block-copyfail

Summary CVE-2026-31431 "Copy Fail" is a Linux kernel privilege escalation vulnerability in the algifaead cryptographic interface. An attacker uses AFALG sockets with the authencesn algorithm and splice to corrupt arbitrary files in the kernel page cache — including setuid binaries like /usr/bin/s...

deny-af-alg-bpf

deny-af-alg-bpf Description BPF LSM program that blocks AFALG Linux kernel crypto API socket creation and logs all attempts via a ring buffer to userspace. What it does Attaches to the lsm/socketcreate hook Denies any socketAFALG, ... call with -EPERM Emits structured events pid, comm to a BPF ri...

block-copyfail

block-copyfail CVE-2026-31431"Copy Fail"에 대한 개념 증명 런타임 완화 — algifaead의 authencesn 암호화 템플릿을 통한 Linux 커널 권한 상승 취약점입니다. 모듈 블랙리스트와 달리 재부팅이 필요 없습니다. BPF LSM 프로그램이 socketbind를 후킹하여 Copy Fail이 악용하는 하위 시스템인 모든 AFALG AEAD 바인드를 차단합니다. 이는 암호화 템플릿 중첩예: pcryptauthencesn...을 통한 우회를 방지합니다. 다른 AFALG 사용hash,...

copy-fail-blocker

copy-fail-blocker BPF-LSM mitigation for CVE-2026-31431 "Copy Fail" and the RxRPC variant of Dirty Frag, and for similar privilege-escalation vulnerabilities that depend on userspace access to a kernel-side in-place crypto path reachable via the AFALG or AFRXRPC socket families. A small DaemonSet...

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...

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...

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...

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 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: 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...

PT-2026-82969

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description BPF LSM programs can attach to the xfrm decode session hook. Because security skb classify flow calls this hook from a void path, any error returned by the hook triggers a BUG ON...