CVE-2024-53235

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  3. CVE-2024-53235

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

I

n the Linux kernel, the following vulnerability has been resolved: erofs: fix file-backed mounts over FUSE syzbot reported a null-ptr-deref in fuse_read_args_fill: fuse_read_folio+0xb0/0x100 fs/fuse/file.c:905 filemap_read_folio+0xc6/0x2a0 mm/filemap.c:2367 do_read_cache_folio+0x263/0x5c0 mm/filemap.c:3825 read_mapping_folio include/linux/pagemap.h:1011 [inline] erofs_bread+0x34d/0x7e0 fs/erofs/data.c:41 erofs_read_superblock fs/erofs/super.c:281 [inline] erofs_fc_fill_super+0x2b9/0x2500 fs/erofs/super.c:625 Unlike most filesystems, some network filesystems and FUSE need unavoidable valid `file` pointers for their read I/Os [1]. Anyway, those use cases need to be supported too. [1] https://docs.kernel.org/filesystems/vfs.html

References
Link Resource
https://git.kernel.org/stable/c/3a23787ca8756920d65fda39f41353a4be1d1642 Patch
https://git.kernel.org/stable/c/5036f2f024cac40a02ea6ea70de2c3a4407d16bc Patch
Configurations

Configuration 1 (hide)

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

07 Jan 2025, 16:02

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
First Time Linux linux Kernel
Linux
CWE CWE-476
References () https://git.kernel.org/stable/c/3a23787ca8756920d65fda39f41353a4be1d1642 - () https://git.kernel.org/stable/c/3a23787ca8756920d65fda39f41353a4be1d1642 - Patch
References () https://git.kernel.org/stable/c/5036f2f024cac40a02ea6ea70de2c3a4407d16bc - () https://git.kernel.org/stable/c/5036f2f024cac40a02ea6ea70de2c3a4407d16bc - Patch
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: erofs: se corrigen los montajes respaldados por archivos sobre FUSE syzbot informó de un null-ptr-deref en fuse_read_args_fill: fuse_read_folio+0xb0/0x100 fs/fuse/file.c:905 filemap_read_folio+0xc6/0x2a0 mm/filemap.c:2367 do_read_cache_folio+0x263/0x5c0 mm/filemap.c:3825 read_mapping_folio include/linux/pagemap.h:1011 [en línea] erofs_bread+0x34d/0x7e0 fs/erofs/data.c:41 erofs_read_superblock fs/erofs/super.c:281 [en línea] erofs_fc_fill_super+0x2b9/0x2500 fs/erofs/super.c:625 A diferencia de la mayoría de los sistemas de archivos, algunos sistemas de archivos de red y FUSE necesitan punteros de `archivo` válidos e inevitables para sus E/S de lectura [1]. De todos modos, esos casos de uso también deben ser compatibles. [1] https://docs.kernel.org/filesystems/vfs.html
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5

27 Dec 2024, 14:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-12-27 14:15

Updated : 2025-10-01 20:17

NVD link : CVE-2024-53235

Mitre link : CVE-2024-53235

CVE.ORG link : CVE-2024-53235

JSON object : View

Products Affected

linux

CWE
CWE-476

NULL Pointer Dereference