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    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Sun, 04 Oct 2026 09:44:33 +0000</lastBuildDate>
    <item>
      <title>CVE-2024-42297 — f2fs: fix to don't dirty inode for readonly filesystem</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2024-42297</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;f2fs: fix to don&amp;#39;t dirty inode for readonly filesystem&lt;/p&gt;
&lt;p&gt;syzbot reports f2fs bug as below:&lt;/p&gt;
&lt;p&gt;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&lt;/p&gt;
&lt;p&gt;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)&lt;/p&gt;
&lt;p&gt;- umount
 - kill_f2fs_super
  - kill_block_super
   - generic_shutdown_super
    - sync_filesystem
    :…&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;f2fs: fix to don&amp;#39;t dirty inode for readonly filesystem&lt;/p&gt;
&lt;p&gt;syzbot reports f2fs bug as below:&lt;/p&gt;
&lt;p&gt;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&lt;/p&gt;
&lt;p&gt;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)&lt;/p&gt;
&lt;p&gt;- umount
 - kill_f2fs_super
  - kill_block_super
   - generic_shutdown_super
    - sync_filesystem
    :…&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2024-42297</guid>
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