VulnerabilityModified
CVE-2020-35503
This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service.
MEDIUM 6.0EPSS 0.27%
Does this matter?
Lower severity and a low EPSS score (0.27%). Track it; it rarely justifies an emergency change on its own.
Description
A NULL pointer dereference flaw was found in the megasas-gen2 SCSI host bus adapter emulation of QEMU in versions before and including 6.0. This issue occurs in the megasas_command_cancelled() callback function while dropping a SCSI request. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
- CVSS 3.1
- 6.0 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
- EPSS
- 0.27% probability · 20th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- qemu/qemu · fedoraproject/fedora
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1910346Issue Tracking, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210720-0008/Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1910346Issue Tracking, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210720-0008/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.