Ubuntu update for linux

Published: 2024-11-21

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-46800 CVE-2024-43882
CWE-ID	CWE-416 CWE-667
Exploitation vector	Local
Public exploit	N/A
Vulnerable software	Ubuntu Operating systems & Components / Operating system linux-image-raspi (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-virtual-hwe-22.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-oem-22.04d (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-oem-22.04c (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-oem-22.04b (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-oem-22.04a (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-oem-22.04 (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-generic-hwe-22.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-generic-64k-hwe-22.04 (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-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-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-6.8.0-49-generic-64k (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-49-generic (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1019-aws (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1018-nvidia-lowlatency-64k (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1018-nvidia-lowlatency (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1018-nvidia-64k (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1018-nvidia (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1018-gcp (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1017-oem (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1016-oracle-64k (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1016-oracle (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1016-ibm (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1015-raspi (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.8.0-1014-gke (Ubuntu package) Operating systems & Components / Operating system package or component
Vendor	Canonical Ltd.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU97501

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-2024-46800

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 qdisc_enqueue() function in net/sched/sch_netem.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-raspi (Ubuntu package): before 6.8.0-1015.17

linux-image-virtual-hwe-22.04 (Ubuntu package): before 6.8.0-49.49~22.04.1

linux-image-oem-22.04d (Ubuntu package): before 6.8.0-49.49~22.04.1

linux-image-oem-22.04c (Ubuntu package): before 6.8.0-49.49~22.04.1

linux-image-oem-22.04b (Ubuntu package): before 6.8.0-49.49~22.04.1

linux-image-oem-22.04a (Ubuntu package): before 6.8.0-49.49~22.04.1

linux-image-oem-22.04 (Ubuntu package): before 6.8.0-49.49~22.04.1

linux-image-nvidia-hwe-22.04 (Ubuntu package): before 6.8.0-1018.20~22.04.1

linux-image-nvidia-64k-hwe-22.04 (Ubuntu package): before 6.8.0-1018.20~22.04.1

linux-image-nvidia-64k-6.8 (Ubuntu package): before 6.8.0-1018.20~22.04.1

linux-image-nvidia-6.8 (Ubuntu package): before 6.8.0-1018.20~22.04.1

linux-image-generic-hwe-22.04 (Ubuntu package): before 6.8.0-49.49~22.04.1

linux-image-generic-64k-hwe-22.04 (Ubuntu package): before 6.8.0-49.49~22.04.1

linux-image-virtual-hwe-24.04 (Ubuntu package): before 6.8.0-49.49

linux-image-virtual (Ubuntu package): before 6.8.0-49.49

linux-image-oracle-64k (Ubuntu package): before 6.8.0-1016.17

linux-image-oracle (Ubuntu package): before 6.8.0-1016.17

linux-image-oem-24.04a (Ubuntu package): before 6.8.0-1017.17

linux-image-oem-24.04 (Ubuntu package): before 6.8.0-1017.17

linux-image-nvidia-lowlatency-64k (Ubuntu package): before 6.8.0-1018.20.1

linux-image-nvidia-lowlatency (Ubuntu package): before 6.8.0-1018.20.1

linux-image-nvidia-64k (Ubuntu package): before 6.8.0-1018.20

linux-image-nvidia (Ubuntu package): before 6.8.0-1018.20

linux-image-kvm (Ubuntu package): before 6.8.0-49.49

linux-image-ibm-lts-24.04 (Ubuntu package): before 6.8.0-1016.16

linux-image-ibm-classic (Ubuntu package): before 6.8.0-1016.16

linux-image-ibm (Ubuntu package): before 6.8.0-1016.16

linux-image-gke (Ubuntu package): before 6.8.0-1014.18

linux-image-generic-lpae (Ubuntu package): before 6.8.0-49.49

linux-image-generic-hwe-24.04 (Ubuntu package): before 6.8.0-49.49

linux-image-generic-64k-hwe-24.04 (Ubuntu package): before 6.8.0-49.49

linux-image-generic-64k (Ubuntu package): before 6.8.0-49.49

linux-image-generic (Ubuntu package): before 6.8.0-49.49

linux-image-gcp (Ubuntu package): before 6.8.0-1018.20~22.04.1

linux-image-aws (Ubuntu package): before 6.8.0-1019.21

linux-image-6.8.0-49-generic-64k (Ubuntu package): before 6.8.0-49.49~22.04.1

linux-image-6.8.0-49-generic (Ubuntu package): before 6.8.0-49.49~22.04.1

linux-image-6.8.0-1019-aws (Ubuntu package): before 6.8.0-1019.21

linux-image-6.8.0-1018-nvidia-lowlatency-64k (Ubuntu package): before 6.8.0-1018.20.1

linux-image-6.8.0-1018-nvidia-lowlatency (Ubuntu package): before 6.8.0-1018.20.1

linux-image-6.8.0-1018-nvidia-64k (Ubuntu package): before 6.8.0-1018.20~22.04.1

linux-image-6.8.0-1018-nvidia (Ubuntu package): before 6.8.0-1018.20~22.04.1

linux-image-6.8.0-1018-gcp (Ubuntu package): before 6.8.0-1018.20~22.04.1

linux-image-6.8.0-1017-oem (Ubuntu package): before 6.8.0-1017.17

linux-image-6.8.0-1016-oracle-64k (Ubuntu package): before 6.8.0-1016.17

linux-image-6.8.0-1016-oracle (Ubuntu package): before 6.8.0-1016.17

linux-image-6.8.0-1016-ibm (Ubuntu package): before 6.8.0-1016.16

linux-image-6.8.0-1015-raspi (Ubuntu package): before 6.8.0-1015.17

linux-image-6.8.0-1014-gke (Ubuntu package): before 6.8.0-1014.18

CPE2.3

External links

https://ubuntu.com/security/notices/USN-7120-1

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) Improper locking

EUVDB-ID: #VU96295

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-2024-43882

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

Description

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

The vulnerability exists due to improper locking within the bprm_fill_uid() function in fs/exec.c. A local user can perform a denial of service (DoS) attack.