In the Linux kernel, the following vulnerability has been resolved:
f2fs: get rid of online repaire on corrupted directory
syzbot reports a f2fs bug as below:
kernel BUG at fs/f2fs/inode.c:896! RIP: 0010:f2fs_evict_inode+0x1598/0x15c0 fs/f2fs/inode.c:896 Call Trace: evict+0x532/0x950 fs/inode.c:704 dispose_list fs/inode.c:747 [inline] evict_inodes+0x5f9/0x690 fs/inode.c:797 generic_shutdown_super+0x9d/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1696 kill_f2fs_super+0x344/0x690 fs/f2fs/super.c:4898 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:228 ptrace_notify+0x2d2/0x380 kernel/signal.c:2402 ptrace_report_syscall include/linux/ptrace.h:415 [inline] ptrace_report_syscall_exit include/linux/ptrace.h:477 [inline] syscall_exit_work+0xc6/0x190 kernel/entry/common.c:173 syscall_exit_to_user_mode_prepare kernel/entry/common.c:200 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:205 [inline] syscall_exit_to_user_mode+0x279/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0010:f2fs_evict_inode+0x1598/0x15c0 fs/f2fs/inode.c:896
Online repaire on corrupted directory in f2fs_lookup() can generate dirty data/meta while racing w/ readonly remount, it may leave dirty inode after filesystem becomes readonly, however, checkpoint() will skips flushing dirty inode in a state of readonly mode, result in above panic.
Let's get rid of online repaire in f2fs_lookup(), and leave the work to fsck.f2fs.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux-6.1Upgrade linux | Nov 11, 2024 | Oct 21, 2024 |
| Ubuntu | — | Upgrade linux-image-6.8.0-54-lowlatencyUpgrade linux-image-5.15.0-1072-gcpUpgrade linux-image-awsUpgrade linux-image-5.15.0-127-genericUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-oem-24.04Upgrade linux-image-5.15.0-1078-azureUpgrade linux-image-oem-22.04bUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-5.15.0-127-lowlatencyUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-realtimeUpgrade linux-image-gcpUpgrade linux-image-6.11.0-18-genericUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-6.8.0-1023-awsUpgrade linux-image-gkeop-5.15Upgrade linux-image-6.8.0-57-genericUpgrade linux-image-5.15.0-1070-kvmUpgrade linux-image-6.8.0-1024-gcpUpgrade linux-image-6.8.0-1019-gkeUpgrade linux-image-oem-22.04dUpgrade linux-image-6.8.0-54-lowlatency-64kUpgrade linux-image-azure-fdeUpgrade linux-image-oem-20.04cUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-gkeUpgrade linux-image-raspiUpgrade linux-image-6.8.0-1022-nvidia-64kUpgrade linux-image-gcp-64kUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-5.15.0-1073-awsUpgrade linux-image-oem-22.04cUpgrade linux-image-intelUpgrade linux-image-oem-20.04dUpgrade linux-image-5.15.0-1039-xilinx-zynqmpUpgrade linux-image-5.15.0-127-generic-64kUpgrade linux-image-6.11.0-1009-awsUpgrade linux-image-azureUpgrade linux-image-5.15.0-1071-oracleUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-6.8.0-1022-ibmUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-5.15.0-1068-nvidiaUpgrade linux-image-6.11.0-1015-oemUpgrade linux-image-6.8.0-1020-oracleUpgrade linux-image-azure-cvmUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-6.8.0-1019-raspiUpgrade linux-image-5.15.0-1056-gkeopUpgrade linux-image-kvmUpgrade linux-image-oracle-64kUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-oracle-lts-22.04Upgrade linux-image-oem-24.04aUpgrade linux-image-5.15.0-127-lowlatency-64kUpgrade linux-image-6.8.0-1024-gcp-64kUpgrade linux-image-6.11.0-1010-lowlatencyUpgrade linux-image-aws-lts-24.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-oem-20.04Upgrade linux-image-6.8.0-1024-oemUpgrade linux-image-intel-iotgUpgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-1025-azure-fdeUpgrade linux-image-6.8.0-1022-nvidia-lowlatency-64kUpgrade linux-image-lowlatencyUpgrade linux-image-6.11.0-1010-lowlatency-64kUpgrade linux-image-oem-24.04bUpgrade linux-image-gkeopUpgrade linux-image-generic-64kUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-gke-5.15Upgrade linux-image-azure-lts-24.04Upgrade linux-image-5.15.0-1071-intel-iotgUpgrade linux-image-6.11.0-1009-gcpUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.11.0-1009-azure-fdeUpgrade linux-image-5.15.0-1068-nvidia-lowlatencyUpgrade linux-image-ibm-classicUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-5.15.0-1070-gkeUpgrade linux-image-generic-lpaeUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-6.11.0-1011-oracleUpgrade linux-image-6.8.0-54-genericUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-5.15.0-1066-raspiUpgrade linux-image-ibmUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-nvidiaUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-54-generic-64kUpgrade linux-image-azure-nvidiaUpgrade linux-image-6.8.0-1022-nvidiaUpgrade linux-image-6.11.0-1009-azureUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-oem-22.04aUpgrade linux-image-6.8.0-57-generic-64kUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-virtualUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-6.11.0-1011-oracle-64kUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-6.11.0-1008-raspiUpgrade linux-image-azure-lts-22.04Upgrade linux-image-6.8.0-1025-azureUpgrade linux-image-6.8.0-1014-azure-nvidiaUpgrade linux-image-5.15.0-1066-ibmUpgrade linux-image-6.11.0-18-generic-64kUpgrade linux-image-raspi-nolpaeUpgrade linux-image-6.11.0-1005-realtimeUpgrade linux-image-6.8.0-1022-nvidia-lowlatencyUpgrade linux-image-lowlatency-64kUpgrade linux-image-gkeop-6.8Upgrade linux-image-oem-20.04bUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-oem-22.04Upgrade linux-image-oracleUpgrade linux-image-aws-lts-22.04Upgrade linux-image-6.8.0-1020-oracle-64kUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-5.15.0-127-generic-lpaeUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-genericUpgrade linux-image-6.8.0-1006-gkeop | Dec 18, 2024 | Oct 21, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 9, 2025 | Oct 21, 2024 |
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