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 perfUpgrade kernel-headersUpgrade python-perf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade perf-debuginfoUpgrade python-perfUpgrade kernel-livepatch-5.10.155-138.670Upgrade kernel-develUpgrade kernelUpgrade kernel-toolsUpgrade bpftoolUpgrade kernel-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-livepatch-5.15.75-48.135Upgrade kernel-tools-develUpgrade bpftool-debuginfoUpgrade kernel-debuginfo-common-aarch64 | May 20, 2026 | May 20, 2026 |
| Debian | — | Upgrade linux | Sep 17, 2025 | Sep 17, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade bpftoolUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade python3-perfUpgrade kernel-abi-stablelistsUpgrade kernel | Dec 12, 2025 | Dec 11, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Sep 15, 2025 |
| Ubuntu | — | Upgrade linux-gcpUpgrade linux-azure-5.15Upgrade linux-gkeopUpgrade linux-nvidiaUpgrade linux-kvmUpgrade linux-oracleUpgrade linux-intel-iotg-5.15Upgrade linux-gcp-5.15Upgrade linux-ibmUpgrade linux-azureUpgrade linux-raspiUpgrade linux-bluefieldUpgrade linux-hwe-5.15Upgrade linux-lowlatencyUpgrade linuxUpgrade linux-intel-iotgUpgrade linux-aws-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-awsUpgrade linux-realtimeUpgrade linux-oracle-5.15Upgrade linux-riscv-5.15Upgrade linux-gke | 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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