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 bpftool-debuginfoUpgrade kernel-toolsUpgrade kernel-debuginfo-common-x86_64Upgrade perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade python-perfUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-tools-develUpgrade kernel-debuginfoUpgrade python-perf-debuginfoUpgrade perfUpgrade kernelUpgrade bpftoolUpgrade kernel-headersUpgrade kernel-livepatch-5.15.168-114.166Upgrade kernel-devel | Mar 14, 2025 | Nov 8, 2024 |
| Amazon_linux_2023 | — | Upgrade python3-perf-debuginfoUpgrade kernel-libbpf-develUpgrade kernel-libbpfUpgrade kernel-livepatch-6.1.115-126.197Upgrade kernel-debuginfoUpgrade kernelUpgrade kernel-develUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade bpftool-debuginfoUpgrade bpftoolUpgrade kernel-libbpf-staticUpgrade kernel-modules-extraUpgrade perfUpgrade kernel-headersUpgrade kernel-debuginfo-common-aarch64Upgrade perf-debuginfoUpgrade kernel-tools-develUpgrade python3-perfUpgrade kernel-toolsUpgrade kernel-modules-extra-common | Mar 27, 2025 | Nov 8, 2024 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Nov 11, 2024 | Nov 8, 2024 |
| Redhat_linux | — | No solution existsUpgrade kernelUpgrade kernel-rt | May 15, 2025 | Nov 8, 2024 |
| Ubuntu | — | Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-oem-20.04dUpgrade linux-image-oracle-64kUpgrade linux-image-5.15.0-1068-nvidiaUpgrade linux-image-6.11.0-1011-oracleUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-azureUpgrade linux-image-awsUpgrade linux-image-5.15.0-127-lowlatencyUpgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-oem-22.04aUpgrade linux-image-oem-22.04bUpgrade linux-image-6.8.0-56-generic-64kUpgrade linux-image-kvmUpgrade linux-image-6.11.0-1011-oracle-64kUpgrade linux-image-6.8.0-1022-ibmUpgrade linux-image-aws-lts-24.04Upgrade linux-image-raspi-nolpaeUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-5.15.0-1066-raspiUpgrade linux-image-6.8.0-1014-azure-nvidiaUpgrade linux-image-5.15.0-1071-oracleUpgrade linux-image-6.8.0-56-genericUpgrade linux-image-6.8.0-1022-oracle-64kUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-aws-lts-22.04Upgrade linux-image-gke-5.15Upgrade linux-image-5.15.0-127-generic-64kUpgrade linux-image-5.15.0-1068-nvidia-lowlatencyUpgrade linux-image-6.11.0-1005-realtimeUpgrade linux-image-6.8.0-1024-nvidia-64kUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-azure-cvmUpgrade linux-image-ibmUpgrade linux-image-azure-lts-24.04Upgrade linux-image-6.8.0-1026-gcpUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-azure-fdeUpgrade linux-image-raspi-realtimeUpgrade linux-image-gcp-64kUpgrade linux-image-5.15.0-1078-azureUpgrade linux-image-6.8.0-1022-oracleUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-raspiUpgrade linux-image-5.15.0-1073-awsUpgrade linux-image-6.11.0-1009-azureUpgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-1008-gkeopUpgrade linux-image-6.8.0-1021-gkeUpgrade linux-image-5.15.0-1039-xilinx-zynqmpUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-6.11.0-1008-raspiUpgrade linux-image-azure-nvidiaUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-lowlatencyUpgrade linux-image-ibm-classicUpgrade linux-image-gkeop-6.8Upgrade linux-image-6.8.1-1018-realtimeUpgrade linux-image-5.15.0-127-lowlatency-64kUpgrade linux-image-gcpUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-6.11.0-1009-awsUpgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-realtime-hwe-24.04Upgrade linux-image-6.8.0-56-lowlatency-64kUpgrade linux-image-5.15.0-127-genericUpgrade linux-image-oracleUpgrade linux-image-realtimeUpgrade linux-image-oem-20.04bUpgrade linux-image-nvidia-6.8Upgrade linux-image-6.11.0-18-genericUpgrade linux-image-oem-22.04dUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-6.8.0-1024-nvidia-lowlatencyUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-6.8.0-1025-azure-fdeUpgrade linux-image-5.15.0-1072-gcpUpgrade linux-image-5.15.0-1071-intel-iotgUpgrade linux-image-generic-64kUpgrade linux-image-6.8.0-1025-azureUpgrade linux-image-virtualUpgrade linux-image-intel-iotgUpgrade linux-image-6.11.0-1015-oemUpgrade linux-image-oem-24.04Upgrade linux-image-genericUpgrade linux-image-5.15.0-1070-kvmUpgrade linux-image-oem-20.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.8.0-1025-awsUpgrade linux-image-6.8.0-1026-gcp-64kUpgrade linux-image-oem-20.04cUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-gkeopUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-generic-lpaeUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-6.8.0-1024-nvidia-lowlatency-64kUpgrade linux-image-intelUpgrade linux-image-5.15.0-1056-gkeopUpgrade linux-image-oem-22.04cUpgrade linux-image-azure-lts-22.04Upgrade linux-image-6.8.0-57-genericUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-oem-24.04aUpgrade linux-image-oem-22.04Upgrade linux-image-gcp-lts-22.04Upgrade linux-image-5.15.0-1070-gkeUpgrade linux-image-6.8.0-1027-awsUpgrade linux-image-6.8.0-56-lowlatencyUpgrade linux-image-gkeop-5.15Upgrade linux-image-6.11.0-1010-lowlatencyUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-gkeUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-6.11.0-18-generic-64kUpgrade linux-image-nvidiaUpgrade linux-image-oem-24.04bUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-6.8.0-1024-nvidiaUpgrade linux-image-6.8.0-57-generic-64kUpgrade linux-image-5.15.0-127-generic-lpaeUpgrade linux-image-6.11.0-1010-lowlatency-64kUpgrade linux-image-6.11.0-1009-azure-fdeUpgrade linux-image-5.15.0-1066-ibmUpgrade linux-image-6.8.0-1024-oemUpgrade linux-image-6.11.0-1009-gcp | 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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