In the Linux kernel, the following vulnerability has been resolved:
jbd2: fix potential use-after-free in jbd2_fc_wait_bufs
In 'jbd2_fc_wait_bufs' use 'bh' after put buffer head reference count which may lead to use-after-free. So judge buffer if uptodate before put buffer head reference count.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-develUpgrade kernelUpgrade kernel-toolsUpgrade kernel-livepatch-5.15.75-48.135Upgrade bpftoolUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools-develUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-livepatch-5.10.155-138.670Upgrade perf-debuginfoUpgrade python-perf-debuginfoUpgrade python-perfUpgrade perfUpgrade kernel-headers | May 20, 2026 | May 20, 2026 |
| Debian | — | Upgrade linux | Sep 17, 2025 | Sep 17, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade kernelUpgrade bpftoolUpgrade kernel-toolsUpgrade kernel-tools-libs | Dec 12, 2025 | Dec 11, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Sep 15, 2025 |
| Ubuntu | — | Upgrade linux-intel-iotgUpgrade linux-oracle-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-awsUpgrade linux-bluefieldUpgrade linux-lowlatencyUpgrade linux-realtimeUpgrade linux-gkeUpgrade linux-riscv-5.15Upgrade linux-aws-5.15Upgrade linux-azure-fdeUpgrade linux-raspiUpgrade linuxUpgrade linux-hwe-5.15Upgrade linux-azureUpgrade linux-oracleUpgrade linux-gcpUpgrade linux-intel-iotg-5.15Upgrade linux-azure-5.15Upgrade linux-gkeopUpgrade linux-kvmUpgrade linux-nvidiaUpgrade linux-gcp-5.15Upgrade linux-ibm | Sep 19, 2025 | Sep 16, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Sep 15, 2025 |
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