CVE - CVE-2024-53155

CVE-ID
CVE-2024-53155	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
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()'.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/366c933c2ab34dd6551acc03b4872726b7605143 URL:https://git.kernel.org/stable/c/366c933c2ab34dd6551acc03b4872726b7605143 MISC:https://git.kernel.org/stable/c/66b7ddd1804e2c4216dd7ead8eeb746cdbb3b62f URL:https://git.kernel.org/stable/c/66b7ddd1804e2c4216dd7ead8eeb746cdbb3b62f MISC:https://git.kernel.org/stable/c/6c8f8d1e595dabd5389817f6d798cc8bd95c40ab URL:https://git.kernel.org/stable/c/6c8f8d1e595dabd5389817f6d798cc8bd95c40ab MISC:https://git.kernel.org/stable/c/83f8713a0ef1d55d6a287bcfadcaab8245ac5098 URL:https://git.kernel.org/stable/c/83f8713a0ef1d55d6a287bcfadcaab8245ac5098 MISC:https://git.kernel.org/stable/c/8c966150d5abff58c3c2bdb9a6e63fd773782905 URL:https://git.kernel.org/stable/c/8c966150d5abff58c3c2bdb9a6e63fd773782905 MISC:https://git.kernel.org/stable/c/8e0de82ed18ba0e71f817adbd81317fd1032ca5a URL:https://git.kernel.org/stable/c/8e0de82ed18ba0e71f817adbd81317fd1032ca5a MISC:https://git.kernel.org/stable/c/adc77b19f62d7e80f98400b2fca9d700d2afdd6f URL:https://git.kernel.org/stable/c/adc77b19f62d7e80f98400b2fca9d700d2afdd6f MISC:https://git.kernel.org/stable/c/dc78efe556fed162d48736ef24066f42e463e27c URL:https://git.kernel.org/stable/c/dc78efe556fed162d48736ef24066f42e463e27c MISC:https://git.kernel.org/stable/c/f4078ef38d3163e6be47403a619558b19c4bfccd URL:https://git.kernel.org/stable/c/f4078ef38d3163e6be47403a619558b19c4bfccd
Assigning CNA
kernel.org
Date Record Created
20241119	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20241119)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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