Ubuntu update for linux

Published: 2024-03-07

Risk	Medium
Patch available	YES
Number of vulnerabilities	7
CVE-ID	CVE-2023-46343 CVE-2023-51779 CVE-2023-51782 CVE-2023-6121 CVE-2023-6560 CVE-2024-0607 CVE-2024-25744
CWE-ID	CWE-476 CWE-416 CWE-362 CWE-125 CWE-399 CWE-264
Exploitation vector	Network
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-lowlatency-64k (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-lowlatency-hwe-22.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.5.0-1016-oem (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-starfive (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-raspi-nolpae (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-lowlatency (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-laptop-23.10 (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-generic-lpae (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-6.5.0-25-lowlatency-64k (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.5.0-25-lowlatency (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.5.0-25-generic-64k (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.5.0-25-generic (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.5.0-1018-oracle-64k (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.5.0-1018-oracle (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.5.0-1015-gcp (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.5.0-1012-raspi (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.5.0-1011-laptop (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.5.0-1009-starfive (Ubuntu package) Operating systems & Components / Operating system package or component
Vendor	Canonical Ltd.

Security Bulletin

This security bulletin contains information about 7 vulnerabilities.

1) NULL pointer dereference

EUVDB-ID: #VU86243

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-2023-46343

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error within the send_acknowledge() function in net/nfc/nci/spi.c. A local user can pass specially crafted data to the system and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 22.04 - 23.10

linux-image-raspi (Ubuntu package): before 6.5.0.1012.13

linux-image-lowlatency-64k (Ubuntu package): before 6.5.0.25.25.16

linux-image-oem-22.04d (Ubuntu package): before 6.5.0.1016.18

linux-image-lowlatency-hwe-22.04 (Ubuntu package): before 6.5.0.25.25.1~22.04.8

linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package): before 6.5.0.25.25.1~22.04.8

linux-image-6.5.0-1016-oem (Ubuntu package): before 6.5.0-1016.17

linux-image-virtual (Ubuntu package): before 6.5.0.25.25

linux-image-starfive (Ubuntu package): before 6.5.0.1009.10~22.04.4

linux-image-raspi-nolpae (Ubuntu package): before 6.5.0.1012.13

linux-image-oracle-64k (Ubuntu package): before 6.5.0.1018.20

linux-image-oracle (Ubuntu package): before 6.5.0.1018.20

linux-image-lowlatency (Ubuntu package): before 6.5.0.25.25.16

linux-image-laptop-23.10 (Ubuntu package): before 6.5.0.1011.14

linux-image-kvm (Ubuntu package): before 6.5.0.25.25

linux-image-generic-lpae (Ubuntu package): before 6.5.0.25.25

linux-image-generic-64k (Ubuntu package): before 6.5.0.25.25

linux-image-generic (Ubuntu package): before 6.5.0.25.25

linux-image-gcp (Ubuntu package): before 6.5.0.1015.15~22.04.1

linux-image-6.5.0-25-lowlatency-64k (Ubuntu package): before 6.5.0-25.25.1~22.04.1

linux-image-6.5.0-25-lowlatency (Ubuntu package): before 6.5.0-25.25.1~22.04.1

linux-image-6.5.0-25-generic-64k (Ubuntu package): before 6.5.0-25.25

linux-image-6.5.0-25-generic (Ubuntu package): before 6.5.0-25.25

linux-image-6.5.0-1018-oracle-64k (Ubuntu package): before 6.5.0-1018.18

linux-image-6.5.0-1018-oracle (Ubuntu package): before 6.5.0-1018.18

linux-image-6.5.0-1015-gcp (Ubuntu package): before 6.5.0-1015.15~22.04.1

linux-image-6.5.0-1012-raspi (Ubuntu package): before 6.5.0-1012.15

linux-image-6.5.0-1011-laptop (Ubuntu package): before 6.5.0-1011.14

linux-image-6.5.0-1009-starfive (Ubuntu package): before 6.5.0-1009.10~22.04.1

CPE2.3

External links

http://ubuntu.com/security/notices/USN-6680-1

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) Use-after-free

EUVDB-ID: #VU85023

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-2023-51779

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 when handling bt_sock_ioctl in the Bluetooth subsystem. A local user can trigger a use-after-free error and execute arbitrary code on the system.