Permissions, Privileges, and Access Controls in Linux kernel - CVE-2024-35894

Vulnerability identifier: #VU93428

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-2024-35894

CWE-ID: CWE-264

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 improper access restrictions in mptcp_set_rcvlowat() function in net/mptcp/sockopt.c, which allow bpf accessing mptcp-level proto_ops from a tcp subflow scope. A local user can perform a denial of service (DoS) attack.

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

Install updates from vendor's website.

Linux kernel - addressed in versions 6.6.45, 6.8.5
linux-image-6.8.0-38-generic-64k (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-generic (Ubuntu package) - update to 6.8.0-38.38
linux-image-kvm (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-generic-hwe-24.04 (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-generic-lpae (Ubuntu package) - update to 6.8.0-38.38
linux-image-6.8.0-38-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-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-6.8.0-1006-gke (Ubuntu package) - update to 6.8.0-1006.9
linux-image-gke (Ubuntu package) - update to 6.8.0-1006.9
linux-image-6.8.0-1007-raspi (Ubuntu package) - update to 6.8.0-1007.7
linux-image-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-ibm-lts-24.04 (Ubuntu package) - update to 6.8.0-1008.8
linux-image-ibm (Ubuntu package) - update to 6.8.0-1008.8
linux-image-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-6.8.0-1008-oracle-64k (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-oem-24.04a (Ubuntu package) - update to 6.8.0-1008.8
linux-image-6.8.0-1008-oracle (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-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-6.8.0-1009-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-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-6.8.0-1010-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-azure (Ubuntu package) - update to 6.8.0-1010.10
linux-image-azure-fde (Ubuntu package) - update to 6.8.0-1010.10
linux-image-6.8.0-1010-gcp (Ubuntu package) - update to 6.8.0-1010.11
linux-image-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
IBM Security Guardium - addressed in versions 12.0p31, 12.0p106

• https://git.kernel.org/stable/c/3ffb1ab698376f09cc33101c07c1be229389fe29
• https://git.kernel.org/stable/c/fcf4692fa39e86a590c14a4af2de704e1d20a3b5
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.45
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.5

• Denial of service in Linux kernel bpf
• Ubuntu update for linux
• Ubuntu update for linux-gke
• Ubuntu update for linux-aws
• Ubuntu update for linux-oracle
• Multiple vulnerabilities in IBM Security Guardium