Important: Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

Updated kernel-rt packages that fix two security issues, several bugs, and add various enhancements are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base scores, which giv...

RHEL 7 : kernel (RHSA-2016:0103)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2016:0103 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. It was found that the x86 ISA Instruction Set...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

Updated kernel packages that fix three security issues, multiple bugs, and one enhancement are now available for Red Hat Enterprise Linux 7.1 Extended Update Support. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base...

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-2015-5157

arch/x86/entry/entry64.S in the Linux kernel before 4.1.6 on the x8664 platform mishandles IRET faults in processing NMIs that occurred during userspace execution, which might allow local users to gain privileges by triggering an NMI...

AZL-34324 CVE-2015-5157 affecting package kernel for versions less than 5.15.153.1-1

arch/x86/entry/entry64.S in the Linux kernel before 4.1.6 on the x8664 platform mishandles IRET faults in processing NMIs that occurred during userspace execution, which might allow local users to gain privileges by triggering an NMI...

CVE-2015-3291

arch/x86/entry/entry64.S in the Linux kernel before 4.1.6 on the x8664 platform does not properly determine when nested NMI processing is occurring, which allows local users to cause a denial of service skipped NMI by modifying the rsp register, issuing a syscall instruction, and triggering an NM...

CVE-2015-3291

arch/x86/entry/entry64.S in the Linux kernel before 4.1.6 on the x8664 platform does not properly determine when nested NMI processing is occurring, which allows local users to cause a denial of service skipped NMI by modifying the rsp register, issuing a syscall instruction, and triggering an NM...

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...

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...

Design/Logic Flaw

arch/x86/entry/entry64.S in the Linux kernel before 4.1.6 on the x8664 platform mishandles IRET faults in processing NMIs that occurred during userspace execution, which might allow local users to gain privileges by triggering an NMI...

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-2015-5157

arch/x86/entry/entry64.S in the Linux kernel before 4.1.6 on the x8664 platform mishandles IRET faults in processing NMIs that occurred during userspace execution, which might allow local users to gain privileges by triggering an NMI...

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

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-2015-5157

CVE-2015-5157 affects the Linux kernel prior to 4.1.6 on x86_64. The issue is in arch/x86/entry/entry_64.S where IRET faults during NMIs that occur in userspace are mishandled, potentially allowing a local user to gain privileges. The vulnerability is described in several connected advisories as ...

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...

Linux Nested NMIs Privilege Escalation

/ +++++ CVE-2015-3290 +++++ High impact NMI bug on x8664 systems 3.13 and newer, embargoed. Also fixed by: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b6e6a8334d56354853f9c255d1395c2ba570e0a The other fix synchronous modifyldt does not fix CVE-2015-3290. You can...

Linux Kernel - 'espfix64' Nested NMIs Interrupting Privilege Escalation

/ +++++ CVE-2015-3290 +++++ High impact NMI bug on x8664 systems 3.13 and newer, embargoed. Also fixed by: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b6e6a8334d56354853f9c255d1395c2ba570e0a The other fix synchronous modifyldt does not fix CVE-2015-3290. You can...