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