CVE-2026-31431-detection-defense

CVE-2026-31431: iouringによる既存検知回避の検出と防御 著者 : fz0x00, qiwuSEC 研究 CVE-2026-31431（「Copy Fail」）について、我々は3つのバイパス戦略を組み合わせることで、主流のセキュリティ製品における体系的な弱点を実証しました：iouring非同期I/Oパス 、プロセス分割（fork + SCMRIGHTS） 、およびソケット再利用 です。実証テストを通じて、これらの手法が事実上すべてのシステムコールベースの検出ツールを回避できることを証明しました。 主な発見 1...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-053369)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-053369 advisory. In the Linux kernel, the following vulnerability has been resolved: iouring: drop any code related to SCMRIGHTS This is dead code after we dropped support for passin...

CVE-2026-45536: Exposure of Sensitive Information to an Unauthorized Actor

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, nettyunixsocketrecvFd sets msgcontrol to char controlCMSGSPACEsizeofint line 940 — 24 bytes on 64-bit Linux. A peer-sent SCMRIGHTS cmsg carrying two ints has...

CVE-2026-45966: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix NULL pointer dereference in unixneedsrevalidation When receiving file descriptors via SCMRIGHTS, both the socket pointer and the socket's sk pointer can be NULL during socket setup or teardown, causing NULL pointer...

EulerOS 2.0 SP11 : kernel (EulerOS-SA-2024-2207)

"According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : In the Linux kernel, the following vulnerability has been resolved: afunix: Fix garbage collector racing against connect Garbage collector does n...

SUSE SLES15 Security Update : kernel (SUSE-SU-2024:2973-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:2973-1 advisory. The SUSE Linux Enterprise 15 SP6 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: -...

CVE-2023-52656

In the Linux kernel, the following vulnerability has been resolved: iouring: drop any code related to SCMRIGHTS This is dead code after we dropped support for passing iouring fds over SCMRIGHTS, get rid of it...

CVE-2023-52656

In the Linux kernel, the following vulnerability has been resolved: iouring: drop any code related to SCMRIGHTS This is dead code after we dropped support for passing iouring fds over SCMRIGHTS, get rid of it...

CVE-2023-52656 io_uring: drop any code related to SCM_RIGHTS

In the Linux kernel, the following vulnerability has been resolved: iouring: drop any code related to SCMRIGHTS This is dead code after we dropped support for passing iouring fds over SCMRIGHTS, get rid of it...

CVE-2023-52656 io_uring: drop any code related to SCM_RIGHTS

In the Linux kernel, the following vulnerability has been resolved: iouring: drop any code related to SCMRIGHTS This is dead code after we dropped support for passing iouring fds over SCMRIGHTS, get rid of it...

CVE-2023-52656

In the Linux kernel, the following vulnerability has been resolved: iouring: drop any code related to SCMRIGHTS This is dead code after we dropped support for passing iouring fds over SCMRIGHTS, get rid of it...

CVE-2023-52656 io_uring: drop any code related to SCM_RIGHTS

In the Linux kernel, the following vulnerability has been resolved: iouring: drop any code related to SCMRIGHTS This is dead code after we dropped support for passing iouring fds over SCMRIGHTS, get rid of it...

CVE-2023-52656

CVE-2023-52656 is a Linux kernel issue where io_uring code related to SCM_RIGHTS was removed after dropping support for passing io_uring fds over SCM_RIGHTS. The vulnerability stems from dead code eliminated in the io_uring path, with advisories from Astra Linux and Nessus-based advisories descri...

CVE-2023-52656: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: iouring: drop any code related to SCMRIGHTS This is dead code after we dropped support for passing iouring fds over SCMRIGHTS, get rid of it...

CVE-2024-26923

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix garbage collector racing against connect Garbage collector does not take into account the risk of embryo getting enqueued during the garbage collection. If such embryo has a peer that carries SCMRIGHTS, two consecutiv...

CVE-2024-26923 af_unix: Fix garbage collector racing against connect()

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix garbage collector racing against connect Garbage collector does not take into account the risk of embryo getting enqueued during the garbage collection. If such embryo has a peer that carries SCMRIGHTS, two consecutiv...

CVE-2024-26923

CVE-2024-26923 in the Linux kernel exposes a race in the AF_UNIX garbage collector during connect() handling. An embryo enqueued during GC may be reachable via a peer with SCM_RIGHTS, causing two consecutive scan passes to observe different child sets and inflate the inflight count, which can lea...

CVE-2024-26923 af_unix: Fix garbage collector racing against connect()

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix garbage collector racing against connect Garbage collector does not take into account the risk of embryo getting enqueued during the garbage collection. If such embryo has a peer that carries SCMRIGHTS, two consecutiv...

CVE-2024-26923 af_unix: Fix garbage collector racing against connect()

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix garbage collector racing against connect Garbage collector does not take into account the risk of embryo getting enqueued during the garbage collection. If such embryo has a peer that carries SCMRIGHTS, two consecutiv...

CVE-2024-26676

In the Linux kernel, the following vulnerability has been resolved: afunix: Call kfreeskb for dead unixsk-oobskb in GC. syzbot reported a warning 0 in unixgc with a repro, which creates a socketpair and sends one socket's fd to itself using the peer. socketpairAFUNIX, SOCKSTREAM, 0, 3, 4 = 0...