Ubuntu: (Multiple Advisories) (CVE-2021-35477): Linux kernel vulnerabilities
2
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
08/02/2021
09/30/2021
09/28/2021
03/22/2023
Description
In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because a certain preempting store operation does not necessarily occur before a store operation that has an attacker-controlled value.
Solution(s)
- ubuntu-upgrade-linux-image-5-10-0-1050-oem
- ubuntu-upgrade-linux-image-5-11-0-1017-azure
- ubuntu-upgrade-linux-image-5-11-0-1017-kvm
- ubuntu-upgrade-linux-image-5-11-0-1019-aws
- ubuntu-upgrade-linux-image-5-11-0-1019-azure
- ubuntu-upgrade-linux-image-5-11-0-1019-oracle
- ubuntu-upgrade-linux-image-5-11-0-1019-raspi
- ubuntu-upgrade-linux-image-5-11-0-1019-raspi-nolpae
- ubuntu-upgrade-linux-image-5-11-0-1020-gcp
- ubuntu-upgrade-linux-image-5-11-0-37-generic
- ubuntu-upgrade-linux-image-5-11-0-37-generic-64k
- ubuntu-upgrade-linux-image-5-11-0-37-generic-lpae
- ubuntu-upgrade-linux-image-5-11-0-37-lowlatency
- ubuntu-upgrade-linux-image-5-13-0-1014-oem
- ubuntu-upgrade-linux-image-5-4-0-1007-ibm
- ubuntu-upgrade-linux-image-5-4-0-1021-bluefield
- ubuntu-upgrade-linux-image-5-4-0-1026-gkeop
- ubuntu-upgrade-linux-image-5-4-0-1046-raspi
- ubuntu-upgrade-linux-image-5-4-0-1049-kvm
- ubuntu-upgrade-linux-image-5-4-0-1055-gke
- ubuntu-upgrade-linux-image-5-4-0-1057-gcp
- ubuntu-upgrade-linux-image-5-4-0-1057-oracle
- ubuntu-upgrade-linux-image-5-4-0-1059-aws
- ubuntu-upgrade-linux-image-5-4-0-1063-azure
- ubuntu-upgrade-linux-image-5-4-0-90-generic
- ubuntu-upgrade-linux-image-5-4-0-90-generic-lpae
- ubuntu-upgrade-linux-image-5-4-0-90-lowlatency
- ubuntu-upgrade-linux-image-aws
- ubuntu-upgrade-linux-image-aws-lts-20-04
- ubuntu-upgrade-linux-image-azure
- ubuntu-upgrade-linux-image-azure-edge
- ubuntu-upgrade-linux-image-azure-lts-20-04
- ubuntu-upgrade-linux-image-bluefield
- ubuntu-upgrade-linux-image-gcp
- ubuntu-upgrade-linux-image-gcp-lts-20-04
- ubuntu-upgrade-linux-image-generic
- ubuntu-upgrade-linux-image-generic-64k
- ubuntu-upgrade-linux-image-generic-64k-hwe-20-04
- ubuntu-upgrade-linux-image-generic-hwe-18-04
- ubuntu-upgrade-linux-image-generic-hwe-20-04
- ubuntu-upgrade-linux-image-generic-lpae
- ubuntu-upgrade-linux-image-generic-lpae-hwe-18-04
- ubuntu-upgrade-linux-image-generic-lpae-hwe-20-04
- ubuntu-upgrade-linux-image-gke
- ubuntu-upgrade-linux-image-gke-5-4
- ubuntu-upgrade-linux-image-gkeop
- ubuntu-upgrade-linux-image-gkeop-5-4
- ubuntu-upgrade-linux-image-ibm
- ubuntu-upgrade-linux-image-ibm-lts-20-04
- ubuntu-upgrade-linux-image-kvm
- ubuntu-upgrade-linux-image-lowlatency
- ubuntu-upgrade-linux-image-lowlatency-hwe-18-04
- ubuntu-upgrade-linux-image-lowlatency-hwe-20-04
- ubuntu-upgrade-linux-image-oem
- ubuntu-upgrade-linux-image-oem-20-04
- ubuntu-upgrade-linux-image-oem-20-04b
- ubuntu-upgrade-linux-image-oem-20-04c
- ubuntu-upgrade-linux-image-oem-osp1
- ubuntu-upgrade-linux-image-oracle
- ubuntu-upgrade-linux-image-oracle-lts-20-04
- ubuntu-upgrade-linux-image-raspi
- ubuntu-upgrade-linux-image-raspi-hwe-18-04
- ubuntu-upgrade-linux-image-raspi-nolpae
- ubuntu-upgrade-linux-image-raspi2
- ubuntu-upgrade-linux-image-snapdragon-hwe-18-04
- ubuntu-upgrade-linux-image-virtual
- ubuntu-upgrade-linux-image-virtual-hwe-18-04
- ubuntu-upgrade-linux-image-virtual-hwe-20-04
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