VDB

CVE-2020-35505

CVE-2020-35505 PUBLISHED CVSS 4.400000095367432 MEDIUM

A NULL pointer dereference flaw was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0. This issue occurs while handling the 'Information Transfer' command. 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.

EPSS 0.32% · 24.9th percentile

Risk Scores

CVSS 3.1
4.400000095367432
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.32%
24.9th percentile

Affected Products

VendorProductVersions
Ubuntu:20.04:LTSqemu1:4.2-3ubuntu1, 1:4.2-1ubuntu1, 1:4.0+dfsg-0ubuntu10
Ubuntu:Pro:14.04:LTSqemu2.0.0+dfsg-2ubuntu1.38, 2.0.0+dfsg-2ubuntu1.36, 2.0.0+dfsg-2ubuntu1.34
Ubuntu:18.04:LTSqemu*, 0, 1:2.10+dfsg-0ubuntu4
Ubuntu:Pro:16.04:LTSqemu1:2.5+dfsg-5ubuntu10.14, 1:2.5+dfsg-5ubuntu10.13, 1:2.5+dfsg-5ubuntu10.9

Timeline

  • Apr 18, 2021 CVE Published
  • May 29, 2021 EPSS Score
  • Jul 31, 2021 EPSS Score
  • Oct 1, 2021 EPSS Score
  • Dec 1, 2021 EPSS Score
  • Feb 1, 2022 EPSS Score
  • Feb 4, 2022 EPSS Score
  • Apr 1, 2022 EPSS Score
  • Apr 3, 2022 EPSS Score
  • Jun 4, 2022 EPSS Score
  • Aug 5, 2022 EPSS Score
  • Oct 6, 2022 EPSS Score

References

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