vulnerability
Ubuntu: (Multiple Advisories) (CVE-2020-36311): Linux kernel vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:L/AC:L/Au:N/C:N/I:N/A:P) | 2021-04-07 | 2021-09-09 | 2023-03-22 |
Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
2021-04-07
Added
2021-09-09
Modified
2023-03-22
Description
An issue was discovered in the Linux kernel before 5.9. arch/x86/kvm/svm/sev.c allows attackers to cause a denial of service (soft lockup) by triggering destruction of a large SEV VM (which requires unregistering many encrypted regions), aka CID-7be74942f184.
Solution(s)
ubuntu-upgrade-linux-image-5-4-0-1023-gkeopubuntu-upgrade-linux-image-5-4-0-1046-kvmubuntu-upgrade-linux-image-5-4-0-1052-gcpubuntu-upgrade-linux-image-5-4-0-1052-gkeubuntu-upgrade-linux-image-5-4-0-1054-oracleubuntu-upgrade-linux-image-5-4-0-1056-awsubuntu-upgrade-linux-image-5-4-0-1058-azureubuntu-upgrade-linux-image-5-4-0-84-genericubuntu-upgrade-linux-image-5-4-0-84-generic-lpaeubuntu-upgrade-linux-image-5-4-0-84-lowlatencyubuntu-upgrade-linux-image-5-8-0-1043-azureubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-lts-20-04ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-lts-20-04ubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-lts-20-04ubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-hwe-18-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-18-04ubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-5-4ubuntu-upgrade-linux-image-gkeopubuntu-upgrade-linux-image-gkeop-5-4ubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-hwe-18-04ubuntu-upgrade-linux-image-oemubuntu-upgrade-linux-image-oem-osp1ubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-lts-20-04ubuntu-upgrade-linux-image-snapdragon-hwe-18-04ubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-18-04
References
- CVE-2020-36311
- https://attackerkb.com/topics/CVE-2020-36311
- DEBIAN-DSA-4941
- NVD-CVE-2020-36311
- UBUNTU-USN-5070-1
- UBUNTU-USN-5071-1
- UBUNTU-USN-5071-2
- UBUNTU-USN-5071-3
- UBUNTU-USN-5073-1
- UBUNTU-USN-5073-2
- UBUNTU-USN-5073-3
- UBUNTU-USN-5091-1
- UBUNTU-USN-5091-2
- UBUNTU-USN-5092-1
- UBUNTU-USN-5092-2
- UBUNTU-USN-5094-1
- UBUNTU-USN-5094-2
- UBUNTU-USN-5096-1
- UBUNTU-USN-5106-1
- UBUNTU-USN-5113-1
- UBUNTU-USN-5114-1
- UBUNTU-USN-5115-1
- UBUNTU-USN-5116-1
- UBUNTU-USN-5116-2
- UBUNTU-USN-5117-1
- UBUNTU-USN-5120-1
- UBUNTU-USN-5135-1
- UBUNTU-USN-5136-1
- UBUNTU-USN-5137-1
- UBUNTU-USN-5137-2
- UBUNTU-USN-5210-1
- UBUNTU-USN-5299-1
- UBUNTU-USN-5343-1
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