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Gentoo Linux: CVE-2015-7835: Xen: Multiple vulnerabilities

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Gentoo Linux: CVE-2015-7835: Xen: Multiple vulnerabilities

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
10/30/2015
Created
07/25/2018
Added
10/30/2017
Modified
10/30/2017

Description

The mod_l2_entry function in arch/x86/mm.c in Xen 3.4 through 4.6.x does not properly validate level 2 page table entries, which allows local PV guest administrators to gain privileges via a crafted superpage mapping.

Solution(s)

  • gentoo-linux-upgrade-app-emulation-pvgrub
  • gentoo-linux-upgrade-app-emulation-xen
  • gentoo-linux-upgrade-app-emulation-xen-pvgrub
  • gentoo-linux-upgrade-app-emulation-xen-tools

References

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