Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: walking over the current view in netlink dump The generation mask can be updated while netlink dump is in progress. The iterator for the pipapo set backend cannot rely on it to infer which view of the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftsetpipapo: prevents overflow in lookup table allocation When calculating the size of the lookup table, ensure that the following multiplication does not cause an overflow: - The maximum value of desc-fieldlen is...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: do not free live element Pablo reported a crash when processing large batches of elements with a back-to-back add/remove pattern. Quoting Pablo: addelem"00000000" timeout 100 ms ... addelem"0000000X"...

PT-2026-72440

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory allocation failure in the netfilter module can cause a cloned nft pipapo match structure to enter an inconsistent state. This occurs when lookup tables are partially resized, bi...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftsetpipapo: clamp the maximum map bucket size to INTMAX Otherwise, a WARNONONCE error may occur in kvmallocnodenoprof when resizing the hashtable, because GFPNOWARN is not set. Similar issues include: b541ba7d1f5a...

CVE-2026-43453

A flaw was found in the Linux kernel's netfilter component, specifically within the nftsetpipapo module. The pipapodrop function performs a stack out-of-bounds read. This occurs when an argument is evaluated at the call site before the function body executes, leading to a read beyond the allocate...

UBUNTU-CVE-2026-43453

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: fix stack out-of-bounds read in pipapodrop pipapodrop passes rulemapi + 1.n to pipapounmap as the tooffset argument on every iteration, including the last one where i == m-fieldcount - 1. This reads one...

CVE-2026-43114

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapoavx2: don't return non-matching entry on expiry New test case fails unexpectedly when avx2 matching functions are used. The test first loads a ranomly generated pipapo set with 'ipv4 . port' key, i.e. nft -...

CVE-2026-43114

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapoavx2: don't return non-matching entry on expiry New test case fails unexpectedly when avx2 matching functions are used. The test first loads a ranomly generated pipapo set with 'ipv4 . port' key, i.e. nft -...

Linux kernel 安全漏洞

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, caused by an error in the mask used by the nftsetpipapoavx2 function when matching expired entries, which may lead...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-012966)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-012966 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: walk over current view on netlink dump The generation mask can be update...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-012987)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-012987 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: do not free live element Pablo reports a crash with large batches of...

netfilter: nft_set_pipapo: split gc into unlink and reclaim phase

...

SUSE CVE-2026-23351

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: split gc into unlink and reclaim phase Yiming Qian reports Use-after-free in the pipapo set type: Under a large number of expired elements, commit-time GC can run for a very long time in a non-preemptible...

EUVD-2026-15323

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: split gc into unlink and reclaim phase Yiming Qian reports Use-after-free in the pipapo set type: Under a large number of expired elements, commit-time GC can run for a very long time in a non-preemptible...

CVE-2026-23351

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: split gc into unlink and reclaim phase Yiming Qian reports Use-after-free in the pipapo set type: Under a large number of expired elements, commit-time GC can run for a very long time in a non-preemptible...

CVE-2026-23351

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: split gc into unlink and reclaim phase Yiming Qian reports Use-after-free in the pipapo set type: Under a large number of expired elements, commit-time GC can run for a very long time in a non-preemptible...

CVE-2026-23351

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: split gc into unlink and reclaim phase Yiming Qian reports Use-after-free in the pipapo set type: Under a large number of expired elements, commit-time GC can run for a very long time in a non-preemptible...

CVE-2026-23351 netfilter: nft_set_pipapo: split gc into unlink and reclaim phase

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: split gc into unlink and reclaim phase Yiming Qian reports Use-after-free in the pipapo set type: Under a large number of expired elements, commit-time GC can run for a very long time in a non-preemptible...

CVE-2026-23351

CVE-2026-23351 affects the Linux kernel netfilter nft_set_pipapo data type. The issue is a use-after-free in the pipapo set when many elements are expired and the commit-time garbage collection (GC) can run for a long time in a non-preemptible context, triggering soft lockups and RCU stalls. The ...