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In the Linux kernel, the following vulnerability has been resolved:
FS: JFS: Fix null-ptr-deref Read in txBegin
Syzkaller reported an issue where txBegin may be called on a superblock in a read-only mounted filesystem which leads to NULL pointer deref. This could be solved by checking if the filesystem is read-only before calling txBegin, and returning with appropiate error code.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernelUpgrade kernel-develUpgrade kernel-debuginfo-common-aarch64Upgrade bpftoolUpgrade kernel-tools-develUpgrade kernel-livepatch-5.10.192-182.736Upgrade perfUpgrade kernel-debuginfoUpgrade perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-toolsUpgrade python-perfUpgrade bpftool-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-headersUpgrade kernel-livepatch-4.14.326-245.539 | May 20, 2026 | May 20, 2026 |
| Debian | — | Upgrade linux | Oct 3, 2025 | Oct 3, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Oct 1, 2025 |
| Ubuntu | — | Upgrade linux-ibm-5.15Upgrade linux-nvidia-tegra-5.15Upgrade linux-nvidia-tegraUpgrade linuxUpgrade linux-ibm-5.4Upgrade linux-raspi-5.4Upgrade linux-bluefieldUpgrade linux-iotUpgrade linux-aws-5.4Upgrade linux-raspiUpgrade linux-lowlatency-hwe-5.15Upgrade linux-awsUpgrade linux-aws-5.15Upgrade linux-intel-iot-realtimeUpgrade linux-oracle-5.4Upgrade linux-hwe-5.4Upgrade linux-azure-fipsUpgrade linux-oracle-5.15Upgrade linux-realtimeUpgrade linux-azure-fde-5.15Upgrade linux-azure-fdeUpgrade linux-aws-fipsUpgrade linux-riscv-5.15Upgrade linux-azure-5.4Upgrade linux-kvmUpgrade linux-azureUpgrade linux-gkeUpgrade linux-xilinx-zynqmpUpgrade linux-nvidia-tegra-igxUpgrade linux-nvidiaUpgrade linux-fipsUpgrade linux-intel-iotg-5.15Upgrade linux-lowlatencyUpgrade linux-gcpUpgrade linux-hwe-5.15Upgrade linux-gkeopUpgrade linux-intel-iotgUpgrade linux-ibmUpgrade linux-oracleUpgrade linux-gcp-5.4Upgrade linux-gcp-5.15Upgrade linux-azure-5.15Upgrade linux-gcp-fips | Oct 10, 2025 | Oct 1, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 15, 2025 | Oct 1, 2025 |
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