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CVE-2024-46849

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: ASoC: meson: axg-card: fix 'use-after-free' Buffer 'card->dai_link' is reallocated in 'meson_card_reallocate_links()', so move…

Published Sep 27, 2024CWE-416EPSS 0.25%

Overview

CVE-2024-46849 is a high-severity vulnerability. It was published on September 27, 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:

ASoC: meson: axg-card: fix 'use-after-free'

Buffer 'card->dai_link' is reallocated in 'meson_card_reallocate_links()',

so move 'pad' pointer initialization after this function when memory is

already reallocated.

Kasan bug report:

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

BUG: KASAN: slab-use-after-free in axg_card_add_link+0x76c/0x9bc

Read of size 8 at addr ffff000000e8b260 by task modprobe/356

CPU: 0 PID: 356 Comm: modprobe Tainted: G O 6.9.12-sdkernel #1

Call trace:

dump_backtrace+0x94/0xec

show_stack+0x18/0x24

dump_stack_lvl+0x78/0x90

print_report+0xfc/0x5c0

kasan_report+0xb8/0xfc

__asan_load8+0x9c/0xb8

axg_card_add_link+0x76c/0x9bc [snd_soc_meson_axg_sound_card]

meson_card_probe+0x344/0x3b8 [snd_soc_meson_card_utils]

platform_probe+0x8c/0xf4

really_probe+0x110/0x39c

__driver_probe_device+0xb8/0x18c

driver_probe_device+0x108/0x1d8

__driver_attach+0xd0/0x25c

bus_for_each_de

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/4f9a71435953f941969a4f017e2357db62d85a86Refgit.kernel.org/stable/c/5a2cc2bb81399e9ebc72560541137eb04d61dc3dRefgit.kernel.org/stable/c/7d318166bf55e9029d56997c3b134f4ac2ae2607Refgit.kernel.org/stable/c/a33145f494e6cb82f3e018662cc7c4febf271f22Refgit.kernel.org/stable/c/e1a199ec31617242e1a0ea8f312341e682d0c037Refgit.kernel.org/stable/c/e43364f578cdc2f8083abbc0cb743ea55e827c29Refgit.kernel.org/stable/c/fb0530025d502cb79d2b2801b14a9d5261833f1aReflists.debian.org/debian-lts-announce/2025/01/msg00001.htmlReflists.debian.org/debian-lts-announce/2025/03/msg00002.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-46849?

CVE-2024-46849 is a high-severity vulnerability. It was published on September 27, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2024-46849?

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-2024-46849?

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-2024-46849?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-46849 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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