Use-after-free in Linux kernel - CVE-2024-47711

Vulnerability identifier: #VU98896

CSH Severity: Low

CVSS v4: 8.5 [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]

CVE-ID: CVE-2024-47711

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 TEST_F() function in tools/testing/selftests/net/af_unix/msg_oob.c, within the manage_oob() and unix_ioctl() functions in net/unix/af_unix.c. A local user can escalate privileges on the system.

Linux kernel
Ubuntu
linux-image-6.8.1-1018-realtime (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-generic-lpae (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-oem-22.04 (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-lowlatency-64k (Ubuntu package)
linux-image-6.8.0-56-generic (Ubuntu package)
linux-image-6.8.0-56-generic-64k (Ubuntu package)
linux-image-6.8.0-56-lowlatency (Ubuntu package)
linux-image-6.8.0-56-lowlatency-64k (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-lowlatency-hwe-22.04 (Ubuntu package)
linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package)
linux-image-virtual-hwe-22.04 (Ubuntu package)
linux-image-oem-22.04d (Ubuntu package)
linux-image-oem-22.04c (Ubuntu package)
linux-image-oem-22.04b (Ubuntu package)
linux-image-oem-22.04a (Ubuntu package)
linux-image-generic-hwe-22.04 (Ubuntu package)
linux-image-generic-64k-hwe-22.04 (Ubuntu package)
linux-image-6.8.0-57-generic-64k (Ubuntu package)
linux-image-6.8.0-57-generic (Ubuntu package)
linux-image-gkeop (Ubuntu package)
linux-image-gkeop-6.8 (Ubuntu package)
linux-image-6.8.0-1008-gkeop (Ubuntu package)
linux-image-azure-nvidia (Ubuntu package)
linux-image-6.8.0-1014-azure-nvidia (Ubuntu package)
linux-image-gke (Ubuntu package)
linux-image-6.8.0-1021-gke (Ubuntu package)
linux-image-6.8.0-1022-ibm (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-ibm-classic (Ubuntu package)
linux-image-ibm-lts-24.04 (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-oracle-lts-24.04 (Ubuntu package)
linux-image-oracle-64k-lts-24.04 (Ubuntu package)
linux-image-oracle-64k (Ubuntu package)
linux-image-6.8.0-1022-oracle-64k (Ubuntu package)
linux-image-6.8.0-1022-oracle (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-6.8.0-1024-nvidia (Ubuntu package)
linux-image-6.8.0-1024-nvidia-64k (Ubuntu package)
linux-image-nvidia-64k (Ubuntu package)
linux-image-nvidia (Ubuntu package)
linux-image-6.8.0-1024-nvidia-lowlatency (Ubuntu package)
linux-image-6.8.0-1024-nvidia-lowlatency-64k (Ubuntu package)
linux-image-nvidia-lowlatency-64k (Ubuntu package)
linux-image-nvidia-lowlatency (Ubuntu package)
linux-image-nvidia-64k-hwe-22.04 (Ubuntu package)
linux-image-nvidia-hwe-22.04 (Ubuntu package)
linux-image-nvidia-6.8 (Ubuntu package)
linux-image-nvidia-64k-6.8 (Ubuntu package)
linux-image-6.8.0-1025-aws (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-aws-lts-24.04 (Ubuntu package)
linux-image-azure-lts-24.04 (Ubuntu package)
linux-image-azure-fde-lts-24.04 (Ubuntu package)
linux-image-azure (Ubuntu package)
linux-image-6.8.0-1025-azure-fde (Ubuntu package)
linux-image-6.8.0-1025-azure (Ubuntu package)
linux-image-azure-fde (Ubuntu package)
linux-image-gcp (Ubuntu package)
linux-image-gcp-64k (Ubuntu package)
linux-image-gcp-lts-24.04 (Ubuntu package)
linux-image-6.8.0-1026-gcp-64k (Ubuntu package)
linux-image-6.8.0-1026-gcp (Ubuntu package)
linux-image-gcp-64k-lts-24.04 (Ubuntu package)
linux-image-6.8.0-1027-aws (Ubuntu package)
linux-image-6.11.0-18-generic (Ubuntu package)
linux-image-6.11.0-18-generic-64k (Ubuntu package)
linux-image-virtual-hwe-24.04 (Ubuntu package)
linux-image-generic-64k-hwe-24.04 (Ubuntu package)
linux-image-generic-hwe-24.04 (Ubuntu package)
linux-image-6.11.0-1005-realtime (Ubuntu package)
linux-image-realtime (Ubuntu package)
linux-image-realtime-hwe-24.04 (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-6.11.0-1008-raspi (Ubuntu package)
linux-image-6.11.0-1009-gcp (Ubuntu package)
linux-image-6.11.0-1009-azure-fde (Ubuntu package)
linux-image-6.11.0-1009-azure (Ubuntu package)
linux-image-6.11.0-1009-aws (Ubuntu package)
linux-image-6.11.0-1010-lowlatency (Ubuntu package)
linux-image-6.11.0-1010-lowlatency-64k (Ubuntu package)
linux-image-6.11.0-1011-oracle (Ubuntu package)
linux-image-6.11.0-1011-oracle-64k (Ubuntu package)
linux-image-oem-24.04b (Ubuntu package)
linux-image-6.11.0-1015-oem (Ubuntu package)

Install update from vendor's website.

Linux kernel - addressed in versions 6.11.2, 6.12
linux-image-6.8.1-1018-realtime (Ubuntu package) - update to linux-image-realtime
linux-image-generic (Ubuntu package) - addressed in versions 6.8.0-56.58, 6.11.0-18.18
linux-image-generic-64k (Ubuntu package) - addressed in versions 6.8.0-56.58, 6.11.0-18.18
linux-image-generic-lpae (Ubuntu package) - update to 6.8.0-56.58
linux-image-kvm (Ubuntu package) - update to 6.8.0-56.58
linux-image-oem-22.04 (Ubuntu package) - addressed in versions 6.8.0-56.58, 6.8.0-57.59~22.04.1
linux-image-virtual (Ubuntu package) - addressed in versions 6.8.0-56.58, 6.11.0-18.18
linux-image-lowlatency-64k (Ubuntu package) - addressed in versions 6.8.0-56.58.1, 6.11.0-1010.11
linux-image-6.8.0-56-generic (Ubuntu package) - update to 6.8.0-56.58+1
linux-image-6.8.0-56-generic-64k (Ubuntu package) - update to 6.8.0-56.58+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-lowlatency-64k (Ubuntu package) - addressed in versions 6.8.0-56.58.1, 6.8.0-56.58.1~22.04.1
linux-image-lowlatency (Ubuntu package) - addressed in versions 6.8.0-56.58.1, 6.11.0-1010.11
linux-image-lowlatency-hwe-22.04 (Ubuntu package) - update to 6.8.0-56.58.1~22.04.1
linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package) - update to 6.8.0-56.58.1~22.04.1
linux-image-virtual-hwe-22.04 (Ubuntu package) - update to 6.8.0-57.59~22.04.1
linux-image-oem-22.04d (Ubuntu package) - update to 6.8.0-57.59~22.04.1
linux-image-oem-22.04c (Ubuntu package) - update to 6.8.0-57.59~22.04.1
linux-image-oem-22.04b (Ubuntu package) - update to 6.8.0-57.59~22.04.1
linux-image-oem-22.04a (Ubuntu package) - update to 6.8.0-57.59~22.04.1
linux-image-generic-hwe-22.04 (Ubuntu package) - update to 6.8.0-57.59~22.04.1
linux-image-generic-64k-hwe-22.04 (Ubuntu package) - update to 6.8.0-57.59~22.04.1
linux-image-6.8.0-57-generic-64k (Ubuntu package) - update to 6.8.0-57.59~22.04.1
linux-image-6.8.0-57-generic (Ubuntu package) - update to 6.8.0-57.59~22.04.1
linux-image-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-6.8.0-1008-gkeop (Ubuntu package) - update to 6.8.0-1008.10
linux-image-azure-nvidia (Ubuntu package) - update to 6.8.0-1014.15
linux-image-6.8.0-1014-azure-nvidia (Ubuntu package) - update to 6.8.0-1014.15
linux-image-gke (Ubuntu package) - update to 6.8.0-1021.25
linux-image-6.8.0-1021-gke (Ubuntu package) - update to 6.8.0-1021.25
linux-image-6.8.0-1022-ibm (Ubuntu package) - update to 6.8.0-1022.22
linux-image-ibm (Ubuntu package) - update to 6.8.0-1022.22
linux-image-ibm-classic (Ubuntu package) - update to 6.8.0-1022.22
linux-image-ibm-lts-24.04 (Ubuntu package) - update to 6.8.0-1022.22
linux-image-oracle (Ubuntu package) - addressed in versions 6.8.0-1022.23, 6.8.0-1022.23~22.04.1, 6.11.0-1011.12
linux-image-oracle-lts-24.04 (Ubuntu package) - update to 6.8.0-1022.23
linux-image-oracle-64k-lts-24.04 (Ubuntu package) - update to 6.8.0-1022.23
linux-image-oracle-64k (Ubuntu package) - addressed in versions 6.8.0-1022.23, 6.8.0-1022.23~22.04.1, 6.11.0-1011.12
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-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-6.8.0-1024-oem (Ubuntu package) - update to 6.8.0-1024.24
linux-image-oem-24.04 (Ubuntu package) - addressed in versions 6.8.0-1024.24, 6.11.0-18.18
linux-image-oem-24.04a (Ubuntu package) - addressed in versions 6.8.0-1024.24, 6.11.0-18.18
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-64k (Ubuntu package) - update to 6.8.0-1024.27
linux-image-nvidia (Ubuntu package) - update to 6.8.0-1024.27
linux-image-6.8.0-1024-nvidia-lowlatency (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-nvidia-lowlatency-64k (Ubuntu package) - update to 6.8.0-1024.27.1
linux-image-nvidia-lowlatency (Ubuntu package) - update to 6.8.0-1024.27.1
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-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-6.8.0-1025-aws (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, 6.11.0-1009.10
linux-image-aws-lts-24.04 (Ubuntu package) - update to 6.8.0-1025.27
linux-image-azure-lts-24.04 (Ubuntu package) - update to 6.8.0-1025.30
linux-image-azure-fde-lts-24.04 (Ubuntu package) - update to 6.8.0-1025.30
linux-image-azure (Ubuntu package) - addressed in versions 6.8.0-1025.30~22.04.1, 6.11.0-1009.9
linux-image-6.8.0-1025-azure-fde (Ubuntu package) - update to 6.8.0-1025.30~22.04.1
linux-image-6.8.0-1025-azure (Ubuntu package) - update to 6.8.0-1025.30~22.04.1
linux-image-azure-fde (Ubuntu package) - addressed in versions 6.8.0-1025.30~22.04.1, 6.11.0-1009.9
linux-image-gcp (Ubuntu package) - addressed in versions 6.8.0-1026.28, 6.8.0-1026.28~22.04.1, 6.11.0-1009.9
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-lts-24.04 (Ubuntu package) - update to 6.8.0-1026.28
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-gcp-64k-lts-24.04 (Ubuntu package) - update to 6.8.0-1026.28
linux-image-6.8.0-1027-aws (Ubuntu package) - update to 6.8.0-1027.29~22.04.1
linux-image-6.11.0-18-generic (Ubuntu package) - update to 6.11.0-18.18
linux-image-6.11.0-18-generic-64k (Ubuntu package) - update to 6.11.0-18.18
linux-image-virtual-hwe-24.04 (Ubuntu package) - update to 6.11.0-18.18
linux-image-generic-64k-hwe-24.04 (Ubuntu package) - update to 6.11.0-18.18
linux-image-generic-hwe-24.04 (Ubuntu package) - update to 6.11.0-18.18
linux-image-6.11.0-1005-realtime (Ubuntu package) - update to 6.11.0-1005.5
linux-image-realtime (Ubuntu package) - update to 6.11.0-1005.5
linux-image-realtime-hwe-24.04 (Ubuntu package) - update to 6.11.0-1005.5
linux-image-raspi (Ubuntu package) - update to 6.11.0-1008.8
linux-image-6.11.0-1008-raspi (Ubuntu package) - update to 6.11.0-1008.8
linux-image-6.11.0-1009-gcp (Ubuntu package) - update to 6.11.0-1009.9
linux-image-6.11.0-1009-azure-fde (Ubuntu package) - update to 6.11.0-1009.9
linux-image-6.11.0-1009-azure (Ubuntu package) - update to 6.11.0-1009.9
linux-image-6.11.0-1009-aws (Ubuntu package) - update to 6.11.0-1009.10
linux-image-6.11.0-1010-lowlatency (Ubuntu package) - update to 6.11.0-1010.11
linux-image-6.11.0-1010-lowlatency-64k (Ubuntu package) - update to 6.11.0-1010.11
linux-image-6.11.0-1011-oracle (Ubuntu package) - update to 6.11.0-1011.12
linux-image-6.11.0-1011-oracle-64k (Ubuntu package) - update to 6.11.0-1011.12
linux-image-oem-24.04b (Ubuntu package) - update to 6.11.0-1015.15
linux-image-6.11.0-1015-oem (Ubuntu package) - update to 6.11.0-1015.15

• https://git.kernel.org/stable/c/4a7f9a2591a923bdde4bd7eac33490b6ae3b257c
• https://git.kernel.org/stable/c/5aa57d9f2d5311f19434d95b2a81610aa263e23b
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.2
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12

• Use-after-free in Linux kernel unix
• Ubuntu update for linux
• Ubuntu update for linux-aws
• Ubuntu update for linux-oem-6.11
• Ubuntu update for linux-realtime
• Ubuntu update for linux-oem-6.8
• Ubuntu update for linux-ibm
• Ubuntu update for linux
• Ubuntu update for linux-hwe-6.8
• Ubuntu update for linux-azure
• Ubuntu update for linux-azure-6.8
• Ubuntu update for linux-aws-6.8
• Ubuntu update for linux-azure-nvidia