#VU90543 NULL pointer dereference in Linux kernel


Published: 2024-05-31

Vulnerability identifier: #VU90543

Vulnerability risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-35919

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 vpu_enc_check_ap_inst() function in drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c, within the fops_vcodec_open(), fops_vcodec_release() and mtk_vcodec_probe() functions in drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_drv.c, within the mtk_vcodec_vpu_reset_enc_handler() function in drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_vpu.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:


External links
http://git.kernel.org/stable/c/41671f0c0182b2bae74ca7e3b0f155559e3e2fc5
http://git.kernel.org/stable/c/51c84a8aac6e3b59af2b0e92ba63cabe2e641a2d
http://git.kernel.org/stable/c/afaaf3a0f647a24a7bf6a2145d8ade37baaf75ad


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.


Latest bulletins with this vulnerability