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CVE-2024-39301

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: net/9p: fix uninit-value in p9_client_rpc() Syzbot with the help of KMSAN reported the following error: BUG: KMSAN: uninit-val…

Published Jun 25, 2024CWE-665EPSS 0.23%

Overview

CVE-2024-39301 is a medium-severity vulnerability. It was published on June 25, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. 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:

net/9p: fix uninit-value in p9_client_rpc()

Syzbot with the help of KMSAN reported the following error:

BUG: KMSAN: uninit-value in trace_9p_client_res include/trace/events/9p.h:146 [inline]

BUG: KMSAN: uninit-value in p9_client_rpc+0x1314/0x1340 net/9p/client.c:754

trace_9p_client_res include/trace/events/9p.h:146 [inline]

p9_client_rpc+0x1314/0x1340 net/9p/client.c:754

p9_client_create+0x1551/0x1ff0 net/9p/client.c:1031

v9fs_session_init+0x1b9/0x28e0 fs/9p/v9fs.c:410

v9fs_mount+0xe2/0x12b0 fs/9p/vfs_super.c:122

legacy_get_tree+0x114/0x290 fs/fs_context.c:662

vfs_get_tree+0xa7/0x570 fs/super.c:1797

do_new_mount+0x71f/0x15e0 fs/namespace.c:3352

path_mount+0x742/0x1f20 fs/namespace.c:3679

do_mount fs/namespace.c:3692 [inline]

__do_sys_mount fs/namespace.c:3898 [inline]

__se_sys_mount+0x725/0x810 fs/namespace.c:3875

__x64_sys_mount+0xe4/0x150 fs/namespace.c:3875

do_syscall_64+0xd5/0x1f0

entry_SYSCALL_64

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/124947855564572713d705a13be7d0c9dae16a17Refgit.kernel.org/stable/c/2101901dd58c6da4924bc5efb217a1d83436290bRefgit.kernel.org/stable/c/25460d6f39024cc3b8241b14c7ccf0d6f11a736aRefgit.kernel.org/stable/c/6c1791130b781c843572fb6391c4a4c5d857ab17Refgit.kernel.org/stable/c/72c5d8e416ecc46af370a1340b3db5ff0b0cc867Refgit.kernel.org/stable/c/89969ffbeb948ffc159d19252e7469490103011bRefgit.kernel.org/stable/c/ca71f204711ad24113e8b344dc5bb8b0385f5672Refgit.kernel.org/stable/c/fe5c604053c36c62af24eee8a76407d026ea5163Refgit.kernel.org/stable/c/124947855564572713d705a13be7d0c9dae16a17Refgit.kernel.org/stable/c/2101901dd58c6da4924bc5efb217a1d83436290b

How CyberStrike helps

Frequently asked questions

What is CVE-2024-39301?

CVE-2024-39301 is a medium-severity vulnerability. It was published on June 25, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-39301?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-39301?

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-2024-39301?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-39301 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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