#VU102123 NULL pointer dereference in Linux kernel - CVE-2024-56577

Vulnerability identifier: #VU102123

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-56577

CWE-ID: CWE-476

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the mtk_jpegdec_hw_init_irq() and mtk_jpegdec_hw_probe() functions in drivers/media/platform/mediatek/jpeg/mtk_jpeg_dec_hw.c, within the mtk_jpeg_single_core_init() and mtk_jpeg_probe() functions in drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/0ba08c21c6a92e6512e73644555120427c9a49d4
https://git.kernel.org/stable/c/17af2b39daf12870cac61ffc360e62bc35798afb
https://git.kernel.org/stable/c/bc3889a39baf783c64c6d628bbb74d76ce164bb1

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.