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 kernel-develUpgrade kernel-livepatch-5.15.168-114.166Upgrade kernel-tools-develUpgrade kernel-debuginfoUpgrade kernel-headersUpgrade perfUpgrade python-perf-debuginfoUpgrade kernelUpgrade bpftoolUpgrade kernel-toolsUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-debuginfo-common-x86_64Upgrade perf-debuginfoUpgrade python-perfUpgrade kernel-tools-debuginfoUpgrade bpftool-debuginfo | Mar 14, 2025 | Nov 8, 2024 |
| Amazon_linux_2023 | — | Upgrade kernel-modules-extra-commonUpgrade kernel-toolsUpgrade kernel-tools-develUpgrade python3-perfUpgrade kernel-debuginfo-common-aarch64Upgrade perfUpgrade perf-debuginfoUpgrade kernel-headersUpgrade bpftoolUpgrade bpftool-debuginfoUpgrade kernel-livepatch-6.1.115-126.197Upgrade kernel-libbpf-develUpgrade python3-perf-debuginfoUpgrade kernel-libbpf-staticUpgrade kernel-develUpgrade kernel-debuginfoUpgrade kernelUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-libbpfUpgrade kernel-modules-extraUpgrade kernel-tools-debuginfo | Mar 27, 2025 | Nov 8, 2024 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Nov 11, 2024 | Nov 8, 2024 |
| Redhat_linux | — | Upgrade kernel-rtUpgrade kernelNo solution exists | May 15, 2025 | Nov 8, 2024 |
| Ubuntu | — | Upgrade linux-image-5.15.0-1066-ibmUpgrade linux-image-oem-24.04aUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-oem-22.04dUpgrade linux-image-6.11.0-1010-lowlatencyUpgrade linux-image-oem-22.04Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-oem-20.04Upgrade linux-image-virtualUpgrade linux-image-6.8.0-1024-nvidiaUpgrade linux-image-realtimeUpgrade linux-image-oracleUpgrade linux-image-nvidiaUpgrade linux-image-6.11.0-1010-lowlatency-64kUpgrade linux-image-6.8.0-1024-oemUpgrade linux-image-lowlatency-64kUpgrade linux-image-6.11.0-1009-gcpUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-gcp-lts-22.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-generic-lpaeUpgrade linux-image-gkeUpgrade linux-image-6.8.0-1025-awsUpgrade linux-image-nvidia-6.8Upgrade linux-image-gkeopUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-oem-20.04cUpgrade linux-image-6.8.0-1025-azureUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-6.8.0-1027-awsUpgrade linux-image-oem-24.04bUpgrade linux-image-6.8.0-1026-gcp-64kUpgrade linux-image-5.15.0-1070-kvmUpgrade linux-image-6.8.0-1025-azure-fdeUpgrade linux-image-6.8.0-1024-nvidia-lowlatencyUpgrade linux-image-6.8.0-56-lowlatency-64kUpgrade linux-image-6.8.0-57-genericUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-5.15.0-1071-intel-iotgUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-intel-iotgUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-5.15.0-127-generic-lpaeUpgrade linux-image-6.8.0-57-generic-64kUpgrade linux-image-oem-20.04bUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-5.15.0-127-genericUpgrade linux-image-5.15.0-1072-gcpUpgrade linux-image-6.11.0-1009-azure-fdeUpgrade linux-image-6.8.0-56-lowlatencyUpgrade linux-image-generic-64kUpgrade linux-image-intelUpgrade linux-image-oem-22.04cUpgrade linux-image-oem-24.04Upgrade linux-image-6.11.0-18-genericUpgrade linux-image-6.11.0-1015-oemUpgrade linux-image-5.15.0-1070-gkeUpgrade linux-image-gkeop-5.15Upgrade linux-image-6.11.0-18-generic-64kUpgrade linux-image-genericUpgrade linux-image-azure-lts-22.04Upgrade linux-image-6.8.0-1024-nvidia-lowlatency-64kUpgrade linux-image-5.15.0-1056-gkeopUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-6.8.0-1008-gkeopUpgrade linux-image-5.15.0-1073-awsUpgrade linux-image-lowlatencyUpgrade linux-image-5.15.0-127-lowlatency-64kUpgrade linux-image-azure-lts-24.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-ibmUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.8.1-1018-realtimeUpgrade linux-image-oem-20.04dUpgrade linux-image-6.11.0-1005-realtimeUpgrade linux-image-oem-22.04aUpgrade linux-image-oem-22.04bUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-raspi-realtimeUpgrade linux-image-kvmUpgrade linux-image-gke-5.15Upgrade linux-image-azure-fdeUpgrade linux-image-aws-lts-22.04Upgrade linux-image-6.8.0-1022-oracle-64kUpgrade linux-image-5.15.0-1068-nvidia-lowlatencyUpgrade linux-image-6.8.0-56-generic-64kUpgrade linux-image-5.15.0-127-generic-64kUpgrade linux-image-6.8.0-1026-gcpUpgrade linux-image-6.8.0-1024-nvidia-64kUpgrade linux-image-5.15.0-1066-raspiUpgrade linux-image-6.8.0-1014-azure-nvidiaUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-nvidia-64kUpgrade linux-image-gcp-64kUpgrade linux-image-6.8.0-1022-oracleUpgrade linux-image-6.11.0-1009-azureUpgrade linux-image-5.15.0-1068-nvidiaUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.8.0-1022-ibmUpgrade linux-image-6.11.0-1011-oracle-64kUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-5.15.0-1078-azureUpgrade linux-image-6.8.0-1021-gkeUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-azure-nvidiaUpgrade linux-image-gkeop-6.8Upgrade linux-image-gcpUpgrade linux-image-5.15.0-1039-xilinx-zynqmpUpgrade linux-image-raspi-nolpaeUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-6.11.0-1009-awsUpgrade linux-image-6.11.0-1011-oracleUpgrade linux-image-azureUpgrade linux-image-ibm-classicUpgrade linux-image-awsUpgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-5.15.0-127-lowlatencyUpgrade linux-image-oracle-64kUpgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-6.11.0-1008-raspiUpgrade linux-image-aws-lts-24.04Upgrade linux-image-5.15.0-1071-oracleUpgrade linux-image-raspiUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-6.8.0-56-genericUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-azure-cvmUpgrade linux-image-lowlatency-hwe-20.04 | 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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