block-copyfail

Краткое описание CVE-2026-31431 «Copy Fail» — это уязвимость повышения привилегий в ядре Linux в криптографическом интерфейсе algifaead. Злоумышленник использует сокеты AFALG с алгоритмом authencesn и splice для повреждения произвольных файлов в кэше страниц ядра — включая setuid-бинарники, такие...

deny-af-alg-bpf

deny-af-alg-bpf Описание BPF LSM-программа, которая блокирует создание сокетов AFALG криптографический API ядра Linux и логирует все попытки через ring buffer в пользовательское пространство. Что она делает Прикрепляется к хуку lsm/socketcreate Запрещает любой вызов socketAFALG, ... с кодом -EPER...

block-copyfail

block-copyfail Proof of concept — среда выполнения для смягчения последствий CVE-2026-31431 «Copy Fail» — повышения привилегий в ядре Linux через криптографический шаблон authencesn в algifaead. В отличие от блокировки модулей, это не требует перезагрузки. Программа BPF LSM перехватывает socketbi...

copy-fail-blocker

copy-fail-blocker BPF-LSM-смягчение для CVE-2026-31431 «Copy Fail» и RxRPC-варианта Dirty Frag, а также для аналогичных уязвимостей повышения привилегий, которые зависят от пользовательского доступа к внутриядерному криптопути с модификацией на месте, достижимому через семейства сокетов AFALG или...

PT-2026-94969

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the BPF LSM component where security bpf prog free is called via bpf prog put rcu, which serves as the call rcu callback for non-sleepable programs. This sequence...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: ADDADDR rtx: always decrease sk refcount CVE-2026-46158 In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: ADDADDR rtx: free sk if last CVE-2026-46170 In the Linux kernel, th...

Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2026-2143)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-2143 advisory. In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: ADDADDR rtx: always decrease sk refcount CVE-2026-46158 In the Linux kernel, the following vulnerability has been...

CVE-2026-80669

A flaw was found in the Linux kernel. A local attacker with the ability to load BPF Berkeley Packet Filter LSM Linux Security Module programs could exploit a vulnerability in the xfrmdecodesession hook. This could lead to a system panic, resulting in a Denial of Service DoS...

Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-2071)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-2071 advisory. In the Linux kernel, the following vulnerability has been resolved: afunix: Drop all SCM attributes for SOCKMAP. CVE-2026-53005 In the Linux kernel, the following vulnerability has been...

Important: kernel6.18

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: afunix: Drop all SCM attributes for SOCKMAP. CVE-2026-53005 In the Linux kernel, the following vulnerability has been resolved: netfs: Fix missing locking around retry adding new subreqs CVE-2026-64068 In the Linu...

SUSE CVE-2026-80669

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable xfrmdecodesession hook attachment BPF LSM programs can currently attach to xfrmdecodesession. That hook may return an error, but securityskbclassifyflow calls it from a void path and triggers BUGON if an error is...

CVE-2026-80669

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable xfrmdecodesession hook attachment BPF LSM programs can currently attach to xfrmdecodesession. That hook may return an error, but securityskbclassifyflow calls it from a void path and triggers BUGON if an error is...

CVE-2026-80669

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable xfrmdecodesession hook attachment BPF LSM programs can currently attach to xfrmdecodesession. That hook may return an error, but securityskbclassifyflow calls it from a void path and triggers BUGON if an error is...

UBUNTU-CVE-2026-80669

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable xfrmdecodesession hook attachment BPF LSM programs can currently attach to xfrmdecodesession. That hook may return an error, but securityskbclassifyflow calls it from a void path and triggers BUGON if an error is...

CVE-2026-80669 bpf: Disable xfrm_decode_session hook attachment

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable xfrmdecodesession hook attachment BPF LSM programs can currently attach to xfrmdecodesession. That hook may return an error, but securityskbclassifyflow calls it from a void path and triggers BUGON if an error is...

CVE-2026-80669

This Linux kernel vulnerability affects the interaction between BPF LSM programs and the xfrm_decode_session() hook. BPF LSM programs can attach to this hook, which may return an error. However, security_skb_classify_flow() invokes the hook from a void path and triggers a BUG_ON() if an error is ...

EUVD-2026-67545

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable xfrmdecodesession hook attachment BPF LSM programs can currently attach to xfrmdecodesession. That hook may return an error, but securityskbclassifyflow calls it from a void path and triggers BUGON if an error is...

CVE-2026-80669 bpf: Disable xfrm_decode_session hook attachment

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable xfrmdecodesession hook attachment BPF LSM programs can currently attach to xfrmdecodesession. That hook may return an error, but securityskbclassifyflow calls it from a void path and triggers BUGON if an error is...

CVE-2026-80669: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable xfrmdecodesession hook attachment BPF LSM programs can currently attach to xfrmdecodesession. That hook may return an error, but securityskbclassifyflow calls it from a void path and triggers BUGON if an error is...

Linux Distros Unpatched Vulnerability : CVE-2026-80669

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: Disable xfrmdecodesession hook attachment BPF LSM programs can currently attach to xfrmdecodesession. That hook may return an error, but...