In kernel/bpf/verifier.c in the Linux kernel before 5.12.13, a branch can be mispredicted (e.g., because of type confusion) and consequently an unprivileged BPF program can read arbitrary memory locations via a side-channel attack, aka CID-9183671af6db.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade python-perfUpgrade bpftool-debuginfoUpgrade kernel-headersUpgrade kernel-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade bpftoolUpgrade kernel-tools-debuginfoUpgrade kernelUpgrade python-perf-debuginfoUpgrade kernel-tools-develUpgrade kernel-toolsUpgrade perf-debuginfoUpgrade kernel-develUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-livepatch-4.14.238-182.421Upgrade perf | Jul 19, 2021 | Jun 23, 2021 |
| Debian | — | Upgrade linux | Nov 29, 2021 | Jun 23, 2021 |
| Huawei Euleros 2_0_sp8 | — | Upgrade kernelUpgrade kernel-develUpgrade kernel-tools-libsUpgrade python-perfUpgrade kernel-sourceUpgrade perfUpgrade kernel-toolsUpgrade python3-perfUpgrade kernel-headersUpgrade bpftool | Sep 24, 2021 | Jun 23, 2021 |
| Huawei Euleros 2_0_sp9 | — | Upgrade kernelUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade python3-perf | Sep 29, 2021 | Jun 23, 2021 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jun 23, 2021 |
| Suse | — | Upgrade kernel-azure-extraUpgrade kselftests-kmp-preemptUpgrade kernel-debug-develUpgrade kernel-azure-develUpgrade kernel-preempt-extraUpgrade kernel-azure-livepatch-develUpgrade kernel-azure-baseUpgrade cluster-md-kmp-defaultUpgrade kselftests-kmp-azureUpgrade kernel-devel-azureUpgrade reiserfs-kmp-preemptUpgrade cluster-md-kmp-64kbUpgrade kernel-vanilla-livepatch-develUpgrade ocfs2-kmp-preemptUpgrade kernel-64kbUpgrade kernel-kvmsmall-baseUpgrade kernel-debug-livepatch-develUpgrade kernel-default-develUpgrade cluster-md-kmp-azureUpgrade kernel-default-manUpgrade dlm-kmp-preemptUpgrade kernel-obs-buildUpgrade reiserfs-kmp-64kbUpgrade kernel-vanilla-develUpgrade kernel-source-vanillaUpgrade kernel-kvmsmallUpgrade kernel-azureUpgrade kernel-azure-optionalUpgrade gfs2-kmp-defaultUpgrade kernel-64kb-extraUpgrade dlm-kmp-defaultUpgrade kernel-default-baseUpgrade ocfs2-kmp-64kbUpgrade kernel-source-azureUpgrade kernel-docs-htmlUpgrade kernel-macrosUpgrade dlm-kmp-64kbUpgrade kernel-default-livepatchUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-preempt-optionalUpgrade kernel-preemptUpgrade kernel-debugUpgrade kernel-debug-baseUpgrade kernel-zfcpdumpUpgrade gfs2-kmp-preemptUpgrade kernel-kvmsmall-develUpgrade kernel-docsUpgrade ocfs2-kmp-defaultUpgrade dlm-kmp-azureUpgrade kernel-default-optionalUpgrade kernel-64kb-optionalUpgrade kernel-sourceUpgrade kernel-defaultUpgrade kernel-obs-qaUpgrade kernel-develUpgrade reiserfs-kmp-defaultUpgrade kernel-64kb-livepatch-develUpgrade gfs2-kmp-64kbUpgrade kselftests-kmp-64kbUpgrade kernel-vanilla-baseUpgrade kselftests-kmp-defaultUpgrade gfs2-kmp-azureUpgrade kernel-64kb-develUpgrade kernel-symsUpgrade cluster-md-kmp-preemptUpgrade reiserfs-kmp-azureUpgrade kernel-preempt-livepatch-develUpgrade kernel-vanillaUpgrade kernel-default-extraUpgrade kernel-default-base-rebuildUpgrade kernel-syms-azureUpgrade kernel-preempt-develUpgrade ocfs2-kmp-azureUpgrade kernel-default-livepatch-develUpgrade kernel-zfcpdump-man | Jul 10, 2021 | Jun 23, 2021 |
| Ubuntu | — | Upgrade linux-image-5.11.0-37-lowlatencyUpgrade linux-image-5.11.0-37-genericUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-oem-osp1Upgrade linux-image-raspi-hwe-18.04Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-5.4.0-1053-gkeUpgrade linux-image-5.11.0-1017-azureUpgrade linux-image-gcp-lts-20.04Upgrade linux-image-5.4.0-1057-awsUpgrade linux-image-5.4.0-1059-azureUpgrade linux-image-5.11.0-1019-awsUpgrade linux-image-gke-5.4Upgrade linux-image-5.4.0-1053-gcpUpgrade linux-image-5.10.0-1050-oemUpgrade linux-image-5.4.0-87-genericUpgrade linux-image-oracleUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-oemUpgrade linux-image-5.4.0-87-lowlatencyUpgrade linux-image-awsUpgrade linux-image-kvmUpgrade linux-image-5.4.0-1047-kvmUpgrade linux-image-oem-20.04Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-oracle-lts-20.04Upgrade linux-image-gkeUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-5.4.0-88-lowlatencyUpgrade linux-image-raspi-nolpaeUpgrade linux-image-5.11.0-37-generic-64kUpgrade linux-image-virtualUpgrade linux-image-azure-lts-20.04Upgrade linux-image-5.4.0-87-generic-lpaeUpgrade linux-image-5.4.0-1055-oracleUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-gkeop-5.4Upgrade linux-image-5.4.0-1024-gkeopUpgrade linux-image-gkeopUpgrade linux-image-5.4.0-1044-raspiUpgrade linux-image-genericUpgrade linux-image-5.4.0-88-generic-lpaeUpgrade linux-image-raspi2Upgrade linux-image-generic-lpaeUpgrade linux-image-gcpUpgrade linux-image-5.11.0-37-generic-lpaeUpgrade linux-image-lowlatencyUpgrade linux-image-generic-64kUpgrade linux-image-raspiUpgrade linux-image-5.11.0-1020-gcpUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-azureUpgrade linux-image-5.11.0-1019-raspi-nolpaeUpgrade linux-image-generic-lpae-hwe-18.04Upgrade linux-image-5.11.0-1019-oracleUpgrade linux-image-5.11.0-1019-raspiUpgrade linux-image-5.4.0-88-genericUpgrade linux-image-oem-20.04bUpgrade linux-image-5.11.0-1017-kvmUpgrade linux-image-azure-edgeUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-aws-lts-20.04 | Sep 28, 2021 | Jun 23, 2021 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jun 23, 2021 |
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