VulnerabilityModified
CVE-2019-17340
An issue was discovered in Xen through 4.11.x allowing x86 guest OS users to cause a denial of service or gain privileges because grant-table transfer requests are mishandled.
HIGH 8.8EPSS 0.35%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.35%). 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 4.11.x allowing x86 guest OS users to cause a denial of service or gain privileges because grant-table transfer requests are mishandled.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 0.35% probability · 29th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-401
- Affected
- xen/xen · debian/debian linux
- Source
- cve@mitre.org
References
- http://www.openwall.com/lists/oss-security/2019/10/25/1Mailing List, Third Party Advisory
- http://xenbits.xen.org/xsa/advisory-284.htmlVendor Advisory
- https://seclists.org/bugtraq/2020/Jan/21Mailing List, Third Party Advisory
- https://www.debian.org/security/2020/dsa-4602Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-284.htmlVendor Advisory
- http://www.openwall.com/lists/oss-security/2019/10/25/1Mailing List, Third Party Advisory
- http://xenbits.xen.org/xsa/advisory-284.htmlVendor Advisory
- https://seclists.org/bugtraq/2020/Jan/21Mailing List, Third Party Advisory
- https://www.debian.org/security/2020/dsa-4602Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-284.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.