resolved: mm: clear uffd-wp PTE/PMD state on mremap When mremaping a memory region previously registered with userfaultfd as write-protected but without UFFDFEATUREEVENTREMAP, an inconsistency in flag clearing leads to a mismatch between t...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: comedi: Flushing partial mappings in the error case If some remappfnrange calls succeeded before one failed, we still have buffer pages mapped into the user-space page tables when we drop the buffer reference with...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/i915/gem: Fixed the calculation of the boundaries of virtual memory mappings. The current approach calculates the size of the mapped area as the smaller value between the requested size and the actual size, without...

Windows Exploitation Tricks: Trapping Virtual Memory Access (2025 Update)

Posted by James Forshaw, Google Project Zero Back in 2021 I wrote a blog post about various ways you can build a virtual memory access trap primitive on Windows. The goal was to cause a reader or writer of a virtual memory address to halt for a significant e.g. 1 or more seconds amount of time,...

SUSE CVE-2024-57897

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Correct the migration DMA map direction The SVM DMA device map direction should be set the same as the DMA unmap setting, otherwise the DMA core will report the following warning. Before finialize this solution,...

DEBIAN-CVE-2024-57897

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Correct the migration DMA map direction The SVM DMA device map direction should be set the same as the DMA unmap setting, otherwise the DMA core will report the following warning. Before finialize this solution,...

UBUNTU-CVE-2024-56368

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix overflow in rbmapvma An overflow occurred when performing the following calculation: nrpages = nrsubbufs + 1 dumpstack lib/dumpstack.c:94 inline dumpstacklvl+0x116/0x1f0 lib/dumpstack.c:120 printaddressdescriptio...

DEBIAN-CVE-2024-56765

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries/vas: Add close callback in vasvmops struct The mapping VMA address is saved in VAS window struct when the paste address is mapped. This VMA address is used during migration to unmap the paste address if the window...