In the Linux kernel, the following vulnerability has been resolved:
fs: jfs: fix shift-out-of-bounds in dbDiscardAG
This should be applied to most URSAN bugs found recently by syzbot, by guarding the dbMount. As syzbot feeding rubbish into the bmap descriptor.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-livepatch-4.14.304-226.531Upgrade bpftool-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-headersUpgrade perf-debuginfoUpgrade perfUpgrade python-perfUpgrade python-perf-debuginfoUpgrade kernel-develUpgrade kernel-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-toolsUpgrade bpftoolUpgrade kernelUpgrade kernel-livepatch-5.10.165-143.735Upgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-devel | May 20, 2026 | May 20, 2026 |
| Debian | — | Upgrade linux | Sep 17, 2025 | Sep 17, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Sep 15, 2025 |
| Ubuntu | — | Upgrade linux-aws-fipsUpgrade linux-nvidiaUpgrade linux-ibmUpgrade linux-oracleUpgrade linux-xilinx-zynqmpUpgrade linux-gcp-fipsUpgrade linux-oracle-5.15Upgrade linux-hwe-5.4Upgrade linux-gcp-4.15Upgrade linux-azure-5.15Upgrade linux-azure-fipsUpgrade linux-hweUpgrade linux-azure-4.15Upgrade linux-ibm-5.4Upgrade linuxUpgrade linux-intel-iot-realtimeUpgrade linux-lowlatencyUpgrade linux-gkeopUpgrade linux-gcp-5.4Upgrade linux-gcpUpgrade linux-raspiUpgrade linux-aws-5.15Upgrade linux-hwe-5.15Upgrade linux-bluefieldUpgrade linux-lowlatency-hwe-5.15Upgrade linux-kvmUpgrade linux-raspi-5.4Upgrade linux-iotUpgrade linux-aws-hweUpgrade linux-azureUpgrade linux-gkeUpgrade linux-oracle-5.4Upgrade linux-intel-iotg-5.15Upgrade linux-aws-5.4Upgrade linux-fipsUpgrade linux-awsUpgrade linux-azure-5.4Upgrade linux-nvidia-tegra-5.15Upgrade linux-gcp-5.15Upgrade linux-intel-iotgUpgrade linux-riscv-5.15Upgrade linux-realtime | 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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