CVE-2024-53155

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2024-53155
In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix uninitialized value in ocfs2_file_read_iter() Syzbot has reported the following KMSAN splat: BUG: KMSAN: uninit-value in ocfs2_file_read_iter+0x9a4/0xf80 ocfs2_file_read_iter+0x9a4/0xf80 __io_read+0x8d4/0x20f0 io_read+0x3e/0xf0 io_issue_sqe+0x42b/0x22c0 io_wq_submit_work+0xaf9/0xdc0 io_worker_handle_work+0xd13/0x2110 io_wq_worker+0x447/0x1410 ret_from_fork+0x6f/0x90 ret_from_fork_asm+0x1a/0x30 Uninit was created at: __alloc_pages_noprof+0x9a7/0xe00 alloc_pages_mpol_noprof+0x299/0x990 alloc_pages_noprof+0x1bf/0x1e0 allocate_slab+0x33a/0x1250 ___slab_alloc+0x12ef/0x35e0 kmem_cache_alloc_bulk_noprof+0x486/0x1330 __io_alloc_req_refill+0x84/0x560 io_submit_sqes+0x172f/0x2f30 __se_sys_io_uring_enter+0x406/0x41c0 __x64_sys_io_uring_enter+0x11f/0x1a0 x64_sys_call+0x2b54/0x3ba0 do_syscall_64+0xcd/0x1e0 entry_SYSCALL_64_after_hwframe+0x77/0x7f Since an instance of 'struct kiocb' may be passed from the block layer with 'private' field uninitialized, introduce 'ocfs2_iocb_init_rw_locked()' and use it from where 'ocfs2_dio_end_io()' might take care, i.e. in 'ocfs2_file_read_iter()' and 'ocfs2_file_write_iter()'.

7.1 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/366c933c2ab34dd6551acc03b4872726b7605143 Patch
https://git.kernel.org/stable/c/66b7ddd1804e2c4216dd7ead8eeb746cdbb3b62f Patch
https://git.kernel.org/stable/c/6c8f8d1e595dabd5389817f6d798cc8bd95c40ab Patch
https://git.kernel.org/stable/c/83f8713a0ef1d55d6a287bcfadcaab8245ac5098 Patch
https://git.kernel.org/stable/c/8c966150d5abff58c3c2bdb9a6e63fd773782905 Patch
https://git.kernel.org/stable/c/8e0de82ed18ba0e71f817adbd81317fd1032ca5a Patch
https://git.kernel.org/stable/c/adc77b19f62d7e80f98400b2fca9d700d2afdd6f Patch
https://git.kernel.org/stable/c/dc78efe556fed162d48736ef24066f42e463e27c Patch
https://git.kernel.org/stable/c/f4078ef38d3163e6be47403a619558b19c4bfccd 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:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

07 Jan 2025, 16:00

Type Values Removed Values Added
CWE CWE-908
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.1
References () https://git.kernel.org/stable/c/366c933c2ab34dd6551acc03b4872726b7605143 - () https://git.kernel.org/stable/c/366c933c2ab34dd6551acc03b4872726b7605143 - Patch
References () https://git.kernel.org/stable/c/66b7ddd1804e2c4216dd7ead8eeb746cdbb3b62f - () https://git.kernel.org/stable/c/66b7ddd1804e2c4216dd7ead8eeb746cdbb3b62f - Patch
References () https://git.kernel.org/stable/c/6c8f8d1e595dabd5389817f6d798cc8bd95c40ab - () https://git.kernel.org/stable/c/6c8f8d1e595dabd5389817f6d798cc8bd95c40ab - Patch
References () https://git.kernel.org/stable/c/83f8713a0ef1d55d6a287bcfadcaab8245ac5098 - () https://git.kernel.org/stable/c/83f8713a0ef1d55d6a287bcfadcaab8245ac5098 - Patch
References () https://git.kernel.org/stable/c/8c966150d5abff58c3c2bdb9a6e63fd773782905 - () https://git.kernel.org/stable/c/8c966150d5abff58c3c2bdb9a6e63fd773782905 - Patch
References () https://git.kernel.org/stable/c/8e0de82ed18ba0e71f817adbd81317fd1032ca5a - () https://git.kernel.org/stable/c/8e0de82ed18ba0e71f817adbd81317fd1032ca5a - Patch
References () https://git.kernel.org/stable/c/adc77b19f62d7e80f98400b2fca9d700d2afdd6f - () https://git.kernel.org/stable/c/adc77b19f62d7e80f98400b2fca9d700d2afdd6f - Patch
References () https://git.kernel.org/stable/c/dc78efe556fed162d48736ef24066f42e463e27c - () https://git.kernel.org/stable/c/dc78efe556fed162d48736ef24066f42e463e27c - Patch
References () https://git.kernel.org/stable/c/f4078ef38d3163e6be47403a619558b19c4bfccd - () https://git.kernel.org/stable/c/f4078ef38d3163e6be47403a619558b19c4bfccd - Patch
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ocfs2: corrige el valor no inicializado en ocfs2_file_read_iter() Syzbot ha informado el siguiente símbolo KMSAN: ERROR: KMSAN: valor uninicial en ocfs2_file_read_iter+0x9a4/0xf80 ocfs2_file_read_iter+0x9a4/0xf80 __io_read+0x8d4/0x20f0 io_read+0x3e/0xf0 io_issue_sqe+0x42b/0x22c0 io_wq_submit_work+0xaf9/0xdc0 io_worker_handle_work+0xd13/0x2110 io_wq_worker+0x447/0x1410 ret_from_fork+0x6f/0x90 ret_from_fork_asm+0x1a/0x30 Uninit se creó en: __alloc_pages_noprof+0x9a7/0xe00 alloc_pages_mpol_noprof+0x299/0x990 alloc_pages_noprof+0x1bf/0x1e0 allocate_slab+0x33a/0x1250 ___slab_alloc+0x12ef/0x35e0 kmem_cache_alloc_bulk_noprof+0x486/0x1330 __io_alloc_req_refill+0x84/0x560 io_submit_sqes+0x172f/0x2f30 __se_sys_io_uring_enter+0x406/0x41c0 __x64_sys_io_uring_enter+0x11f/0x1a0 x64_sys_call+0x2b54/0x3ba0 do_syscall_64+0xcd/0x1e0 Entry_SYSCALL_64_after_hwframe+0x77/0x7f Dado que una instancia de 'struct kiocb' puede pasarse desde la capa de bloque con el campo 'privado' no inicializado, introduzca 'ocfs2_iocb_init_rw_locked()' y utilícelo desde donde podría tomar 'ocfs2_dio_end_io()' cuidado, es decir en 'ocfs2_file_read_iter()' y 'ocfs2_file_write_iter()'.
First Time Linux linux Kernel
Linux
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

24 Dec 2024, 12:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-12-24 12:15

Updated : 2025-01-07 16:00

NVD link : CVE-2024-53155

Mitre link : CVE-2024-53155

CVE.ORG link : CVE-2024-53155

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-908

Use of Uninitialized Resource