Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: clear page-private in freepagesprepare CVE-2026-43303 In the Linux kernel, the following vulnerability has been resolved: ipvs: skip ipv6 extension headers for csum checks CVE-2026-45850 In the Linux...

CVE-2026-53342

In the Linux kernel, the following vulnerability has been resolved: arm64: mm: call pagetable dtor when freeing hot-removed page tables Since 5e8eb9aeeda3 "arm64: mm: always call PTE/PMD ctor in createpgdmapping" page-table allocation on ARM64 always calls pagetablepte,pmd,pud,p4dctor. This sets...

tap: free page on error paths in tap_get_user_xdp()

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CVE-2026-46322

In the Linux kernel, the following vulnerability has been resolved: tun: free page on buildskb failure in tunxdpone When buildskb fails in tunxdpone, the function sets ret to -ENOMEM and jumps to the out label, which returns without freeing the page that vhostnetbuildxdp allocated for the frame. ...

UBUNTU-CVE-2026-46320

In the Linux kernel, the following vulnerability has been resolved: tap: free page on error paths in tapgetuserxdp tapgetuserxdp rejects a frame shorter than ETHHLEN with -EINVAL, and returns -ENOMEM when buildskb fails. Both paths jump to the err label without freeing the page that...

CVE-2026-46322

In the Linux kernel, the following vulnerability has been resolved: tun: free page on buildskb failure in tunxdpone When buildskb fails in tunxdpone, the function sets ret to -ENOMEM and jumps to the out label, which returns without freeing the page that vhostnetbuildxdp allocated for the frame. ...

CVE-2026-46322 tun: free page on build_skb failure in tun_xdp_one()

In the Linux kernel, the following vulnerability has been resolved: tun: free page on buildskb failure in tunxdpone When buildskb fails in tunxdpone, the function sets ret to -ENOMEM and jumps to the out label, which returns without freeing the page that vhostnetbuildxdp allocated for the frame. ...

CVE-2026-46320

In the Linux kernel, the following vulnerability has been resolved: tap: free page on error paths in tapgetuserxdp tapgetuserxdp rejects a frame shorter than ETHHLEN with -EINVAL, and returns -ENOMEM when buildskb fails. Both paths jump to the err label without freeing the page that...

EUVD-2026-35410

In the Linux kernel, the following vulnerability has been resolved: tap: free page on error paths in tapgetuserxdp tapgetuserxdp rejects a frame shorter than ETHHLEN with -EINVAL, and returns -ENOMEM when buildskb fails. Both paths jump to the err label without freeing the page that...

CVE-2026-46320 tap: free page on error paths in tap_get_user_xdp()

In the Linux kernel, the following vulnerability has been resolved: tap: free page on error paths in tapgetuserxdp tapgetuserxdp rejects a frame shorter than ETHHLEN with -EINVAL, and returns -ENOMEM when buildskb fails. Both paths jump to the err label without freeing the page that...

PT-2026-47757

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs in the tap get user xdp function. When a frame is shorter than ETH HLEN, the function returns -EINVAL; similarly, it returns -ENOMEM if build skb fails. In both...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rustbinder: The spinlock call in rustshrinkfreepage has been removed. When porting Rust Binder to version 6.18, I overlooked including the commit fb56fdf8b9a2 “mm/listlru: split the lock to per-cgroup scope” in the consideration...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Fixed NULL dereference in error cleanup. In watchqueuesetsize, the error cleanup code does not take into account the fact that freepage cannot handle a NULL pointer when trying to free buffer pages that have been...

CVE-2025-71181

In the Linux kernel, the following vulnerability has been resolved: rustbinder: remove spinlock in rustshrinkfreepage When forward-porting Rust Binder to 6.18, I neglected to take commit fb56fdf8b9a2 "mm/listlru: split the lock to per-cgroup scope" into account, and apparently I did not end up...

CVE-2025-71181

In the Linux kernel, the following vulnerability has been resolved: rustbinder: remove spinlock in rustshrinkfreepage When forward-porting Rust Binder to 6.18, I neglected to take commit fb56fdf8b9a2 "mm/listlru: split the lock to per-cgroup scope" into account, and apparently I did not end up...

CVE-2025-71181 rust_binder: remove spin_lock() in rust_shrink_free_page()

In the Linux kernel, the following vulnerability has been resolved: rustbinder: remove spinlock in rustshrinkfreepage When forward-porting Rust Binder to 6.18, I neglected to take commit fb56fdf8b9a2 "mm/listlru: split the lock to per-cgroup scope" into account, and apparently I did not end up...

CVE-2025-71181 rust_binder: remove spin_lock() in rust_shrink_free_page()

In the Linux kernel, the following vulnerability has been resolved: rustbinder: remove spinlock in rustshrinkfreepage When forward-porting Rust Binder to 6.18, I neglected to take commit fb56fdf8b9a2 "mm/listlru: split the lock to per-cgroup scope" into account, and apparently I did not end up...

CVE-2025-71181

In the Linux kernel, the following vulnerability has been resolved: rustbinder: remove spinlock in rustshrinkfreepage When forward-porting Rust Binder to 6.18, I neglected to take commit fb56fdf8b9a2 "mm/listlru: split the lock to per-cgroup scope" into account, and apparently I did not end up...

PT-2026-5507

In the Linux kernel, the following vulnerability has been resolved: rust binder: remove spin lock in rust shrink free page When forward-porting Rust Binder to 6.18, I neglected to take commit fb56fdf8b9a2 "mm/list lru: split the lock to per-cgroup scope" into account, and apparently I did not end...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the lack of removal of the spinlock in the rustshrinkfreepage function. This issue may lead to...