Use-after-free in Linux kernel - CVE-2024-42108

Vulnerability identifier: #VU94935

CSH Severity: Low

CVSS v4 BT: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-42108

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the rswitch_tx_free() function in drivers/net/ethernet/renesas/rswitch.c. A local user can escalate privileges on the system.

Linux kernel
Ubuntu
linux-image-6.8.0-48-generic-64k (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-generic-64k-hwe-24.04 (Ubuntu package)
linux-image-generic-hwe-24.04 (Ubuntu package)
linux-image-generic-lpae (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-virtual-hwe-24.04 (Ubuntu package)
linux-image-6.8.0-48-generic (Ubuntu package)
linux-image-lowlatency-64k-hwe-24.04 (Ubuntu package)
linux-image-lowlatency-hwe-24.04 (Ubuntu package)
linux-image-lowlatency-64k (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-6.8.0-48-lowlatency-64k (Ubuntu package)
linux-image-6.8.0-48-lowlatency (Ubuntu package)
linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package)
linux-image-lowlatency-hwe-22.04 (Ubuntu package)
linux-image-generic-hwe-22.04 (Ubuntu package)
linux-image-oem-22.04 (Ubuntu package)
linux-image-oem-22.04a (Ubuntu package)
linux-image-oem-22.04b (Ubuntu package)
linux-image-oem-22.04c (Ubuntu package)
linux-image-oem-22.04d (Ubuntu package)
linux-image-virtual-hwe-22.04 (Ubuntu package)
linux-image-generic-64k-hwe-22.04 (Ubuntu package)
linux-image-gkeop-6.8 (Ubuntu package)
linux-image-6.8.0-1002-gkeop (Ubuntu package)
linux-image-gkeop (Ubuntu package)
linux-image-gke (Ubuntu package)
linux-image-6.8.0-1013-gke (Ubuntu package)
linux-image-6.8.0-1014-ibm (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-ibm-classic (Ubuntu package)
linux-image-ibm-lts-24.04 (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-6.8.0-1014-raspi (Ubuntu package)
linux-image-6.8.0-1015-oracle (Ubuntu package)
linux-image-6.8.0-1015-oracle-64k (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-oracle-64k (Ubuntu package)
linux-image-6.8.0-1016-oem (Ubuntu package)
linux-image-oem-24.04 (Ubuntu package)
linux-image-oem-24.04a (Ubuntu package)
linux-image-6.8.0-1016-azure-fde (Ubuntu package)
linux-image-6.8.0-1016-azure (Ubuntu package)
linux-image-azure (Ubuntu package)
linux-image-azure-fde (Ubuntu package)
linux-image-6.8.0-1016-gcp (Ubuntu package)
linux-image-gcp (Ubuntu package)
linux-image-6.8.0-1017-nvidia (Ubuntu package)
linux-image-6.8.0-1017-nvidia-64k (Ubuntu package)
linux-image-nvidia-64k (Ubuntu package)
linux-image-nvidia (Ubuntu package)
linux-image-nvidia-lowlatency-64k (Ubuntu package)
linux-image-nvidia-lowlatency (Ubuntu package)
linux-image-6.8.0-1017-nvidia-lowlatency-64k (Ubuntu package)
linux-image-6.8.0-1017-nvidia-lowlatency (Ubuntu package)
linux-image-nvidia-64k-hwe-22.04 (Ubuntu package)
linux-image-nvidia-6.8 (Ubuntu package)
linux-image-6.8.0-1017-gcp (Ubuntu package)
linux-image-nvidia-64k-6.8 (Ubuntu package)
linux-image-nvidia-hwe-22.04 (Ubuntu package)
linux-image-6.8.0-1017-azure-fde (Ubuntu package)
linux-image-6.8.0-1017-azure (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-6.8.0-1018-aws (Ubuntu package)

Install update from vendor's website.

Linux kernel - addressed in versions 6.6.67, 6.10
linux-image-6.8.0-48-generic-64k (Ubuntu package) - addressed in versions 6.8.0-48.48, 6.8.0-48.48~22.04.1
linux-image-generic (Ubuntu package) - update to 6.8.0-48.48
linux-image-generic-64k (Ubuntu package) - update to 6.8.0-48.48
linux-image-generic-64k-hwe-24.04 (Ubuntu package) - update to 6.8.0-48.48
linux-image-generic-hwe-24.04 (Ubuntu package) - update to 6.8.0-48.48
linux-image-generic-lpae (Ubuntu package) - update to 6.8.0-48.48
linux-image-kvm (Ubuntu package) - update to 6.8.0-48.48
linux-image-virtual (Ubuntu package) - update to 6.8.0-48.48
linux-image-virtual-hwe-24.04 (Ubuntu package) - update to 6.8.0-48.48
linux-image-6.8.0-48-generic (Ubuntu package) - addressed in versions 6.8.0-48.48, 6.8.0-48.48~22.04.1
linux-image-lowlatency-64k-hwe-24.04 (Ubuntu package) - update to 6.8.0-48.48.3
linux-image-lowlatency-hwe-24.04 (Ubuntu package) - update to 6.8.0-48.48.3
linux-image-lowlatency-64k (Ubuntu package) - update to 6.8.0-48.48.3
linux-image-lowlatency (Ubuntu package) - update to 6.8.0-48.48.3
linux-image-6.8.0-48-lowlatency-64k (Ubuntu package) - addressed in versions 6.8.0-48.48.3, 6.8.0-48.48.3~22.04.1
linux-image-6.8.0-48-lowlatency (Ubuntu package) - addressed in versions 6.8.0-48.48.3, 6.8.0-48.48.3~22.04.1
linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package) - update to 6.8.0-48.48.3~22.04.1
linux-image-lowlatency-hwe-22.04 (Ubuntu package) - update to 6.8.0-48.48.3~22.04.1
linux-image-generic-hwe-22.04 (Ubuntu package) - update to 6.8.0-48.48~22.04.1
linux-image-oem-22.04 (Ubuntu package) - update to 6.8.0-48.48~22.04.1
linux-image-oem-22.04a (Ubuntu package) - update to 6.8.0-48.48~22.04.1
linux-image-oem-22.04b (Ubuntu package) - update to 6.8.0-48.48~22.04.1
linux-image-oem-22.04c (Ubuntu package) - update to 6.8.0-48.48~22.04.1
linux-image-oem-22.04d (Ubuntu package) - update to 6.8.0-48.48~22.04.1
linux-image-virtual-hwe-22.04 (Ubuntu package) - update to 6.8.0-48.48~22.04.1
linux-image-generic-64k-hwe-22.04 (Ubuntu package) - update to 6.8.0-48.48~22.04.1
linux-image-gkeop-6.8 (Ubuntu package) - update to 6.8.0-1002.4
linux-image-6.8.0-1002-gkeop (Ubuntu package) - update to 6.8.0-1002.4
linux-image-gkeop (Ubuntu package) - update to 6.8.0-1002.4
linux-image-gke (Ubuntu package) - update to 6.8.0-1013.17
linux-image-6.8.0-1013-gke (Ubuntu package) - update to 6.8.0-1013.17
linux-image-6.8.0-1014-ibm (Ubuntu package) - update to 6.8.0-1014.14
linux-image-ibm (Ubuntu package) - update to 6.8.0-1014.14
linux-image-ibm-classic (Ubuntu package) - update to 6.8.0-1014.14
linux-image-ibm-lts-24.04 (Ubuntu package) - update to 6.8.0-1014.14
linux-image-raspi (Ubuntu package) - update to 6.8.0-1014.16
linux-image-6.8.0-1014-raspi (Ubuntu package) - update to 6.8.0-1014.16
linux-image-6.8.0-1015-oracle (Ubuntu package) - addressed in versions 6.8.0-1015.15~22.04.1, 6.8.0-1015.16
linux-image-6.8.0-1015-oracle-64k (Ubuntu package) - addressed in versions 6.8.0-1015.15~22.04.1, 6.8.0-1015.16
linux-image-oracle (Ubuntu package) - addressed in versions 6.8.0-1015.15~22.04.1, 6.8.0-1015.16
linux-image-oracle-64k (Ubuntu package) - addressed in versions 6.8.0-1015.15~22.04.1, 6.8.0-1015.16
linux-image-6.8.0-1016-oem (Ubuntu package) - update to 6.8.0-1016.16
linux-image-oem-24.04 (Ubuntu package) - update to 6.8.0-1016.16
linux-image-oem-24.04a (Ubuntu package) - update to 6.8.0-1016.16
linux-image-6.8.0-1016-azure-fde (Ubuntu package) - update to 6.8.0-1016.18
linux-image-6.8.0-1016-azure (Ubuntu package) - update to 6.8.0-1016.18
linux-image-azure (Ubuntu package) - addressed in versions 6.8.0-1016.18, 6.8.0-1017.20~22.04.1
linux-image-azure-fde (Ubuntu package) - addressed in versions 6.8.0-1016.18, 6.8.0-1017.20~22.04.1
linux-image-6.8.0-1016-gcp (Ubuntu package) - update to 6.8.0-1016.18~22.04.1
linux-image-gcp (Ubuntu package) - addressed in versions 6.8.0-1016.18~22.04.1, 6.8.0-1017.19~22.04.1
linux-image-6.8.0-1017-nvidia (Ubuntu package) - addressed in versions 6.8.0-1017.19, 6.8.0-1017.19~22.04.1
linux-image-6.8.0-1017-nvidia-64k (Ubuntu package) - addressed in versions 6.8.0-1017.19, 6.8.0-1017.19~22.04.1
linux-image-nvidia-64k (Ubuntu package) - update to 6.8.0-1017.19
linux-image-nvidia (Ubuntu package) - update to 6.8.0-1017.19
linux-image-nvidia-lowlatency-64k (Ubuntu package) - update to 6.8.0-1017.19.1
linux-image-nvidia-lowlatency (Ubuntu package) - update to 6.8.0-1017.19.1
linux-image-6.8.0-1017-nvidia-lowlatency-64k (Ubuntu package) - update to 6.8.0-1017.19.1
linux-image-6.8.0-1017-nvidia-lowlatency (Ubuntu package) - update to 6.8.0-1017.19.1
linux-image-nvidia-64k-hwe-22.04 (Ubuntu package) - update to 6.8.0-1017.19~22.04.1
linux-image-nvidia-6.8 (Ubuntu package) - update to 6.8.0-1017.19~22.04.1
linux-image-6.8.0-1017-gcp (Ubuntu package) - update to 6.8.0-1017.19~22.04.1
linux-image-nvidia-64k-6.8 (Ubuntu package) - update to 6.8.0-1017.19~22.04.1
linux-image-nvidia-hwe-22.04 (Ubuntu package) - update to 6.8.0-1017.19~22.04.1
linux-image-6.8.0-1017-azure-fde (Ubuntu package) - update to 6.8.0-1017.20~22.04.1
linux-image-6.8.0-1017-azure (Ubuntu package) - update to 6.8.0-1017.20~22.04.1
linux-image-aws (Ubuntu package) - addressed in versions 6.8.0-1018.19~22.04.1, 6.8.0-1018.20
linux-image-6.8.0-1018-aws (Ubuntu package) - addressed in versions 6.8.0-1018.19~22.04.1, 6.8.0-1018.20

• https://git.kernel.org/stable/c/92cbbe7759193e3418f38d0d73f8fe125312c58b
• https://git.kernel.org/stable/c/9a0c28efeec6383ef22e97437616b920e7320b67
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.67

• Use-after-free in Linux kernel ethernet renesas driver
• Ubuntu update for linux
• Ubuntu update for linux-azure-6.8
• Ubuntu update for linux-azure
• Ubuntu update for linux-nvidia
• Ubuntu update for linux-aws
• Ubuntu update for linux-oem-6.8
• Ubuntu update for linux-raspi
• Ubuntu update for linux-gke
• Ubuntu update for linux-lowlatency
• Ubuntu update for linux-gkeop