CVE-2022-49380

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-49380
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid f2fs_bug_on() in dec_valid_node_count() As Yanming reported in bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=215897 I have encountered a bug in F2FS file system in kernel v5.17. The kernel should enable CONFIG_KASAN=y and CONFIG_KASAN_INLINE=y. You can reproduce the bug by running the following commands: The kernel message is shown below: kernel BUG at fs/f2fs/f2fs.h:2511! Call Trace: f2fs_remove_inode_page+0x2a2/0x830 f2fs_evict_inode+0x9b7/0x1510 evict+0x282/0x4e0 do_unlinkat+0x33a/0x540 __x64_sys_unlinkat+0x8e/0xd0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae The root cause is: .total_valid_block_count or .total_valid_node_count could fuzzed to zero, then once dec_valid_node_count() was called, it will cause BUG_ON(), this patch fixes to print warning info and set SBI_NEED_FSCK into CP instead of panic.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/2766ddaf45b69252bb8fe526b5b6e56904a9ae7a Patch
https://git.kernel.org/stable/c/4d17e6fe9293d57081ffdc11e1cf313e25e8fd9e Patch
https://git.kernel.org/stable/c/89d9a48d0cd30429463ea4e37ca83be6773ed5eb Patch
https://git.kernel.org/stable/c/bce859358d3d5940aa858e40ceee70ee6e76130e Patch
https://git.kernel.org/stable/c/ccffa99ae6a1f44797b57444c6a80382a42928fe Patch
https://git.kernel.org/stable/c/f8b3c3fcf33105bc1ee7788e3b51b0a1ae42ae53 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

21 Oct 2025, 12:15

Type Values Removed Values Added
CWE NVD-CWE-noinfo
First Time Linux
Linux linux Kernel
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: f2fs: corrección para evitar f2fs_bug_on() en dec_valid_node_count() Como informó Yanming en bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=215897 He encontrado un error en el sistema de archivos F2FS en el kernel v5.17. El kernel debería habilitar CONFIG_KASAN=y y CONFIG_KASAN_INLINE=y. Puede reproducir el error ejecutando los siguientes comandos: El mensaje del kernel se muestra a continuación: kernel BUG at fs/f2fs/f2fs.h:2511! Call Trace: f2fs_remove_inode_page+0x2a2/0x830 f2fs_evict_inode+0x9b7/0x1510 evict+0x282/0x4e0 do_unlinkat+0x33a/0x540 __x64_sys_unlinkat+0x8e/0xd0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae The root cause is: .total_valid_block_count or .total_valid_node_count could fuzzed to zero, then once dec_valid_node_count() was called, it will cause BUG_ON(), este parche corrige la impresión de información de advertencia y la configuración de SBI_NEED_FSCK en CP en lugar de pánico.
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
References () https://git.kernel.org/stable/c/2766ddaf45b69252bb8fe526b5b6e56904a9ae7a - () https://git.kernel.org/stable/c/2766ddaf45b69252bb8fe526b5b6e56904a9ae7a - Patch
References () https://git.kernel.org/stable/c/4d17e6fe9293d57081ffdc11e1cf313e25e8fd9e - () https://git.kernel.org/stable/c/4d17e6fe9293d57081ffdc11e1cf313e25e8fd9e - Patch
References () https://git.kernel.org/stable/c/89d9a48d0cd30429463ea4e37ca83be6773ed5eb - () https://git.kernel.org/stable/c/89d9a48d0cd30429463ea4e37ca83be6773ed5eb - Patch
References () https://git.kernel.org/stable/c/bce859358d3d5940aa858e40ceee70ee6e76130e - () https://git.kernel.org/stable/c/bce859358d3d5940aa858e40ceee70ee6e76130e - Patch
References () https://git.kernel.org/stable/c/ccffa99ae6a1f44797b57444c6a80382a42928fe - () https://git.kernel.org/stable/c/ccffa99ae6a1f44797b57444c6a80382a42928fe - Patch
References () https://git.kernel.org/stable/c/f8b3c3fcf33105bc1ee7788e3b51b0a1ae42ae53 - () https://git.kernel.org/stable/c/f8b3c3fcf33105bc1ee7788e3b51b0a1ae42ae53 - Patch

26 Feb 2025, 07:01

Type Values Removed Values Added
New CVE
Information

Published : 2025-02-26 07:01

Updated : 2025-10-21 12:15

NVD link : CVE-2022-49380

Mitre link : CVE-2022-49380

CVE.ORG link : CVE-2022-49380

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
NVD-CWE-noinfo