CVE-2014-8594 — Vulnetix

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CVE-2014-8594 PUBLISHED

The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).

EPSS 1.42% · 80.4th percentile

Risk Scores

EPSS Score

1.42%

80.4th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:14.04:LTS	xen	0, 4.3.0-1ubuntu1, 4.3.0-1ubuntu2

Timeline

Nov 18, 2014 CVE Published
Feb 4, 2022 EPSS Score
Mar 28, 2022 EPSS Score
May 19, 2022 EPSS Score
Jul 10, 2022 EPSS Score
Oct 23, 2022 EPSS Score
Dec 14, 2022 EPSS Score
Feb 4, 2023 EPSS Score
Mar 7, 2023 EPSS Score
Mar 28, 2023 EPSS Score
May 19, 2023 EPSS Score
Jul 10, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2014-8594 third-party-advisory
http://xenbits.xen.org/xsa/advisory-109.html third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2014-8594 third-party-advisory

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