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CVE-2018-10901

Status Candidate

Overview

A flaw was found in Linux kernel's KVM virtualization subsystem. The VMX code does not restore the GDT.LIMIT to the previous host value, but instead sets it to 64KB. With a corrupted GDT limit a host's userspace code has an ability to place malicious entries in the GDT, particularly to the per-cpu variables. An attacker can use this to escalate their privileges.

Related Files

Red Hat Security Advisory 2018-2391-01
Posted Aug 15, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2391-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a speculative execution vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2018-10901, CVE-2018-3620, CVE-2018-3646
SHA-256 | e0918e305e3fc1408bdb123ee18582a548b098d88b875af92d2b93fa76e4f780
Red Hat Security Advisory 2018-2393-01
Posted Aug 15, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2393-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a speculative execution vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2018-10901, CVE-2018-3620, CVE-2018-3646
SHA-256 | eb26a0479759b3cd568f0f586550ccb96de56c27d15cb93637e68ea3bde94bef
Red Hat Security Advisory 2018-2394-01
Posted Aug 15, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2394-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a bypass vulnerability.

tags | advisory, kernel, bypass
systems | linux, redhat
advisories | CVE-2018-10901, CVE-2018-3620, CVE-2018-3639, CVE-2018-3646
SHA-256 | 96350d9f9d8697afd9a480724105b5aef15a51d0552d68e86492a160c232117a
Red Hat Security Advisory 2018-2392-01
Posted Aug 15, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2392-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a speculative execution vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2018-10901, CVE-2018-3620, CVE-2018-3646
SHA-256 | 044fae32edc1ef7d67944bde621ecbeb436954abee5f536e51168d50339e888a
Red Hat Security Advisory 2018-2390-01
Posted Aug 15, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2390-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include bypass, denial of service, and use-after-free vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2017-0861, CVE-2017-15265, CVE-2018-1000004, CVE-2018-10901, CVE-2018-3620, CVE-2018-3646, CVE-2018-3693, CVE-2018-7566
SHA-256 | 15eaed3e014c6abcd7ef4aea5c724475e760f7f6f793ec69de76aed893e74d80
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