Ubuntu: (Multiple Advisories) (CVE-2024-42297): Linux kernel vulnerabilities
Description
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to don't dirty inode for readonly filesystem syzbot reports f2fs bug as below: kernel BUG at fs/f2fs/inode.c:933! RIP: 0010:f2fs_evict_inode+0x1576/0x1590 fs/f2fs/inode.c:933 Call Trace: evict+0x2a4/0x620 fs/inode.c:664 dispose_list fs/inode.c:697 [inline] evict_inodes+0x5f8/0x690 fs/inode.c:747 generic_shutdown_super+0x9d/0x2c0 fs/super.c:675 kill_block_super+0x44/0x90 fs/super.c:1667 kill_f2fs_super+0x303/0x3b0 fs/f2fs/super.c:4894 deactivate_locked_super+0xc1/0x130 fs/super.c:484 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1256 task_work_run+0x24a/0x300 kernel/task_work.c:180 ptrace_notify+0x2cd/0x380 kernel/signal.c:2399 ptrace_report_syscall include/linux/ptrace.h:411 [inline] ptrace_report_syscall_exit include/linux/ptrace.h:473 [inline] syscall_exit_work kernel/entry/common.c:251 [inline] syscall_exit_to_user_mode_prepare kernel/entry/common.c:278 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x15c/0x280 kernel/entry/common.c:296 do_syscall_64+0x50/0x110 arch/x86/entry/common.c:88 entry_SYSCALL_64_after_hwframe+0x63/0x6b The root cause is: - do_sys_open - f2fs_lookup - __f2fs_find_entry - f2fs_i_depth_write - f2fs_mark_inode_dirty_sync - f2fs_dirty_inode - set_inode_flag(inode, FI_DIRTY_INODE) - umount - kill_f2fs_super - kill_block_super - generic_shutdown_super - sync_filesystem : sb is readonly, skip sync_filesystem() - evict_inodes - iput - f2fs_evict_inode - f2fs_bug_on(sbi, is_inode_flag_set(inode, FI_DIRTY_INODE)) : trigger kernel panic When we try to repair i_current_depth in readonly filesystem, let's skip dirty inode to avoid panic in later f2fs_evict_inode().
Solution(s)
- ubuntu-upgrade-linux-image-5-15-0-1038-xilinx-zynqmp
- ubuntu-upgrade-linux-image-5-15-0-1055-gkeop
- ubuntu-upgrade-linux-image-5-15-0-1065-ibm
- ubuntu-upgrade-linux-image-5-15-0-1065-raspi
- ubuntu-upgrade-linux-image-5-15-0-1067-nvidia
- ubuntu-upgrade-linux-image-5-15-0-1067-nvidia-lowlatency
- ubuntu-upgrade-linux-image-5-15-0-1069-gke
- ubuntu-upgrade-linux-image-5-15-0-1069-kvm
- ubuntu-upgrade-linux-image-5-15-0-1070-oracle
- ubuntu-upgrade-linux-image-5-15-0-1071-gcp
- ubuntu-upgrade-linux-image-5-15-0-1072-aws
- ubuntu-upgrade-linux-image-5-15-0-1075-azure
- ubuntu-upgrade-linux-image-5-15-0-125-generic
- ubuntu-upgrade-linux-image-5-15-0-125-generic-64k
- ubuntu-upgrade-linux-image-5-15-0-125-generic-lpae
- ubuntu-upgrade-linux-image-5-15-0-125-lowlatency
- ubuntu-upgrade-linux-image-5-15-0-125-lowlatency-64k
- ubuntu-upgrade-linux-image-5-4-0-1044-iot
- ubuntu-upgrade-linux-image-5-4-0-1054-xilinx-zynqmp
- ubuntu-upgrade-linux-image-5-4-0-1082-ibm
- ubuntu-upgrade-linux-image-5-4-0-1094-bluefield
- ubuntu-upgrade-linux-image-5-4-0-1102-gkeop
- ubuntu-upgrade-linux-image-5-4-0-1119-raspi
- ubuntu-upgrade-linux-image-5-4-0-1123-kvm
- ubuntu-upgrade-linux-image-5-4-0-1134-oracle
- ubuntu-upgrade-linux-image-5-4-0-1135-aws
- ubuntu-upgrade-linux-image-5-4-0-1139-azure
- ubuntu-upgrade-linux-image-5-4-0-1139-gcp
- ubuntu-upgrade-linux-image-5-4-0-1140-azure
- ubuntu-upgrade-linux-image-5-4-0-200-generic
- ubuntu-upgrade-linux-image-5-4-0-200-generic-lpae
- ubuntu-upgrade-linux-image-5-4-0-200-lowlatency
- ubuntu-upgrade-linux-image-aws
- ubuntu-upgrade-linux-image-aws-lts-20-04
- ubuntu-upgrade-linux-image-aws-lts-22-04
- ubuntu-upgrade-linux-image-azure
- ubuntu-upgrade-linux-image-azure-lts-20-04
- ubuntu-upgrade-linux-image-azure-lts-22-04
- ubuntu-upgrade-linux-image-bluefield
- ubuntu-upgrade-linux-image-gcp
- ubuntu-upgrade-linux-image-gcp-lts-20-04
- ubuntu-upgrade-linux-image-gcp-lts-22-04
- ubuntu-upgrade-linux-image-generic
- ubuntu-upgrade-linux-image-generic-64k
- ubuntu-upgrade-linux-image-generic-64k-hwe-20-04
- ubuntu-upgrade-linux-image-generic-hwe-18-04
- ubuntu-upgrade-linux-image-generic-hwe-20-04
- ubuntu-upgrade-linux-image-generic-lpae
- ubuntu-upgrade-linux-image-generic-lpae-hwe-20-04
- ubuntu-upgrade-linux-image-gke
- ubuntu-upgrade-linux-image-gke-5-15
- ubuntu-upgrade-linux-image-gkeop
- ubuntu-upgrade-linux-image-gkeop-5-15
- ubuntu-upgrade-linux-image-gkeop-5-4
- ubuntu-upgrade-linux-image-ibm
- ubuntu-upgrade-linux-image-ibm-lts-20-04
- ubuntu-upgrade-linux-image-kvm
- ubuntu-upgrade-linux-image-lowlatency
- ubuntu-upgrade-linux-image-lowlatency-64k
- ubuntu-upgrade-linux-image-lowlatency-64k-hwe-20-04
- ubuntu-upgrade-linux-image-lowlatency-hwe-18-04
- ubuntu-upgrade-linux-image-lowlatency-hwe-20-04
- ubuntu-upgrade-linux-image-nvidia
- ubuntu-upgrade-linux-image-nvidia-lowlatency
- ubuntu-upgrade-linux-image-oem
- ubuntu-upgrade-linux-image-oem-20-04
- ubuntu-upgrade-linux-image-oem-20-04b
- ubuntu-upgrade-linux-image-oem-20-04c
- ubuntu-upgrade-linux-image-oem-20-04d
- ubuntu-upgrade-linux-image-oem-osp1
- ubuntu-upgrade-linux-image-oracle
- ubuntu-upgrade-linux-image-oracle-lts-20-04
- ubuntu-upgrade-linux-image-oracle-lts-22-04
- ubuntu-upgrade-linux-image-raspi
- ubuntu-upgrade-linux-image-raspi-hwe-18-04
- ubuntu-upgrade-linux-image-raspi-nolpae
- ubuntu-upgrade-linux-image-raspi2
- ubuntu-upgrade-linux-image-snapdragon-hwe-18-04
- ubuntu-upgrade-linux-image-virtual
- ubuntu-upgrade-linux-image-virtual-hwe-18-04
- ubuntu-upgrade-linux-image-virtual-hwe-20-04
- ubuntu-upgrade-linux-image-xilinx-zynqmp
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