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CVE-2024-39467

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on i_xattr_nid in sanity_check_inode() syzbot reports a kernel bug as below: F2FS-fs (loop0): Mou…

Published Jun 25, 2024CWE-125EPSS 0.24%

Overview

CVE-2024-39467 is a high-severity vulnerability. It was published on June 25, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, 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:

f2fs: fix to do sanity check on i_xattr_nid in sanity_check_inode()

syzbot reports a kernel bug as below:

F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4

==================================================================

BUG: KASAN: slab-out-of-bounds in f2fs_test_bit fs/f2fs/f2fs.h:2933 [inline]

BUG: KASAN: slab-out-of-bounds in current_nat_addr fs/f2fs/node.h:213 [inline]

BUG: KASAN: slab-out-of-bounds in f2fs_get_node_info+0xece/0x1200 fs/f2fs/node.c:600

Read of size 1 at addr ffff88807a58c76c by task syz-executor280/5076

CPU: 1 PID: 5076 Comm: syz-executor280 Not tainted 6.9.0-rc5-syzkaller #0

Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024

Call Trace:

<TASK>

__dump_stack lib/dump_stack.c:88 [inline]

dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114

print_address_description mm/kasan/report.c:377 [inline]

print_report+0x169/0x550 mm/kasan/report.c:488

ka

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/1640dcf383cdba52be8b28d2a1a2aa7ef7a30c98Refgit.kernel.org/stable/c/20faaf30e55522bba2b56d9c46689233205d7717Refgit.kernel.org/stable/c/68e3cd4ecb8603936cccdc338929130045df2e57Refgit.kernel.org/stable/c/75c87e2ac6149abf44bdde0dd6d541763ddb0dffRefgit.kernel.org/stable/c/8c8aa473fe6eb46a4bf99f3ea2dbe52bf0c1a1f0Refgit.kernel.org/stable/c/be0155202e431f3007778568a72432c68f8946baRefgit.kernel.org/stable/c/c559a8d840562fbfce9f318448dda2f7d3e6d8e8Refgit.kernel.org/stable/c/1640dcf383cdba52be8b28d2a1a2aa7ef7a30c98Refgit.kernel.org/stable/c/20faaf30e55522bba2b56d9c46689233205d7717Refgit.kernel.org/stable/c/68e3cd4ecb8603936cccdc338929130045df2e57

How CyberStrike helps

Frequently asked questions

What is CVE-2024-39467?

CVE-2024-39467 is a high-severity vulnerability. It was published on June 25, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2024-39467?

This vulnerability has a CVSS 3.1 base score of 7.8, 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-2024-39467?

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-2024-39467?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-39467 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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