NULL pointer dereference in Linux kernel - CVE-2024-35920

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Main Vulnerability Database Vulnerabilities #VU90541

NULL pointer dereference in Linux kernel - CVE-2024-35920

Published: May 31, 2024 / Updated: May 14, 2025


Vulnerability identifier: #VU90541
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2024-35920
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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_dec_check_ap_inst() function in drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.c, within the fops_vcodec_open(), fops_vcodec_release() and mtk_vcodec_probe() functions in drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c, within the mtk_vcodec_vpu_reset_dec_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.


Affected software

Linux kernel
Ubuntu
linux-image-kvm (Ubuntu package)
linux-image-generic-lpae (Ubuntu package)
linux-image-generic-hwe-24.04 (Ubuntu package)
linux-image-generic-64k-hwe-24.04 (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-6.8.0-38-generic (Ubuntu package)
linux-image-6.8.0-38-generic-64k (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-virtual-hwe-24.04 (Ubuntu package)
linux-image-lowlatency-64k (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-6.8.0-38-lowlatency-64k (Ubuntu package)
linux-image-6.8.0-38-lowlatency (Ubuntu package)
linux-image-6.8.0-1006-gke (Ubuntu package)
linux-image-gke (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-6.8.0-1007-raspi (Ubuntu package)
linux-image-6.8.0-1007-intel (Ubuntu package)
linux-image-6.8.0-1008-oracle (Ubuntu package)
linux-image-6.8.0-1008-oracle-64k (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-oem-24.04a (Ubuntu package)
linux-image-oem-24.04 (Ubuntu package)
linux-image-oracle-64k (Ubuntu package)
linux-image-ibm-classic (Ubuntu package)
linux-image-6.8.0-1008-ibm (Ubuntu package)
linux-image-6.8.0-1008-oem (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-ibm-lts-24.04 (Ubuntu package)
linux-image-6.8.0-1009-nvidia (Ubuntu package)
linux-image-6.8.0-1009-nvidia-64k (Ubuntu package)
linux-image-nvidia (Ubuntu package)
linux-image-nvidia-64k (Ubuntu package)
linux-image-azure-fde (Ubuntu package)
linux-image-azure (Ubuntu package)
linux-image-6.8.0-1010-azure-fde (Ubuntu package)
linux-image-6.8.0-1010-azure (Ubuntu package)
linux-image-gcp (Ubuntu package)
linux-image-6.8.0-1010-gcp (Ubuntu package)
linux-image-6.8.0-1011-aws (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-intel (Ubuntu package)

How to mitigate CVE-2024-35920

Install update from vendor's website.

Linux kernel - addressed in versions 6.6.27, 6.8.6
linux-image-kvm (Ubuntu package) - update to 6.8.0-38.38
linux-image-generic-lpae (Ubuntu package) - update to 6.8.0-38.38
linux-image-generic-hwe-24.04 (Ubuntu package) - update to 6.8.0-38.38
linux-image-generic-64k-hwe-24.04 (Ubuntu package) - update to 6.8.0-38.38
linux-image-generic-64k (Ubuntu package) - update to 6.8.0-38.38
linux-image-6.8.0-38-generic (Ubuntu package) - update to 6.8.0-38.38
linux-image-6.8.0-38-generic-64k (Ubuntu package) - update to 6.8.0-38.38
linux-image-generic (Ubuntu package) - update to 6.8.0-38.38
linux-image-virtual (Ubuntu package) - update to 6.8.0-38.38
linux-image-virtual-hwe-24.04 (Ubuntu package) - update to 6.8.0-38.38
linux-image-lowlatency-64k (Ubuntu package) - update to 6.8.0-38.38.1
linux-image-lowlatency (Ubuntu package) - update to 6.8.0-38.38.1
linux-image-6.8.0-38-lowlatency-64k (Ubuntu package) - update to 6.8.0-38.38.1
linux-image-6.8.0-38-lowlatency (Ubuntu package) - update to 6.8.0-38.38.1
linux-image-6.8.0-1006-gke (Ubuntu package) - update to 6.8.0-1006.9
linux-image-gke (Ubuntu package) - update to 6.8.0-1006.9
linux-image-raspi (Ubuntu package) - update to 6.8.0-1007.7
linux-image-6.8.0-1007-raspi (Ubuntu package) - update to 6.8.0-1007.7
linux-image-intel (Ubuntu package) - update to 6.8.0-1007.14
linux-image-6.8.0-1007-intel (Ubuntu package) - update to 6.8.0-1007.14
linux-image-6.8.0-1008-oracle (Ubuntu package) - update to 6.8.0-1008.8
linux-image-6.8.0-1008-oracle-64k (Ubuntu package) - update to 6.8.0-1008.8
linux-image-oracle (Ubuntu package) - update to 6.8.0-1008.8
linux-image-oem-24.04a (Ubuntu package) - update to 6.8.0-1008.8
linux-image-oem-24.04 (Ubuntu package) - update to 6.8.0-1008.8
linux-image-oracle-64k (Ubuntu package) - update to 6.8.0-1008.8
linux-image-ibm-classic (Ubuntu package) - update to 6.8.0-1008.8
linux-image-6.8.0-1008-ibm (Ubuntu package) - update to 6.8.0-1008.8
linux-image-6.8.0-1008-oem (Ubuntu package) - update to 6.8.0-1008.8
linux-image-ibm (Ubuntu package) - update to 6.8.0-1008.8
linux-image-ibm-lts-24.04 (Ubuntu package) - update to 6.8.0-1008.8
linux-image-6.8.0-1009-nvidia (Ubuntu package) - update to 6.8.0-1009.9
linux-image-6.8.0-1009-nvidia-64k (Ubuntu package) - update to 6.8.0-1009.9
linux-image-nvidia (Ubuntu package) - update to 6.8.0-1009.9
linux-image-nvidia-64k (Ubuntu package) - update to 6.8.0-1009.9
linux-image-azure-fde (Ubuntu package) - update to 6.8.0-1010.10
linux-image-azure (Ubuntu package) - update to 6.8.0-1010.10
linux-image-6.8.0-1010-azure-fde (Ubuntu package) - update to 6.8.0-1010.10
linux-image-6.8.0-1010-azure (Ubuntu package) - update to 6.8.0-1010.10
linux-image-gcp (Ubuntu package) - update to 6.8.0-1010.11
linux-image-6.8.0-1010-gcp (Ubuntu package) - update to 6.8.0-1010.11
linux-image-6.8.0-1011-aws (Ubuntu package) - update to 6.8.0-1011.12
linux-image-aws (Ubuntu package) - update to 6.8.0-1011.12

External References

Related Security Bulletins