Ubuntu update for linux

Published: 2024-12-17

Risk	Low
Patch available	YES
Number of vulnerabilities	3
CVE-ID	CVE-2024-50264 CVE-2024-49967 CVE-2024-53057
CWE-ID	CWE-416 CWE-20
Exploitation vector	Local
Public exploit	N/A
Vulnerable software	Ubuntu Operating systems & Components / Operating system linux-image-oracle-edge (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-nvidia-hwe-22.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-nvidia-64k-hwe-22.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-nvidia-64k-6.8 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-nvidia-6.8 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-virtual-hwe-24.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-virtual (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-raspi (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-oracle-64k (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-oracle (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-oem-24.04a (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-oem-24.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-nvidia-lowlatency-64k (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-nvidia-lowlatency (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-nvidia-64k (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-nvidia (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-kvm (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-ibm-lts-24.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-ibm-classic (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-ibm (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-gkeop-6.8 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-gkeop (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-gke (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-generic-lpae (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-generic-hwe-24.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-generic-64k-hwe-24.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-generic-64k (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-generic (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-gcp (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-aws (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-51-generic-64k (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-51-generic (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1021-aws (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1020-nvidia-lowlatency-64k (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1020-nvidia-lowlatency (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1020-nvidia-64k (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1020-nvidia (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1020-gcp (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1019-oem (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1018-oracle-64k (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1018-oracle (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1018-ibm (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1017-raspi (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1016-gke (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1003-gkeop (Ubuntu package) Operating systems & Components / Operating system package or component
Vendor	Canonical Ltd.

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU100612

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-2024-50264

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 virtio_transport_destruct() function in net/vmw_vsock/virtio_transport_common.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-oracle-edge (Ubuntu package): before 6.8.0-1018.19~22.04.1

linux-image-nvidia-hwe-22.04 (Ubuntu package): before 6.8.0-1020.22~22.04.1

linux-image-nvidia-64k-hwe-22.04 (Ubuntu package): before 6.8.0-1020.22~22.04.1

linux-image-nvidia-64k-6.8 (Ubuntu package): before 6.8.0-1020.22~22.04.1

linux-image-nvidia-6.8 (Ubuntu package): before 6.8.0-1020.22~22.04.1

linux-image-virtual-hwe-24.04 (Ubuntu package): before 6.8.0-51.52

linux-image-virtual (Ubuntu package): before 6.8.0-51.52

linux-image-raspi (Ubuntu package): before 6.8.0-1017.19

linux-image-oracle-64k (Ubuntu package): before 6.8.0-1018.19~22.04.1

linux-image-oracle (Ubuntu package): before 6.8.0-1018.19~22.04.1

linux-image-oem-24.04a (Ubuntu package): before 6.8.0-1019.19

linux-image-oem-24.04 (Ubuntu package): before 6.8.0-1019.19

linux-image-nvidia-lowlatency-64k (Ubuntu package): before 6.8.0-1020.22.1

linux-image-nvidia-lowlatency (Ubuntu package): before 6.8.0-1020.22.1

linux-image-nvidia-64k (Ubuntu package): before 6.8.0-1020.22

linux-image-nvidia (Ubuntu package): before 6.8.0-1020.22

linux-image-kvm (Ubuntu package): before 6.8.0-51.52

linux-image-ibm-lts-24.04 (Ubuntu package): before 6.8.0-1018.18

linux-image-ibm-classic (Ubuntu package): before 6.8.0-1018.18

linux-image-ibm (Ubuntu package): before 6.8.0-1018.18

linux-image-gkeop-6.8 (Ubuntu package): before 6.8.0-1003.5

linux-image-gkeop (Ubuntu package): before 6.8.0-1003.5

linux-image-gke (Ubuntu package): before 6.8.0-1016.20

linux-image-generic-lpae (Ubuntu package): before 6.8.0-51.52

linux-image-generic-hwe-24.04 (Ubuntu package): before 6.8.0-51.52

linux-image-generic-64k-hwe-24.04 (Ubuntu package): before 6.8.0-51.52

linux-image-generic-64k (Ubuntu package): before 6.8.0-51.52

linux-image-generic (Ubuntu package): before 6.8.0-51.52

linux-image-gcp (Ubuntu package): before 6.8.0-1020.22~22.04.1

linux-image-aws (Ubuntu package): before 6.8.0-1021.23~22.04.1

linux-image-6.8.0-51-generic-64k (Ubuntu package): before 6.8.0-51.52

linux-image-6.8.0-51-generic (Ubuntu package): before 6.8.0-51.52

linux-image-6.8.0-1021-aws (Ubuntu package): before 6.8.0-1021.23~22.04.1

linux-image-6.8.0-1020-nvidia-lowlatency-64k (Ubuntu package): before 6.8.0-1020.22.1

linux-image-6.8.0-1020-nvidia-lowlatency (Ubuntu package): before 6.8.0-1020.22.1

linux-image-6.8.0-1020-nvidia-64k (Ubuntu package): before 6.8.0-1020.22~22.04.1

linux-image-6.8.0-1020-nvidia (Ubuntu package): before 6.8.0-1020.22~22.04.1

linux-image-6.8.0-1020-gcp (Ubuntu package): before 6.8.0-1020.22~22.04.1

linux-image-6.8.0-1019-oem (Ubuntu package): before 6.8.0-1019.19

linux-image-6.8.0-1018-oracle-64k (Ubuntu package): before 6.8.0-1018.19~22.04.1

linux-image-6.8.0-1018-oracle (Ubuntu package): before 6.8.0-1018.19~22.04.1

linux-image-6.8.0-1018-ibm (Ubuntu package): before 6.8.0-1018.18

linux-image-6.8.0-1017-raspi (Ubuntu package): before 6.8.0-1017.19

linux-image-6.8.0-1016-gke (Ubuntu package): before 6.8.0-1016.20

linux-image-6.8.0-1003-gkeop (Ubuntu package): before 6.8.0-1003.5

CPE2.3

External links

https://ubuntu.com/security/notices/USN-7167-1

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.

2) Input validation error

EUVDB-ID: #VU99223

Risk: Low

CVSSv4.0: 4.3 [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/E:U/U:Clear]

CVE-ID: CVE-2024-49967

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation within the do_split() function in fs/ext4/namei.c. A local user can perform a denial of service (DoS) attack.