Ubuntu 14.04 LTS : Linux kernel vulnerabilities (USN-3655-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3655-1 advisory. Jann Horn and Ken Johnson discovered that microprocessors utilizing speculative execution of a memory read may allow unauthorized memory reads via a...

USN-3655-2: Linux kernel (Trusty HWE) vulnerabilities

USN-3655-1 fixed vulnerabilities and added mitigations in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 ESM. Jann Horn and Ken Johnson discovered that microprocessors...

USN-3655-1: Linux kernel vulnerabilities

Jann Horn and Ken Johnson discovered that microprocessors utilizing speculative execution of a memory read may allow unauthorized memory reads via a sidechannel attack. This flaw is known as Spectre Variant 4. A local attacker could use this to expose sensitive information, including kernel memor...

[SECURITY] [DSA 2926-1] linux security update

------------------------------------------------------------------------- Debian Security Advisory DSA-2926-1 [email protected] http://www.debian.org/security/ Moritz Muehlenhoff May 12, 2014 http://www.debian.org/security/faq -...

Linux Kernel 3.7.6 (RedHat x86/x64) - 'MSR' Driver Privilege Escalation

// PoC exploit for /dev/cpu//msr, 32bit userland on a 64bit host // can do whatever in the commented area, re-enable module support, etc // requires CONFIGX86MSR and just uid 0 // a small race exists between the time when the MSR is written to the first // time and when we issue our sysenter // w...

Important: Red Hat Security Advisory: kernel security update

Updated kernel packages that fix several security issues in the Red Hat Enterprise Linux 3 kernel are now available. This security advisory has been rated as having important security impact by the Red Hat Security Response Team. The Linux kernel handles the basic functions of the operating syste...