Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: - mm/mempolicy: No longer allows the illegal combination of MPOLFNUMABALANCING and MPOLLOCAL in mbind. - syzbot reported access to uninitialized memory in mbind. The issue arose with the commit bda420b98505 “NUMA balancing:...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001244)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001244 advisory. Incorrect error handling in the setmempolicy and mbind compat syscalls in mm/mempolicy.c in the Linux kernel through 4.10.9 allows local users to obtain sensitive...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002995)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002995 advisory. Incorrect error handling in the setmempolicy and mbind compat syscalls in mm/mempolicy.c in the Linux kernel through 4.10.9 allows local users to obtain sensitive...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002809)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002809 advisory. Incorrect error handling in the setmempolicy and mbind compat syscalls in mm/mempolicy.c in the Linux kernel through 4.10.9 allows local users to obtain sensitive...

Linux 6.4 mbind() Use-After-Free / Race Condition

There is a race between mbind and VMA-locked page faults that leads to a use-after-free condition. tested on git master, at commit 57012c57536f Summary: There's a race between mbind and VMA-locked page faults, leading to UAF. You can quickly hit this with a straightforward reproducer that just...

SUSE CVE-2021-47462

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: do not allow illegal MPOLFNUMABALANCING | MPOLLOCAL in mbind syzbot reported access to unitialized memory in mbind 1 Issue came with commit bda420b98505 "numa balancing: migrate on fault among multiple bound nodes"...

CVE-2021-47462

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: do not allow illegal MPOLFNUMABALANCING | MPOLLOCAL in mbind syzbot reported access to unitialized memory in mbind 1 Issue came with commit bda420b98505 "numa balancing: migrate on fault among multiple bound nodes"...

DEBIAN-CVE-2021-47462

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: do not allow illegal MPOLFNUMABALANCING | MPOLLOCAL in mbind syzbot reported access to unitialized memory in mbind 1 Issue came with commit bda420b98505 "numa balancing: migrate on fault among multiple bound nodes"...

CVE-2021-47462

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: do not allow illegal MPOLFNUMABALANCING | MPOLLOCAL in mbind syzbot reported access to unitialized memory in mbind 1 Issue came with commit bda420b98505 "numa balancing: migrate on fault among multiple bound nodes"...

CVE-2021-47462

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: do not allow illegal MPOLFNUMABALANCING | MPOLLOCAL in mbind syzbot reported access to unitialized memory in mbind 1 Issue came with commit bda420b98505 "numa balancing: migrate on fault among multiple bound nodes"...

UBUNTU-CVE-2021-47462

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: do not allow illegal MPOLFNUMABALANCING | MPOLLOCAL in mbind syzbot reported access to unitialized memory in mbind 1 Issue came with commit bda420b98505 "numa balancing: migrate on fault among multiple bound nodes"...

CVE-2021-47462

CVE-2021-47462 affects the Linux kernel mempolicy/memory policy handling. The root cause was an invalid combination check for MPOL_MODE_FLAGS: MPOL_F_NUMA_BALANCING may only pair with MPOL_BIND, but the check existed only in do_set_mempolicy(). The patch moves this validation into sanitize_mpol_f...

CVE-2021-47462 mm/mempolicy: do not allow illegal MPOL_F_NUMA_BALANCING | MPOL_LOCAL in mbind()

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: do not allow illegal MPOLFNUMABALANCING | MPOLLOCAL in mbind syzbot reported access to unitialized memory in mbind 1 Issue came with commit bda420b98505 "numa balancing: migrate on fault among multiple bound nodes"...

CVE-2024-26696

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix hang in nilfslookupdirtydatabuffers Syzbot reported a hang issue in migratepagesbatch called by mbind and nilfslookupdirtydatabuffers called in the log writer of nilfs2. While migratepagesbatch locks a folio and waits...

CVE-2024-26696 nilfs2: fix hang in nilfs_lookup_dirty_data_buffers()

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix hang in nilfslookupdirtydatabuffers Syzbot reported a hang issue in migratepagesbatch called by mbind and nilfslookupdirtydatabuffers called in the log writer of nilfs2. While migratepagesbatch locks a folio and waits...

Linux 6.4 Use-After-Free / Race Condition Exploit

There is a race between mbind and VMA-locked page faults in the Linux 6.4 kernel, leading to a use-after-free condition. Linux 6.4: UAF race between mbind and VMA-locked page fault tested on git master, at commit 57012c57536f Summary: There's a race between mbind and VMA-locked page faults, leadi...

Linux 6.4 Use-After-Free / Race Condition

Linux 6.4: UAF race between mbind and VMA-locked page fault tested on git master, at commit 57012c57536f Summary: There's a race between mbind and VMA-locked page faults, leading to UAF. You can quickly hit this with a straightforward reproducer that just keeps calling mbind on one thread and...

Use after free race between mbind() and vma-locked page fault

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SUSE CVE-2023-4611

A use-after-free flaw was found in mm/mempolicy.c in the memory management subsystem in the Linux Kernel. This issue is caused by a race between mbind and VMA-locked page fault, and may allow a local attacker to crash the system or lead to a kernel information leak...

AZL-28546 CVE-2023-4611 affecting package kernel for versions less than 5.15.135.1-2

A use-after-free flaw was found in mm/mempolicy.c in the memory management subsystem in the Linux Kernel. This issue is caused by a race between mbind and VMA-locked page fault, and may allow a local attacker to crash the system or lead to a kernel information leak...