CVE-2020-14375
An attacker in a VM can change the contents of the memory after vhost_crypto has validated it.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A flaw was found in dpdk in versions before 18.11.10 and before 19.11.5. Virtio ring descriptors, and the data they describe are in a region of memory accessible by from both the virtual machine and the host. An attacker in a VM can change the contents of the memory after vhost_crypto has validated it. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 0.25% probability · 16th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-367
- Affected
- dpdk/data plane development kit · canonical/ubuntu linux · opensuse/leap
- Source
- secalert@redhat.com
References
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00004.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00006.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/01/04/1Mailing List
- http://www.openwall.com/lists/oss-security/2021/01/04/2Mailing List
- http://www.openwall.com/lists/oss-security/2021/01/04/5Mailing List
- https://bugzilla.redhat.com/show_bug.cgi?id=1879468Issue Tracking
- https://usn.ubuntu.com/4550-1/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/09/28/3Mailing List, Patch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00004.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00006.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/01/04/1Mailing List
- http://www.openwall.com/lists/oss-security/2021/01/04/2Mailing List
- http://www.openwall.com/lists/oss-security/2021/01/04/5Mailing List
- https://bugzilla.redhat.com/show_bug.cgi?id=1879468Issue Tracking
- https://usn.ubuntu.com/4550-1/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/09/28/3Mailing List, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.