In the Linux kernel, the following vulnerability has been resolved:
ext4: don't set SB_RDONLY after filesystem errors
When the filesystem is mounted with errors=remount-ro, we were setting SB_RDONLY flag to stop all filesystem modifications. We knew this misses proper locking (sb->s_umount) and does not go through proper filesystem remount procedure but it has been the way this worked since early ext2 days and it was good enough for catastrophic situation damage mitigation. Recently, syzbot has found a way (see link) to trigger warnings in filesystem freezing because the code got confused by SB_RDONLY changing under its hands. Since these days we set EXT4_FLAGS_SHUTDOWN on the superblock which is enough to stop all filesystem modifications, modifying SB_RDONLY shouldn't be needed. So stop doing that.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade python-perfUpgrade perf-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-toolsUpgrade python-perf-debuginfoUpgrade perfUpgrade bpftoolUpgrade kernelUpgrade kernel-tools-develUpgrade kernel-develUpgrade kernel-headersUpgrade kernel-debuginfoUpgrade kernel-livepatch-5.15.168-114.166 | Mar 14, 2025 | Nov 8, 2024 |
| Amazon_linux_2023 | — | Upgrade kernel-headersUpgrade perf-debuginfoUpgrade kernel-tools-develUpgrade python3-perfUpgrade kernel-debuginfo-common-aarch64Upgrade perfUpgrade kernel-modules-extra-commonUpgrade kernel-toolsUpgrade bpftoolUpgrade kernel-libbpf-staticUpgrade bpftool-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-livepatch-6.1.115-126.197Upgrade kernel-develUpgrade kernel-debuginfoUpgrade kernel-modules-extraUpgrade kernel-libbpf-develUpgrade python3-perf-debuginfoUpgrade kernelUpgrade kernel-libbpfUpgrade kernel-debuginfo-common-x86_64 | Mar 27, 2025 | Nov 8, 2024 |
| Debian | — | Upgrade linux-6.1Upgrade linux | Nov 11, 2024 | Nov 8, 2024 |
| Redhat_linux | — | No solution existsUpgrade kernelUpgrade kernel-rt | May 15, 2025 | Nov 8, 2024 |
| Ubuntu | — | Upgrade linux-image-6.11.0-1008-raspiUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-5.15.0-1071-oracleUpgrade linux-image-6.11.0-1009-azureUpgrade linux-image-6.11.0-1009-awsUpgrade linux-image-6.11.0-1011-oracle-64kUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-gcp-64kUpgrade linux-image-ibmUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-azure-lts-24.04Upgrade linux-image-azure-cvmUpgrade linux-image-5.15.0-1078-azureUpgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-6.8.0-1008-gkeopUpgrade linux-image-5.15.0-127-generic-64kUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-6.8.0-1022-oracleUpgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-1026-gcpUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-raspi-nolpaeUpgrade linux-image-6.8.0-1022-ibmUpgrade linux-image-azure-nvidiaUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-56-generic-64kUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.11.0-1011-oracleUpgrade linux-image-6.8.0-56-genericUpgrade linux-image-gkeop-6.8Upgrade linux-image-5.15.0-1073-awsUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-lowlatencyUpgrade linux-image-6.8.0-1014-azure-nvidiaUpgrade linux-image-awsUpgrade linux-image-6.8.0-1021-gkeUpgrade linux-image-5.15.0-127-lowlatency-64kUpgrade linux-image-6.8.0-1024-nvidia-64kUpgrade linux-image-5.15.0-1066-raspiUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-ibm-classicUpgrade linux-image-raspiUpgrade linux-image-kvmUpgrade linux-image-6.8.0-1022-oracle-64kUpgrade linux-image-raspi-realtimeUpgrade linux-image-aws-lts-24.04Upgrade linux-image-gke-5.15Upgrade linux-image-oem-22.04aUpgrade linux-image-oem-22.04bUpgrade linux-image-5.15.0-1039-xilinx-zynqmpUpgrade linux-image-azureUpgrade linux-image-gcpUpgrade linux-image-aws-lts-22.04Upgrade linux-image-azure-fdeUpgrade linux-image-5.15.0-127-lowlatencyUpgrade linux-image-6.8.1-1018-realtimeUpgrade linux-image-5.15.0-1068-nvidiaUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-virtual-hwe-20.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-oem-20.04dUpgrade linux-image-oracle-64kUpgrade linux-image-5.15.0-1068-nvidia-lowlatencyUpgrade linux-image-6.11.0-1005-realtimeUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-generic-lpaeUpgrade linux-image-gkeop-5.15Upgrade linux-image-6.8.0-56-lowlatencyUpgrade linux-image-6.11.0-18-generic-64kUpgrade linux-image-gkeUpgrade linux-image-virtualUpgrade linux-image-oem-20.04Upgrade linux-image-oem-22.04cUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.11.0-1010-lowlatencyUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-5.15.0-1070-kvmUpgrade linux-image-5.15.0-1070-gkeUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-oem-22.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-oracle-lts-22.04Upgrade linux-image-oem-24.04aUpgrade linux-image-6.8.0-1027-awsUpgrade linux-image-oem-22.04dUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-6.8.0-56-lowlatency-64kUpgrade linux-image-oem-24.04bUpgrade linux-image-6.8.0-1026-gcp-64kUpgrade linux-image-oem-20.04cUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-generic-64kUpgrade linux-image-6.11.0-1015-oemUpgrade linux-image-oem-24.04Upgrade linux-image-5.15.0-127-generic-lpaeUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.8.0-1024-nvidia-lowlatency-64kUpgrade linux-image-6.11.0-18-genericUpgrade linux-image-genericUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-6.8.0-1024-oemUpgrade linux-image-nvidiaUpgrade linux-image-6.8.0-57-generic-64kUpgrade linux-image-6.11.0-1009-gcpUpgrade linux-image-lowlatency-64kUpgrade linux-image-6.8.0-1025-azure-fdeUpgrade linux-image-6.11.0-1010-lowlatency-64kUpgrade linux-image-oracleUpgrade linux-image-6.8.0-1024-nvidiaUpgrade linux-image-realtimeUpgrade linux-image-6.11.0-1009-azure-fdeUpgrade linux-image-5.15.0-1066-ibmUpgrade linux-image-5.15.0-1071-intel-iotgUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-oem-20.04bUpgrade linux-image-5.15.0-1072-gcpUpgrade linux-image-intelUpgrade linux-image-6.8.0-1024-nvidia-lowlatencyUpgrade linux-image-azure-lts-22.04Upgrade linux-image-6.8.0-57-genericUpgrade linux-image-5.15.0-1056-gkeopUpgrade linux-image-gkeopUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-1025-azureUpgrade linux-image-6.8.0-1025-awsUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-5.15.0-127-genericUpgrade linux-image-intel-iotg | Dec 18, 2024 | Nov 8, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 9, 2025 | Nov 8, 2024 |
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