#VU96302 Buffer overflow in Linux kernel - CVE-2024-43877

Vulnerability identifier: #VU96302

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-2024-43877

CWE-ID: CWE-119

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 memory corruption within the ivtvfb_prep_dec_dma_to_device() function in drivers/media/pci/ivtv/ivtvfb.c, within the ivtv_yuv_prep_user_dma() function in drivers/media/pci/ivtv/ivtv-yuv.c, within the ivtv_udma_setup() function in drivers/media/pci/ivtv/ivtv-udma.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/24062aa7407091dee3e45a8e8037df437e848718
https://git.kernel.org/stable/c/3d8fd92939e21ff0d45100ab208f8124af79402a
https://git.kernel.org/stable/c/c766065e8272085ea9c436414b7ddf1f12e7787b
https://git.kernel.org/stable/c/629913d6d79508b166c66e07e4857e20233d85a9

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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.