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In the Linux kernel, the following vulnerability has been resolved:
crypto: essiv - Handle EBUSY correctly
As it is essiv only handles the special return value of EINPROGERSS, which means that in all other cases it will free data related to the request.
However, as the caller of essiv may specify MAY_BACKLOG, we also need to expect EBUSY and treat it in the same way. Otherwise backlogged requests will trigger a use-after-free.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade python-perf-debuginfoUpgrade kernel-toolsUpgrade kernelUpgrade kernel-headersUpgrade kernel-livepatch-5.10.173-154.642Upgrade kernel-livepatch-5.15.102-61.139Upgrade python-perfUpgrade bpftool-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade perfUpgrade kernel-tools-develUpgrade kernel-develUpgrade kernel-debuginfo-common-aarch64Upgrade bpftool | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade kernel-develUpgrade bpftool-debuginfoUpgrade kernel-libbpfUpgrade kernel-libbpf-staticUpgrade bpftoolUpgrade kernel-debuginfo-common-aarch64Upgrade python3-perf-debuginfoUpgrade kernel-headersUpgrade kernelUpgrade kernel-toolsUpgrade perf-debuginfoUpgrade kernel-tools-develUpgrade python3-perfUpgrade perfUpgrade kernel-libbpf-develUpgrade kernel-livepatch-6.1.19-30.43 | Feb 20, 2026 | Dec 24, 2025 |
| Debian | — | Upgrade linux | Dec 29, 2025 | Dec 29, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Dec 24, 2025 |
| Ubuntu | — | Upgrade linux-azure-5.15Upgrade linux-realtimeUpgrade linux-oracleUpgrade linux-intel-iotg-5.15Upgrade linux-gcpUpgrade linux-gcp-5.15Upgrade linux-kvmUpgrade linux-hwe-5.4Upgrade linux-gcp-5.4Upgrade linux-azureUpgrade linux-hwe-5.15Upgrade linux-xilinx-zynqmpUpgrade linux-intel-iotgUpgrade linux-azure-fipsUpgrade linux-riscv-5.15Upgrade linux-fipsUpgrade linux-gkeopUpgrade linux-iotUpgrade linux-oracle-5.15Upgrade linux-intel-iot-realtimeUpgrade linux-lowlatencyUpgrade linux-azure-5.4Upgrade linux-gcp-fipsUpgrade linux-aws-fipsUpgrade linux-nvidiaUpgrade linux-ibmUpgrade linux-nvidia-tegra-5.15Upgrade linuxUpgrade linux-ibm-5.4Upgrade linux-nvidia-tegraUpgrade linux-aws-5.15Upgrade linux-oracle-5.4Upgrade linux-azure-fdeUpgrade linux-raspiUpgrade linux-awsUpgrade linux-aws-5.4Upgrade linux-raspi-5.4Upgrade linux-gkeUpgrade linux-bluefieldUpgrade linux-lowlatency-hwe-5.15 | Jan 6, 2026 | Dec 24, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Dec 24, 2025 |
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