Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netsched: clsflow: validate TCAFLOWRSHIFT attribute The syzbot found that the TCAFLOWRSHIFT attribute was not validated. Shifting a 32-bit integer is undefined for large shift values. UBSAN: Shift-out-of-bounds in...

CVE-2026-64006

A flaw was found in the Linux kernel's Netfilter nftables component. This vulnerability occurs during lshift and rshift operations when the source and destination registers point to the same memory location. An incorrect calculation of the carry value, using the modified destination instead of th...

CVE-2026-64006: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix dst corruption in same register operation For lshift and rshift, the shift operations are performed in a loop over 32-bit words. The loop calculates the shifted value and write it to dst, and then...

UBUNTU-CVE-2025-21653

In the Linux kernel, the following vulnerability has been resolved: netsched: clsflow: validate TCAFLOWRSHIFT attribute syzbot found that TCAFLOWRSHIFT attribute was not validated. Right shitfing a 32bit integer is undefined for large shift values. UBSAN: shift-out-of-bounds in...

PT-2022-37123

Name of the Vulnerable Software and Affected Versions No specific software or versions are mentioned in the provided description. Description The issue is related to a crash type of Segv on an unknown address. The crash state involves several functions, including urshift, mpz div 2exp, and mrb bi...

mruby:mruby_proto_fuzzer: Segv on unknown address in urshift

Project: https://github.com/mruby/mruby.git Detailed Report: https://oss-fuzz.com/testcase?key=6172524181848064 Project: mruby Fuzzing Engine: libFuzzer Fuzz Target: mrubyprotofuzzer Job Type: libfuzzerasanmruby Platform Id: linux Crash Type: Segv on unknown address Crash Address: Crash State:...

wolfssl:cryptofuzz-disable-fastmath: Heap-buffer-overflow in mp_mod_2d

Project: https://github.com/wolfssl/wolfssl.git Detailed Report: https://oss-fuzz.com/testcase?key=6035277261438976 Project: wolfssl Fuzzing Engine: honggfuzz Fuzz Target: cryptofuzz-disable-fastmath Job Type: honggfuzzasanwolfssl Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 8 Crash...

Linux/x86 - execve(/bin/sh) + ROT-13 + RShift-2 + XOR Encoded Shellcode (44 bytes)

Linux/x86 - execve/bin/sh + ROT-13 + RShift-2 + XOR Encoded Shellcode 44 bytes. Shellcode exploit for Linuxx86 platform / ; Title : Execve /bin/sh Shellcode encoded with ROT-13 + RShift-2 + XOR ; Date : April, 2018 ; Author : Nuno Freitas ; Blog Post :...