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

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftables: The backend for setting up DEAD bits was changed to use the GC transaction API. The old and buggy gc API and the busy mark approach have been replaced with the GC transaction API. No set elements are remov...

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"...

SUSE-SU-2026:23244-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and Micro 6.1 kernel was updated to fix various security issues: The following security issues were fixed: - CVE-2025-68741: scsi: qla2xxx: Fix improper freeing of purex item bsc1255703. - CVE-2025-68818: scsi: Revert "scsi: qla2xxx: Perform lockless command...

PT-2026-72440

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft set pipapo: don't leak bad clone into future transaction On memory allocation failure the cloned nft pipapo match can enter a bad state: - some fields can have their lookup tables resized while others did not - bit...

Astra Linux – Vulnerability in 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...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetpipapo: The garbage collection process is split into two phases—unlink and reclaim. Yiming Qian reported a use-after-free issue in the pipapo set type: Under a large number of expired elements, commit-time garbag...

SUSE 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-2026-43453

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...

EUVD-2026-28759

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-2026-43453

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...

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-2026-43453

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-2026-43453 netfilter: nft_set_pipapo: fix stack out-of-bounds read in pipapo_drop()

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-2026-43453 netfilter: nft_set_pipapo: fix stack out-of-bounds read in pipapo_drop()

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-2026-43453

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-2026-43453

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-2026-43453

CVE-2026-43453 is a Linux kernel issue in the netfilter nft_set_pipapo path. The bug is a stack out-of-bounds read in pipapo_drop(), where rulemap[i+1].n is passed to pipapo_unmap() on every iteration, including the last when i == m->field_count-1. This reads past the end of the stack-allocate...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the pipapo Drop function in the netfilter nftsetpipapo component. During each iteration, the rulemapi+1...

Linux Distros Unpatched Vulnerability : CVE-2026-43453

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: nftsetpipapo: fix stack out-of-bounds read in pipapodrop pipapodrop passes rulemapi + 1.n to pipapounmap as the tooffset argument on every iteration,...