Ubuntu update for linux

1) Use-after-free

EUVDB-ID: #VU102032

Risk: Low

CVSSv4.0: 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-2024-56653

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error within the btmtk_process_coredump() function in drivers/bluetooth/btmtk.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 22.04 - 24.04

linux-image-virtual-hwe-22.04 (Ubuntu package): before 6.8.0-59.61~22.04.1

linux-image-oem-22.04d (Ubuntu package): before 6.8.0-59.61~22.04.1

linux-image-oem-22.04c (Ubuntu package): before 6.8.0-59.61~22.04.1

linux-image-oem-22.04b (Ubuntu package): before 6.8.0-59.61~22.04.1

linux-image-oem-22.04a (Ubuntu package): before 6.8.0-59.61~22.04.1

linux-image-oem-22.04 (Ubuntu package): before 6.8.0-59.61~22.04.1

linux-image-nvidia-hwe-22.04 (Ubuntu package): before 6.8.0-1027.30~22.04.1

linux-image-nvidia-64k-hwe-22.04 (Ubuntu package): before 6.8.0-1027.30~22.04.1

linux-image-nvidia-64k-6.8 (Ubuntu package): before 6.8.0-1027.30~22.04.1

linux-image-nvidia-6.8 (Ubuntu package): before 6.8.0-1027.30~22.04.1

linux-image-lowlatency-hwe-22.04 (Ubuntu package): before 6.8.0-59.61.1~22.04.1

linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package): before 6.8.0-59.61.1~22.04.1

linux-image-generic-hwe-22.04 (Ubuntu package): before 6.8.0-59.61~22.04.1

linux-image-generic-64k-hwe-22.04 (Ubuntu package): before 6.8.0-59.61~22.04.1

linux-image-gcp-64k (Ubuntu package): before 6.8.0-1029.31~22.04.1

linux-image-gcp (Ubuntu package): before 6.8.0-1029.31~22.04.1

linux-image-virtual (Ubuntu package): before 6.8.0-59.61

linux-image-oracle-lts-24.04 (Ubuntu package): before 6.8.0-1025.26

linux-image-oracle-64k-lts-24.04 (Ubuntu package): before 6.8.0-1025.26

linux-image-oracle-64k (Ubuntu package): before 6.8.0-1025.26~22.04.1

linux-image-oracle (Ubuntu package): before 6.8.0-1025.26~22.04.1

linux-image-oem-24.04a (Ubuntu package): before 6.8.0-1027.27

linux-image-oem-24.04 (Ubuntu package): before 6.8.0-1027.27

linux-image-nvidia-lowlatency-64k (Ubuntu package): before 6.8.0-1027.30.1

linux-image-nvidia-lowlatency (Ubuntu package): before 6.8.0-1027.30.1

linux-image-nvidia-64k (Ubuntu package): before 6.8.0-1027.30

linux-image-nvidia (Ubuntu package): before 6.8.0-1027.30

linux-image-lowlatency-64k (Ubuntu package): before 6.8.0-59.61.1

linux-image-lowlatency (Ubuntu package): before 6.8.0-59.61.1

linux-image-kvm (Ubuntu package): before 6.8.0-59.61

linux-image-ibm-lts-24.04 (Ubuntu package): before 6.8.0-1025.25

linux-image-ibm-classic (Ubuntu package): before 6.8.0-1025.25

linux-image-ibm (Ubuntu package): before 6.8.0-1025.25

linux-image-gkeop-6.8 (Ubuntu package): before 6.8.0-1011.13

linux-image-gkeop (Ubuntu package): before 6.8.0-1011.13

linux-image-gke (Ubuntu package): before 6.8.0-1024.28

linux-image-generic-lpae (Ubuntu package): before 6.8.0-59.61

linux-image-generic-64k (Ubuntu package): before 6.8.0-59.61

linux-image-generic (Ubuntu package): before 6.8.0-59.61

linux-image-gcp-lts-24.04 (Ubuntu package): before 6.8.0-1029.31

linux-image-gcp-64k-lts-24.04 (Ubuntu package): before 6.8.0-1029.31

linux-image-aws-lts-24.04 (Ubuntu package): before 6.8.0-1028.30

linux-image-aws (Ubuntu package): before 6.8.0-1028.30~22.04.1

linux-image-6.8.0-59-lowlatency-64k (Ubuntu package): before 6.8.0-59.61.1~22.04.1

linux-image-6.8.0-59-lowlatency (Ubuntu package): before 6.8.0-59.61.1~22.04.1

linux-image-6.8.0-59-generic-64k (Ubuntu package): before 6.8.0-59.61~22.04.1

linux-image-6.8.0-59-generic (Ubuntu package): before 6.8.0-59.61~22.04.1

linux-image-6.8.0-1029-gcp-64k (Ubuntu package): before 6.8.0-1029.31~22.04.1

linux-image-6.8.0-1029-gcp (Ubuntu package): before 6.8.0-1029.31~22.04.1

linux-image-6.8.0-1028-aws (Ubuntu package): before 6.8.0-1028.30~22.04.1

linux-image-6.8.0-1027-oem (Ubuntu package): before 6.8.0-1027.27

linux-image-6.8.0-1027-nvidia-lowlatency-64k (Ubuntu package): before 6.8.0-1027.30.1

linux-image-6.8.0-1027-nvidia-lowlatency (Ubuntu package): before 6.8.0-1027.30.1

linux-image-6.8.0-1027-nvidia-64k (Ubuntu package): before 6.8.0-1027.30~22.04.1

linux-image-6.8.0-1027-nvidia (Ubuntu package): before 6.8.0-1027.30~22.04.1

linux-image-6.8.0-1025-oracle-64k (Ubuntu package): before 6.8.0-1025.26~22.04.1

linux-image-6.8.0-1025-oracle (Ubuntu package): before 6.8.0-1025.26~22.04.1

linux-image-6.8.0-1025-ibm (Ubuntu package): before 6.8.0-1025.25

linux-image-6.8.0-1024-gke (Ubuntu package): before 6.8.0-1024.28

linux-image-6.8.0-1011-gkeop (Ubuntu package): before 6.8.0-1011.13

CPE2.3

• cpe:2.3:o:canonical:ubuntu:22.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:24.04:*:*:*:*:*:*:*
• cpe:2.3:a:canonical:linux-image-virtual-hwe-22.04_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-oem-22.04d_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-oem-22.04c_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-oem-22.04b_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-oem-22.04a_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-oem-22.04_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-nvidia-hwe-22.04_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-nvidia-64k-hwe-22.04_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-nvidia-64k-6.8_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-nvidia-6.8_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-lowlatency-hwe-22.04_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-lowlatency-64k-hwe-22.04_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-generic-hwe-22.04_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-generic-64k-hwe-22.04_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-gcp-64k_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-gcp_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-virtual_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-oracle-lts-24_04_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-oracle-64k-lts-24_04_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-oracle-64k_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-oracle_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-oem-24.04a_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-oem-24.04_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-nvidia-lowlatency-64k_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-nvidia-lowlatency_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-nvidia-64k_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-nvidia_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-lowlatency-64k_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-lowlatency_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-kvm_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-ibm-lts-24.04_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-ibm-classic_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-ibm_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-gkeop-6_8_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-gkeop_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-gke_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-generic-lpae_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-generic-64k_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-generic_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-gcp-lts-24_04_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-gcp-64k-lts-24_04_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-aws-lts-24_04_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-aws_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-6_8_0-59-lowlatency-64k_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-6_8_0-59-lowlatency_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-6_8_0-59-generic-64k_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-6_8_0-59-generic_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-6_8_0-1029-gcp-64k_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-6_8_0-1029-gcp_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-6_8_0-1028-aws_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-6_8_0-1027-oem_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-6_8_0-1027-nvidia-lowlatency-64k_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-6_8_0-1027-nvidia-lowlatency_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-6_8_0-1027-nvidia-64k_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-6_8_0-1027-nvidia_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-6_8_0-1025-oracle-64k_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-6_8_0-1025-oracle_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-6_8_0-1025-ibm_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-6_8_0-1024-gke_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:linux-image-6_8_0-1011-gkeop_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-7492-1

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.