EUVD-2015-3338

Malware in sbrugna...

kernel: x86-64: IRET faults during NMIs processing

A flaw was found in the way the Linux kernel handled IRET faults during the processing of NMIs. An unprivileged, local user could use this flaw to crash the system or, potentially although highly unlikely, escalate their privileges on the system...

openSUSE Security Update : the Linux Kernel (openSUSE-2015-686)

The openSUSE 13.2 kernel was updated to receive various security and bugfixes. Following security bugs were fixed : - CVE-2015-3290: arch/x86/entry/entry64.S in the Linux kernel on the x8664 platform improperly relied on espfix64 during nested NMI processing, which allowed local users to gain...

CVE-2015-3290

arch/x86/entry/entry64.S in the Linux kernel before 4.1.6 on the x8664 platform improperly relies on espfix64 during nested NMI processing, which allows local users to gain privileges by triggering an NMI within a certain instruction window...

Code injection

arch/x86/entry/entry64.S in the Linux kernel before 4.1.6 on the x8664 platform improperly relies on espfix64 during nested NMI processing, which allows local users to gain privileges by triggering an NMI within a certain instruction window...

CVE-2015-3291

CVE-2015-3291 concerns the Linux kernel before 4.1.6 on the x86_64 platform. The issue is that nested NMI processing is not properly detected, allowing a local attacker to trigger a denial of service (skipped NMI) by manipulating the rsp register, issuing a syscall, and triggering an NMI. Affecte...

CVE-2015-3290

The connected Astra Linux bulletin describes CVE-2015-3290 in the Linux kernel context and confirms the vulnerability fix: limiting the Haswell performance counter period to mitigate NMI-related privilege escalation. It documents that the issue stemmed from a too-small initial frequency-estimatio...

CVE-2015-3290

arch/x86/entry/entry64.S in the Linux kernel before 4.1.6 on the x8664 platform improperly relies on espfix64 during nested NMI processing, which allows local users to gain privileges by triggering an NMI within a certain instruction window...