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CVE-2024-53155

7.1 · HIGH

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-val…

Published Dec 24, 2024CWE-908EPSS 0.24%

Overview

CVE-2024-53155 is a high-severity vulnerability. It was published on December 24, 2024 and has a CVSS 3.1 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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 passe

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/366c933c2ab34dd6551acc03b4872726b7605143Refgit.kernel.org/stable/c/66b7ddd1804e2c4216dd7ead8eeb746cdbb3b62fRefgit.kernel.org/stable/c/6c8f8d1e595dabd5389817f6d798cc8bd95c40abRefgit.kernel.org/stable/c/83f8713a0ef1d55d6a287bcfadcaab8245ac5098Refgit.kernel.org/stable/c/8c966150d5abff58c3c2bdb9a6e63fd773782905Refgit.kernel.org/stable/c/8e0de82ed18ba0e71f817adbd81317fd1032ca5aRefgit.kernel.org/stable/c/adc77b19f62d7e80f98400b2fca9d700d2afdd6fRefgit.kernel.org/stable/c/dc78efe556fed162d48736ef24066f42e463e27cRefgit.kernel.org/stable/c/f4078ef38d3163e6be47403a619558b19c4bfccdReflists.debian.org/debian-lts-announce/2025/03/msg00001.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-53155?

CVE-2024-53155 is a high-severity vulnerability. It was published on December 24, 2024 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2024-53155?

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-53155?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-53155?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-53155 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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