ALT Linux Team

Package kernel-image-un-def update in sisyphus on 2018-08-07

ALT-PU-2018-2108-1

Package kernel-image-un-def updated to version 4.17.13-alt1 for branch sisyphus in task 211122.

Closed vulnerabilities

Published: 2018-07-24

BDU:2019-01344

Уязвимость функции xen_failsafe_callback гипервизора Xen, позволяющая нарушителю вызвать отказ в обслуживании или повысить свои привилегии

Severity: HIGH (7.8) Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References:
Published: 2018-07-28
Modified: 2024-11-21

CVE-2018-14678

An issue was discovered in the Linux kernel through 4.17.11, as used in Xen through 4.11.x. The xen_failsafe_callback entry point in arch/x86/entry/entry_64.S does not properly maintain RBX, which allows local users to cause a denial of service (uninitialized memory usage and system crash). Within Xen, 64-bit x86 PV Linux guest OS users can trigger a guest OS crash or possibly gain privileges.

Severity: HIGH (7.8) Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References:
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Version: 2.1.0
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