Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005771)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005771 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: do not ignore genmask when looking up chain by id When adding a rule to a...

EUVD-2025-31895

Malicious code in bioql PyPI...

CVE-2023-53492 netfilter: nf_tables: do not ignore genmask when looking up chain by id

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: do not ignore genmask when looking up chain by id When adding a rule to a chain referring to its ID, if that chain had been deleted on the same batch, the rule might end up referring to a deleted chain. This...

CVE-2023-53492 netfilter: nf_tables: do not ignore genmask when looking up chain by id

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: do not ignore genmask when looking up chain by id When adding a rule to a chain referring to its ID, if that chain had been deleted on the same batch, the rule might end up referring to a deleted chain. This...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from an omission to generate a mask when looking up a chain, which could result in a reference to a deleted chain...

VulnCheck KEV: CVE-2023-31248

Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability; nftchainlookupbyid failed to check whether a chain was active and CAPNETADMIN is in any user or network namespace...

kernel: nf_tables: use-after-free in nft_chain_lookup_byid()

A use-after-free flaw was found in the Linux kernel's Netfilter module in net/netfilter/nftablesapi.c in nftchainlookupbyid. This flaw allows a local attacker to cause a local privilege escalation issue due to a missing cleanup...

kernel: nf_tables: use-after-free in nft_chain_lookup_byid()

A use-after-free flaw was found in the Linux kernel's Netfilter module in net/netfilter/nftablesapi.c in nftchainlookupbyid. This flaw allows a local attacker to cause a local privilege escalation issue due to a missing cleanup...

kernel: nf_tables: use-after-free in nft_chain_lookup_byid()

A use-after-free flaw was found in the Linux kernel's Netfilter module in net/netfilter/nftablesapi.c in nftchainlookupbyid. This flaw allows a local attacker to cause a local privilege escalation issue due to a missing cleanup...

DEBIAN-CVE-2023-31248

Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability; nftchainlookupbyid failed to check whether a chain was active and CAPNETADMIN is in any user or network namespace...

PT-2025-26138

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel's netfilter nf tables component allows a chain from a different table to be used when doing lookups for chains on the same batch by using its ID. If a...