Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: s390/uv: Do not call foliowaitwriteback without a folio reference. foliowaitwriteback requires that no spinlocks are held and that a folio reference is held, as documented. After we removed the PTL, the folio object could be free...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Fixed an issue related to “slab-use-after-free” in ksmbdsmb2sessioncreate. There is a race condition between ksmbdsmb2sessioncreate and ksmbdexpiresession. This patch adds the necessary sessionstablelock during the...

UBUNTU-CVE-2026-74513

In the Linux kernel, the following vulnerability has been resolved: dibs: fix use-after-free of dmbnode in loopback attach/detach/unregister dibsloattachdmb, dibslodetachdmb and dibslounregisterdmb look up the dmbnode under dmbhtlock, drop the lock and only then operate on the node's refcount...

CVE-2026-72174

CVE-2026-72174 affects the Linux kernel’s hugetlb mmap/pagemap handling. The vulnerability arises in fs/proc/task_mmu during a PAGEMAP_SCAN with PM_SCAN_WP_MATCHING on a hugetlb VMA, where walking hole entries via pagemap_scan_pte_hole() leads to a deadlock: the thread holds a read lock while att...

netfilter: ebtables: terminate table name before find_table_lock()

...

UBUNTU-CVE-2026-64514

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: gate mustwait writability check on ptepresent userfaultfdmustwait and userfaultfdhugemustwait read the PTE without taking the page table lock and then apply ptewrite / hugeptewrite to it. Those accessors decode bits...

PT-2026-64632

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description In the netfilter ebtables component, the update counters and compat update counters functions forward a user-supplied 32-byte table name to find table lock without NUL-termination. When ...

CVE-2026-63885 drm/gem: fix race between change_handle and handle_delete

In the Linux kernel, the following vulnerability has been resolved: drm/gem: fix race between changehandle and handledelete drmgemchangehandleioctl leaves the old handle live in the IDR during the window between spinunlocktablelock and the final spinlocktablelock. A concurrent drmgemhandledelete ...

Linux Distros Unpatched Vulnerability : CVE-2026-53020

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: um: Fix potential race condition in TLB sync During the TLB sync, we need to traverse and...

SUSE CVE-2026-53020

In the Linux kernel, the following vulnerability has been resolved: um: Fix potential race condition in TLB sync During the TLB sync, we need to traverse and modify the page table, so we should hold the page table lock. Since full SMP support for threads within the same process is still missing,...

EUVD-2026-38888

In the Linux kernel, the following vulnerability has been resolved: um: Fix potential race condition in TLB sync During the TLB sync, we need to traverse and modify the page table, so we should hold the page table lock. Since full SMP support for threads within the same process is still missing,...

CVE-2026-53020

In the Linux kernel, the following vulnerability has been resolved: um: Fix potential race condition in TLB sync During the TLB sync, we need to traverse and modify the page table, so we should hold the page table lock. Since full SMP support for threads within the same process is still missing,...

CVE-2026-53020

In the Linux kernel, the following vulnerability has been resolved: um: Fix potential race condition in TLB sync During the TLB sync, we need to traverse and modify the page table, so we should hold the page table lock. Since full SMP support for threads within the same process is still missing,...

CVE-2026-53020 um: Fix potential race condition in TLB sync

In the Linux kernel, the following vulnerability has been resolved: um: Fix potential race condition in TLB sync During the TLB sync, we need to traverse and modify the page table, so we should hold the page table lock. Since full SMP support for threads within the same process is still missing,...

CVE-2026-53020 um: Fix potential race condition in TLB sync

In the Linux kernel, the following vulnerability has been resolved: um: Fix potential race condition in TLB sync During the TLB sync, we need to traverse and modify the page table, so we should hold the page table lock. Since full SMP support for threads within the same process is still missing,...

CVE-2026-53020

The CVE-2026-53020 entry documents a Linux kernel issue: a race condition during Translation Lookaside Buffer (TLB) synchronization when the page table is traversed and modified without holding the proper page table lock. The root cause is the lack of adequate locking during TLB sync, which can l...

CVE-2026-53020: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: um: Fix potential race condition in TLB sync During the TLB sync, we need to traverse and modify the page table, so we should hold the page table lock. Since full SMP support for threads within the same process is still missing,...

EUVD-2026-18732

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Open-code GGTT MMIO access protection GGTT MMIO access is currently protected by hotplug drmdeventer, which works correctly when the driver loads successfully and is later unbound or unloaded. However, if driver load fail...

ALPINE-CVE-2026-23554

The Intel EPT paging code uses an optimization to defer flushing of any cached EPT state until the p2m lock is dropped, so that multiple modifications done under the same locked region only issue a single flush. Freeing of paging structures however is not deferred until the flushing is done, and...

PT-2026-51914

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists during Translation Lookaside Buffer TLB synchronization, which is a process used to maintain consistency between the CPU cache and the main memory page tables. Th...