CVE-2026-31431-Copy-Fail---Minified-LPE-PoC

CVE-2026-31431-CopyFail---Minified-LPE-PoC ⚠️ Disclaimer For Educational and Authorized Security Testing Purposes Only. This Proof-of-Concept PoC was synthesized for authorized Red Team emulation and vulnerability auditing. The authors and contributors assume no liability for the misuse of this...

CVE-2026-31431-EXPLOIT

CVE-2026-31431 - Copy Fail This vulnerability allows an unprivileged local attacker to gain root privileges on a vulnerable Linux system. ⚠️ DISCLAIMER This code is provided for educational and security research purposes only. It demonstrates a hypothetical vulnerability CVE-2026-31431 in the Linu...

CVE-2026-31431-CopyFail

root@kitploit: ██████╗ ██████╗ ██████╗ ██╗ ██╗ ███████╗ █████╗ ██╗██╗ ██╔════╝██╔═══██╗██╔══██╗╚██╗ ██╔╝ ██╔════╝██╔══██╗██║██║ ██║ ██║ ██║██████╔╝ ╚████╔╝ █████╗ ███████║██║██║ ██║ ██║ ██║██╔═══╝ ╚██╔╝ ██╔══╝ ██╔══██║██║██║ ╚██████╗╚██████╔╝██║ ██║ ██║ ██║ ██║██║███████╗ ╚═════╝ ╚═════╝ ╚═╝ ╚═╝...

CVE-2026-31431

CVE-2026-31431 Structure root@kitploit: . ├── container │ ├── container.md Container escape ideas │ ├── expenv Container environment │ │ ├── bin │ │ │ ├── gscontainer │ │ │ └── share │ │ ├── Dockerfile │ │ ├── run.sh │ │ └── src │ │ ├── gscontainer.c │ │ └── share.c │ ├── images │ │ ├──...

rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present (CVE-2026-43500)

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present The DATA-packet handler in rxrpcinputcallevent and the RESPONSE handler in rxrpcverifyresponse copy the skb to a linear one before calling into the security o...

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

In the Linux kernel, the following vulnerabilities have been resolved: ipv4, ipv6: Fixed the handling of transhdrlen in ip,6appenddata. Including transhdrlen in the packet length is a problem when the packet is partially filled e.g., a sendMSGMORE operation occurred previously when appending to a...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net/smc: Fixed a double-free of the smcspdpriv variable when tee duplicates the splice pipe buffer. The smcrxsplice function allocates one smcspdpriv per pipebuffer and stores the pointer in pipebuffer.private. The operations...

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

In the Linux kernel, the following vulnerabilities have been resolved: rxrpc: DATA/RESPONSE packets are also unshared when paged fragments are present. The DATA-packet handler in rxrpcinputcallevent and the RESPONSE handler in rxrpcverifyresponse copy the skb into a linear sequence before calling...

Astra Linux – Vulnerability in Linux 5.10

There exists a use-after-free vulnerability in the Linux kernel through the iouring mechanism and the IORINGOPSPLICE operation. If the IORINGOPSPLICE operation lacks the IOWQWORKFILES flag, it indicates that the operation will not utilize current-nsproxy. As a result, its reference counter is not...

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

A memory write flaw that is outside the bounds of the system’s security was discovered in the Linux kernel’s Transport Layer Security functionality. This flaw allows a local user to cause a crash or potentially escalate their privileges on the system...

CVE-2026-89499 ring-buffer: Stop remote reader update when page swap fails

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Stop remote reader update when page swap fails The remote swapreaderpage callback can return -EBUSY when the writer moves the head before the remote catches it, particularly during an event storm on a small buffer...

PT-2026-90215

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Stop remote reader update when page swap fails The remote swap reader page callback can return -EBUSY when the writer moves the head before the remote catches it, particularly during an event storm on a small buffer...

copy-fail-python

copy-fail-python A compact, zero-dependency Python proof-of-concept for Copy Fail CVE-2026-31431, a Linux kernel local privilege escalation through AFALG and splice that corrupts the page cache of a readable file such as /usr/bin/su. This is a port of the Theori PoC with two practical changes: th...

SUSE CVE-2026-80904

In the Linux kernel, the following vulnerability has been resolved: net/tls: Fail tlsswspliceread after a failed async decrypt When an async decrypt fails, tlsdecryptdone records the error in ctx-asyncwait.err and calls tlserrabort, which stores it in skerr. tlsswrecvmsg and tlsswreadsock each re...

AZL-99525 CVE-2026-80904 affecting package kernel 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: net/tls: Fail tlsswspliceread after a failed async decrypt When an async decrypt fails, tlsdecryptdone records the error in ctx-asyncwait.err and calls tlserrabort, which stores it in skerr. tlsswrecvmsg and tlsswreadsock each re...

CVE-2026-80904

In the Linux kernel, the following vulnerability has been resolved: net/tls: Fail tlsswspliceread after a failed async decrypt When an async decrypt fails, tlsdecryptdone records the error in ctx-asyncwait.err and calls tlserrabort, which stores it in skerr. tlsswrecvmsg and tlsswreadsock each re...

CVE-2026-80904 net/tls: Fail tls_sw_splice_read() after a failed async decrypt

In the Linux kernel, the following vulnerability has been resolved: net/tls: Fail tlsswspliceread after a failed async decrypt When an async decrypt fails, tlsdecryptdone records the error in ctx-asyncwait.err and calls tlserrabort, which stores it in skerr. tlsswrecvmsg and tlsswreadsock each re...

CVE-2026-80904

In the Linux kernel, the following vulnerability has been resolved: net/tls: Fail tlsswspliceread after a failed async decrypt When an async decrypt fails, tlsdecryptdone records the error in ctx-asyncwait.err and calls tlserrabort, which stores it in skerr. tlsswrecvmsg and tlsswreadsock each re...

CVE-2026-80904 net/tls: Fail tls_sw_splice_read() after a failed async decrypt

In the Linux kernel, the following vulnerability has been resolved: net/tls: Fail tlsswspliceread after a failed async decrypt When an async decrypt fails, tlsdecryptdone records the error in ctx-asyncwait.err and calls tlserrabort, which stores it in skerr. tlsswrecvmsg and tlsswreadsock each re...

EUVD-2026-71663

In the Linux kernel, the following vulnerability has been resolved: net/tls: Fail tlsswspliceread after a failed async decrypt When an async decrypt fails, tlsdecryptdone records the error in ctx-asyncwait.err and calls tlserrabort, which stores it in skerr. tlsswrecvmsg and tlsswreadsock each re...