vulnerability
Ubuntu: (Multiple Advisories) (CVE-2020-26541): Linux kernel vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:M/Au:N/C:C/I:C/A:C) | Oct 2, 2020 | Sep 9, 2021 | Jan 23, 2025 |
Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
Oct 2, 2020
Added
Sep 9, 2021
Modified
Jan 23, 2025
Description
The Linux kernel through 5.8.13 does not properly enforce the Secure Boot Forbidden Signature Database (aka dbx) protection mechanism. This affects certs/blacklist.c and certs/system_keyring.c.
Solutions
ubuntu-upgrade-linux-image-5-10-0-1049-oemubuntu-upgrade-linux-image-5-11-0-1015-azureubuntu-upgrade-linux-image-5-11-0-1015-kvmubuntu-upgrade-linux-image-5-11-0-1017-awsubuntu-upgrade-linux-image-5-11-0-1017-oracleubuntu-upgrade-linux-image-5-11-0-1017-raspiubuntu-upgrade-linux-image-5-11-0-1017-raspi-nolpaeubuntu-upgrade-linux-image-5-11-0-1018-gcpubuntu-upgrade-linux-image-5-11-0-34-genericubuntu-upgrade-linux-image-5-11-0-34-generic-64kubuntu-upgrade-linux-image-5-11-0-34-generic-lpaeubuntu-upgrade-linux-image-5-11-0-34-lowlatencyubuntu-upgrade-linux-image-5-4-0-1010-ibmubuntu-upgrade-linux-image-5-4-0-1023-bluefieldubuntu-upgrade-linux-image-5-4-0-1029-gkeopubuntu-upgrade-linux-image-5-4-0-1048-raspiubuntu-upgrade-linux-image-5-4-0-1051-kvmubuntu-upgrade-linux-image-5-4-0-1057-gkeubuntu-upgrade-linux-image-5-4-0-1059-gcpubuntu-upgrade-linux-image-5-4-0-1059-oracleubuntu-upgrade-linux-image-5-4-0-1065-azureubuntu-upgrade-linux-image-5-4-0-92-genericubuntu-upgrade-linux-image-5-4-0-92-generic-lpaeubuntu-upgrade-linux-image-5-4-0-92-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-bluefieldubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-lts-20-04ubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-64kubuntu-upgrade-linux-image-generic-64k-hwe-20-04ubuntu-upgrade-linux-image-generic-hwe-18-04ubuntu-upgrade-linux-image-generic-hwe-20-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-18-04ubuntu-upgrade-linux-image-generic-lpae-hwe-20-04ubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-5-4ubuntu-upgrade-linux-image-gkeopubuntu-upgrade-linux-image-gkeop-5-4ubuntu-upgrade-linux-image-ibmubuntu-upgrade-linux-image-ibm-lts-20-04ubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-hwe-18-04ubuntu-upgrade-linux-image-lowlatency-hwe-20-04ubuntu-upgrade-linux-image-oemubuntu-upgrade-linux-image-oem-20-04ubuntu-upgrade-linux-image-oem-20-04bubuntu-upgrade-linux-image-oem-osp1ubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-lts-20-04ubuntu-upgrade-linux-image-raspiubuntu-upgrade-linux-image-raspi-hwe-18-04ubuntu-upgrade-linux-image-raspi-nolpaeubuntu-upgrade-linux-image-raspi2ubuntu-upgrade-linux-image-snapdragon-hwe-18-04ubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-18-04ubuntu-upgrade-linux-image-virtual-hwe-20-04
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