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In the Linux kernel, the following vulnerability has been resolved:
fscrypt: destroy keyring after security_sb_delete()
fscrypt_destroy_keyring() must be called after all potentially-encrypted inodes were evicted; otherwise it cannot safely destroy the keyring. Since inodes that are in-use by the Landlock LSM don't get evicted until security_sb_delete(), this means that fscrypt_destroy_keyring() must be called *after* security_sb_delete().
This fixes a WARN_ON followed by a NULL dereference, only possible if Landlock was being used on encrypted files.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-tools-develUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade kernelUpgrade kernel-headersUpgrade kernel-debuginfo-common-x86_64Upgrade python-perf-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-toolsUpgrade perf-debuginfoUpgrade python-perfUpgrade perfUpgrade kernel-livepatch-5.15.106-64.140Upgrade bpftoolUpgrade kernel-develUpgrade bpftool-debuginfo | Jul 9, 2025 | May 2, 2025 |
| Amazon_linux_2023 | — | Upgrade kernel-debuginfo-common-x86_64Upgrade kernel-debuginfo-common-aarch64Upgrade bpftoolUpgrade python3-perfUpgrade kernel-libbpf-staticUpgrade kernel-tools-debuginfoUpgrade kernel-develUpgrade kernel-libbpf-develUpgrade python3-perf-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-libbpfUpgrade kernelUpgrade kernel-livepatch-6.1.23-36.46Upgrade kernel-toolsUpgrade perfUpgrade kernel-debuginfoUpgrade kernel-tools-develUpgrade kernel-headersUpgrade perf-debuginfo | Jul 11, 2025 | May 2, 2025 |
| Debian | — | Upgrade linux | May 5, 2025 | May 2, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 2, 2025 |
| Ubuntu | — | Upgrade linux-gcpUpgrade linux-realtimeUpgrade linux-bluefieldUpgrade linux-lowlatency-hwe-5.15Upgrade linux-intel-iot-realtimeUpgrade linux-nvidia-tegra-igxUpgrade linuxUpgrade linux-intel-iotg-5.15Upgrade linux-azureUpgrade linux-hwe-5.15Upgrade linux-awsUpgrade linux-azure-fdeUpgrade linux-xilinx-zynqmpUpgrade linux-lowlatencyUpgrade linux-azure-5.15Upgrade linux-aws-5.15Upgrade linux-nvidia-tegraUpgrade linux-gkeopUpgrade linux-riscv-5.15Upgrade linux-nvidiaUpgrade linux-ibmUpgrade linux-raspiUpgrade linux-intel-iotgUpgrade linux-gkeUpgrade linux-oracle-5.15Upgrade linux-kvmUpgrade linux-gcp-5.15Upgrade linux-ibm-5.15Upgrade linux-oracleUpgrade linux-nvidia-tegra-5.15 | May 8, 2025 | May 2, 2025 |
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