Red Hat Security Advisory 2019-3624-01 - The libseccomp library provides an interface to the Linux Kernel's syscall filtering mechanism, seccomp. The libseccomp API allows an application to specify which system calls or system call arguments the application is allowed to execute, all of which are then enforced by the Linux Kernel.
01255b3f7436bfd07539bcb1f10ebe753a201ef00f9f5c21e668df5ac3ab482bUbuntu Security Notice 4001-2 - USN-4001-1 fixed a vulnerability in libseccomp. This update provides the corresponding update for Ubuntu 14.04 ESM. Jann Horn discovered that libseccomp did not correctly generate 64-bit syscall argument comparisons with arithmetic operators. An attacker could use this to bypass intended access restrictions for argument-filtered system calls. Various other issues were also addressed.
3783ae85bece13ddc1bd387465ffc67476ccb3ef43cf43c7d11db72875308e08Ubuntu Security Notice 4001-1 - Jann Horn discovered that libseccomp did not correctly generate 64-bit syscall argument comparisons with arithmetic operators. An attacker could use this to bypass intended access restrictions for argument-filtered system calls.
23b5565883c626d654d99f5b47bd16b675b6316293fe57bab66ec2f2bf383ccfGentoo Linux Security Advisory 201904-18 - A vulnerability in libseccomp allows for privilege escalation. Versions less than 2.4.0 are affected.
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