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