VulnerabilityModified
CVE-2018-7541
An issue was discovered in Xen through 4.10.x allowing guest OS users to cause a denial of service (hypervisor crash) or gain privileges by triggering a grant-table transition from v2 to v1.
HIGH 8.8EPSS 0.43%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.43%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in Xen through 4.10.x allowing guest OS users to cause a denial of service (hypervisor crash) or gain privileges by triggering a grant-table transition from v2 to v1.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 0.43% probability · 36th percentile
- CISA KEV
- Not listed
- Affected
- xen/xen · debian/debian linux
- Source
- cve@mitre.org
References
- http://www.securityfocus.com/bid/103177
- http://www.securitytracker.com/id/1040775
- https://lists.debian.org/debian-lts-announce/2018/03/msg00003.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00013.html
- https://security.gentoo.org/glsa/201810-06
- https://support.citrix.com/article/CTX232096
- https://support.citrix.com/article/CTX232655
- https://www.debian.org/security/2018/dsa-4131Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-255.htmlVendor Advisory
- http://www.securityfocus.com/bid/103177
- http://www.securitytracker.com/id/1040775
- https://lists.debian.org/debian-lts-announce/2018/03/msg00003.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00013.html
- https://security.gentoo.org/glsa/201810-06
- https://support.citrix.com/article/CTX232096
- https://support.citrix.com/article/CTX232655
- https://www.debian.org/security/2018/dsa-4131Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-255.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.