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