Resource management error in Linux kernel - CVE-2024-50032

Vulnerability identifier: #VU99134

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-2024-50032

CWE-ID: CWE-399

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The vulnerability exists due to resource management error within the kernel/rcu/tree_nocb.h. A local user can perform a denial of service (DoS) attack.

Linux kernel
Ubuntu
linux-image-6.8.1-1018-realtime (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-generic-lpae (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-oem-22.04 (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-6.8.0-56-generic-64k (Ubuntu package)
linux-image-lowlatency-64k (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-6.8.0-56-lowlatency-64k (Ubuntu package)
linux-image-6.8.0-56-lowlatency (Ubuntu package)
linux-image-6.8.0-56-generic (Ubuntu package)
linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package)
linux-image-lowlatency-hwe-22.04 (Ubuntu package)
linux-image-6.8.0-1008-gkeop (Ubuntu package)
linux-image-gkeop-6.8 (Ubuntu package)
linux-image-gkeop (Ubuntu package)
linux-image-6.8.0-1021-gke (Ubuntu package)
linux-image-gke (Ubuntu package)
linux-image-oracle-64k-lts-24.04 (Ubuntu package)
linux-image-6.8.0-1022-oracle (Ubuntu package)
linux-image-6.8.0-1022-oracle-64k (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-oracle-64k (Ubuntu package)
linux-image-oracle-lts-24.04 (Ubuntu package)
linux-image-6.8.0-1024-oem (Ubuntu package)
linux-image-oem-24.04 (Ubuntu package)
linux-image-oem-24.04a (Ubuntu package)
linux-image-nvidia (Ubuntu package)
linux-image-nvidia-64k (Ubuntu package)
linux-image-6.8.0-1024-nvidia (Ubuntu package)
linux-image-6.8.0-1024-nvidia-64k (Ubuntu package)
linux-image-nvidia-lowlatency (Ubuntu package)
linux-image-nvidia-lowlatency-64k (Ubuntu package)
linux-image-6.8.0-1024-nvidia-lowlatency-64k (Ubuntu package)
linux-image-6.8.0-1024-nvidia-lowlatency (Ubuntu package)
linux-image-nvidia-6.8 (Ubuntu package)
linux-image-nvidia-64k-6.8 (Ubuntu package)
linux-image-nvidia-64k-hwe-22.04 (Ubuntu package)
linux-image-nvidia-hwe-22.04 (Ubuntu package)
linux-image-aws-lts-24.04 (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-6.8.0-1025-aws (Ubuntu package)
linux-image-gcp-lts-24.04 (Ubuntu package)
linux-image-gcp-64k-lts-24.04 (Ubuntu package)
linux-image-gcp-64k (Ubuntu package)
linux-image-gcp (Ubuntu package)
linux-image-6.8.0-1026-gcp-64k (Ubuntu package)
linux-image-6.8.0-1026-gcp (Ubuntu package)
linux-image-6.8.0-1027-aws (Ubuntu package)

Install update from vendor's website.

Linux kernel - addressed in versions 6.6.57, 6.11.4, 6.12
linux-image-6.8.1-1018-realtime (Ubuntu package) - update to linux-image-realtime
linux-image-kvm (Ubuntu package) - update to 6.8.0-56.58
linux-image-generic-lpae (Ubuntu package) - update to 6.8.0-56.58
linux-image-generic-64k (Ubuntu package) - update to 6.8.0-56.58
linux-image-generic (Ubuntu package) - update to 6.8.0-56.58
linux-image-oem-22.04 (Ubuntu package) - update to 6.8.0-56.58
linux-image-virtual (Ubuntu package) - update to 6.8.0-56.58
linux-image-6.8.0-56-generic-64k (Ubuntu package) - update to 6.8.0-56.58+1
linux-image-lowlatency-64k (Ubuntu package) - update to 6.8.0-56.58.1
linux-image-lowlatency (Ubuntu package) - update to 6.8.0-56.58.1
linux-image-6.8.0-56-lowlatency-64k (Ubuntu package) - addressed in versions 6.8.0-56.58.1, 6.8.0-56.58.1~22.04.1
linux-image-6.8.0-56-lowlatency (Ubuntu package) - addressed in versions 6.8.0-56.58.1, 6.8.0-56.58.1~22.04.1
linux-image-6.8.0-56-generic (Ubuntu package) - update to 6.8.0-56.58+1
linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package) - update to 6.8.0-56.58.1~22.04.1
linux-image-lowlatency-hwe-22.04 (Ubuntu package) - update to 6.8.0-56.58.1~22.04.1
linux-image-6.8.0-1008-gkeop (Ubuntu package) - update to 6.8.0-1008.10
linux-image-gkeop-6.8 (Ubuntu package) - update to 6.8.0-1008.10
linux-image-gkeop (Ubuntu package) - update to 6.8.0-1008.10
linux-image-6.8.0-1021-gke (Ubuntu package) - update to 6.8.0-1021.25
linux-image-gke (Ubuntu package) - update to 6.8.0-1021.25
linux-image-oracle-64k-lts-24.04 (Ubuntu package) - update to 6.8.0-1022.23
linux-image-6.8.0-1022-oracle (Ubuntu package) - addressed in versions 6.8.0-1022.23, 6.8.0-1022.23~22.04.1
linux-image-6.8.0-1022-oracle-64k (Ubuntu package) - addressed in versions 6.8.0-1022.23, 6.8.0-1022.23~22.04.1
linux-image-oracle (Ubuntu package) - addressed in versions 6.8.0-1022.23, 6.8.0-1022.23~22.04.1
linux-image-oracle-64k (Ubuntu package) - addressed in versions 6.8.0-1022.23, 6.8.0-1022.23~22.04.1
linux-image-oracle-lts-24.04 (Ubuntu package) - update to 6.8.0-1022.23
linux-image-6.8.0-1024-oem (Ubuntu package) - update to 6.8.0-1024.24
linux-image-oem-24.04 (Ubuntu package) - update to 6.8.0-1024.24
linux-image-oem-24.04a (Ubuntu package) - update to 6.8.0-1024.24
linux-image-nvidia (Ubuntu package) - update to 6.8.0-1024.27
linux-image-nvidia-64k (Ubuntu package) - update to 6.8.0-1024.27
linux-image-6.8.0-1024-nvidia (Ubuntu package) - addressed in versions 6.8.0-1024.27, 6.8.0-1024.27~22.04.1
linux-image-6.8.0-1024-nvidia-64k (Ubuntu package) - addressed in versions 6.8.0-1024.27, 6.8.0-1024.27~22.04.1
linux-image-nvidia-lowlatency (Ubuntu package) - update to 6.8.0-1024.27.1
linux-image-nvidia-lowlatency-64k (Ubuntu package) - update to 6.8.0-1024.27.1
linux-image-6.8.0-1024-nvidia-lowlatency-64k (Ubuntu package) - update to 6.8.0-1024.27.1
linux-image-6.8.0-1024-nvidia-lowlatency (Ubuntu package) - update to 6.8.0-1024.27.1
linux-image-nvidia-6.8 (Ubuntu package) - update to 6.8.0-1024.27~22.04.1
linux-image-nvidia-64k-6.8 (Ubuntu package) - update to 6.8.0-1024.27~22.04.1
linux-image-nvidia-64k-hwe-22.04 (Ubuntu package) - update to 6.8.0-1024.27~22.04.1
linux-image-nvidia-hwe-22.04 (Ubuntu package) - update to 6.8.0-1024.27~22.04.1
linux-image-aws-lts-24.04 (Ubuntu package) - update to 6.8.0-1025.27
linux-image-aws (Ubuntu package) - addressed in versions 6.8.0-1025.27, 6.8.0-1027.29~22.04.1
linux-image-6.8.0-1025-aws (Ubuntu package) - update to 6.8.0-1025.27
linux-image-gcp-lts-24.04 (Ubuntu package) - update to 6.8.0-1026.28
linux-image-gcp-64k-lts-24.04 (Ubuntu package) - update to 6.8.0-1026.28
linux-image-gcp-64k (Ubuntu package) - addressed in versions 6.8.0-1026.28, 6.8.0-1026.28~22.04.1
linux-image-gcp (Ubuntu package) - addressed in versions 6.8.0-1026.28, 6.8.0-1026.28~22.04.1
linux-image-6.8.0-1026-gcp-64k (Ubuntu package) - addressed in versions 6.8.0-1026.28, 6.8.0-1026.28~22.04.1
linux-image-6.8.0-1026-gcp (Ubuntu package) - addressed in versions 6.8.0-1026.28, 6.8.0-1026.28~22.04.1
linux-image-6.8.0-1027-aws (Ubuntu package) - update to 6.8.0-1027.29~22.04.1

• https://git.kernel.org/stable/c/84a5feebba10354c683983f5f1372a144225e4c2
• https://git.kernel.org/stable/c/e66b1e01f2eb3209d08122572f41f7838b79540d
• https://git.kernel.org/stable/c/f7345ccc62a4b880cf76458db5f320725f28e400
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.4
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.57

• Resource management error in Linux kernel rcu
• Ubuntu update for linux-realtime
• Ubuntu update for linux-oem-6.8
• Ubuntu update for linux
• Ubuntu update for linux-aws-6.8