certfr_avis - certfr-2022-avi-317

CERTFR-2022-AVI-317

Vulnerability from certfr_avis - Published: - Updated:

Une vulnérabilité a été découverte dans Citrix Hypervisor. Elle permet à un attaquant de provoquer un déni de service.

Solution

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

None

Impacted products

Vendor	Product	Description
Citrix	Citrix Hypervisor	Citrix Hypervisor 8.2 sans le correctif XS82E039
Citrix	Citrix Hypervisor	Citrix Hypervisor 7.1 (mise à jour cumulative 2) sans le correctif XS71ECU2073
Citrix	Citrix Hypervisor	Citrix Hypervisor 8.2 (mise à jour cumulative 1) sans le correctif XS8ECU1007

References

Title

Publication Time

CVE-2022-26357 (GCVE-0-2022-26357)

Vulnerability from cvelistv5 – Published: 2022-04-05 00:00 – Updated: 2024-08-03 05:03

Summary

race in VT-d domain ID cleanup Xen domain IDs are up to 15 bits wide. VT-d hardware may allow for only less than 15 bits to hold a domain ID associating a physical device with a particular domain. Therefore internally Xen domain IDs are mapped to the smaller value range. The cleaning up of the housekeeping structures has a race, allowing for VT-d domain IDs to be leaked and flushes to be bypassed.

Severity ?

No CVSS data available.

CWE

unknown

Assigner

XEN

References

URL

Tags

	https://xenbits.xenproject.org/xsa/advisory-399.txt
	http://xenbits.xen.org/xsa/advisory-399.html
	http://www.openwall.com/lists/oss-security/2022/04/05/2	mailing-list
	https://www.debian.org/security/2022/dsa-5117	vendor-advisory
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
	https://security.gentoo.org/glsa/202402-07	vendor-advisory

Impacted products

	Vendor	Product	Version
	Xen	xen	Unknown: consult Xen advisory XSA-399

Credits

{'credit_data': {'description': {'description_data': [{'lang': 'eng', 'value': 'This issue was discovered by Jan Beulich of SUSE.'}]}}}

Show details on NVD website

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

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