Ubuntu update for linux

Published: 2024-04-22 | Updated: 2024-05-06

Risk	Medium
Patch available	YES
Number of vulnerabilities	5
CVE-ID	CVE-2023-24023 CVE-2023-52603 CVE-2023-52600 CVE-2024-26581 CVE-2024-26589
CWE-ID	CWE-347 CWE-129 CWE-416 CWE-20 CWE-119
Exploitation vector	Local network
Public exploit	Public exploit code for vulnerability #1 is available.
Vulnerable software	Ubuntu Operating systems & Components / Operating system linux-image-raspi (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-gcp-lts-20.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-ibm-lts-20.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-xilinx-zynqmp (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-raspi2 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-oracle-lts-20.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-oem-osp1 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-oem (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-kvm (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-gkeop-5.4 (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 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-bluefield (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-azure-lts-20.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-aws-lts-20.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.4.0-177-lowlatency (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.4.0-177-generic-lpae (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.4.0-177-generic (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.4.0-1128-azure (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.4.0-1127-gcp (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.4.0-1123-aws (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.4.0-1122-oracle (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.4.0-1111-kvm (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.4.0-1107-raspi (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.4.0-1090-gkeop (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.4.0-1083-bluefield (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.4.0-1070-ibm (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.4.0-1042-xilinx-zynqmp (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.4.0-1035-iot (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-lowlatency-hwe-18.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-virtual-hwe-18.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-snapdragon-hwe-18.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-generic-hwe-18.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-raspi-hwe-18.04 (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-aws (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-azure (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-oracle (Ubuntu package) Operating systems & Components / Operating system package or component
Vendor	Canonical Ltd.

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) Improper Verification of Cryptographic Signature

EUVDB-ID: #VU83116

Risk: Medium

CVSSv4.0: 6.7 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2023-24023

CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a MitM attack.

The vulnerability exists due to improper verification of cryptographic signature in bluetooth implementation. A remote attacker with physical proximity to the system can perform MitM attack and potentially compromise the system.

Mitigation

Update the affected package linux to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 20.04

linux-image-raspi (Ubuntu package): before 5.4.0.1107.137

linux-image-gkeop (Ubuntu package): before 5.4.0.1090.88

linux-image-gcp-lts-20.04 (Ubuntu package): before 5.4.0.1127.129

linux-image-ibm-lts-20.04 (Ubuntu package): before 5.4.0.1070.99

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1042.42

linux-image-virtual (Ubuntu package): before 5.4.0.177.175

linux-image-raspi2 (Ubuntu package): before 5.4.0.1107.137

linux-image-oracle-lts-20.04 (Ubuntu package): before 5.4.0.1122.115

linux-image-oem-osp1 (Ubuntu package): before Ubuntu Pro

linux-image-oem (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-lowlatency (Ubuntu package): before 5.4.0.177.175

linux-image-kvm (Ubuntu package): before 5.4.0.1111.107

linux-image-gkeop-5.4 (Ubuntu package): before 5.4.0.1090.88

linux-image-generic-lpae (Ubuntu package): before 5.4.0.177.175

linux-image-generic (Ubuntu package): before 5.4.0.177.175

linux-image-bluefield (Ubuntu package): before 5.4.0.1083.79

linux-image-azure-lts-20.04 (Ubuntu package): before 5.4.0.1128.122

linux-image-aws-lts-20.04 (Ubuntu package): before 5.4.0.1123.120

linux-image-5.4.0-177-lowlatency (Ubuntu package): before Ubuntu Pro

linux-image-5.4.0-177-generic-lpae (Ubuntu package): before 5.4.0-177.197

linux-image-5.4.0-177-generic (Ubuntu package): before Ubuntu Pro

linux-image-5.4.0-1128-azure (Ubuntu package): before Ubuntu Pro

linux-image-5.4.0-1127-gcp (Ubuntu package): before Ubuntu Pro

linux-image-5.4.0-1123-aws (Ubuntu package): before Ubuntu Pro

linux-image-5.4.0-1122-oracle (Ubuntu package): before Ubuntu Pro

linux-image-5.4.0-1111-kvm (Ubuntu package): before 5.4.0-1111.118

linux-image-5.4.0-1107-raspi (Ubuntu package): before Ubuntu Pro

linux-image-5.4.0-1090-gkeop (Ubuntu package): before 5.4.0-1090.94

linux-image-5.4.0-1083-bluefield (Ubuntu package): before 5.4.0-1083.90

linux-image-5.4.0-1070-ibm (Ubuntu package): before Ubuntu Pro

linux-image-5.4.0-1042-xilinx-zynqmp (Ubuntu package): before 5.4.0-1042.46

linux-image-5.4.0-1035-iot (Ubuntu package): before 5.4.0-1035.36

linux-image-lowlatency-hwe-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-virtual-hwe-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-snapdragon-hwe-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-generic-hwe-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-raspi-hwe-18.04 (Ubuntu package): before Ubuntu Pro

linux-image-ibm (Ubuntu package): before Ubuntu Pro

linux-image-aws (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-gcp (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-azure (Ubuntu package): before Ubuntu Pro (Infra-only)

linux-image-oracle (Ubuntu package): before Ubuntu Pro (Infra-only)

CPE2.3

External links

https://ubuntu.com/security/notices/USN-6741-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

2) Improper validation of array index

EUVDB-ID: #VU88885

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-2023-52603

CWE-ID: CWE-129 - Improper Validation of Array Index

Exploit availability: No

Description

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

The vulnerability exists due to improper validation of array index within the dtSplitRoot() function in fs/jfs/jfs_dtree.c. A local user can perform a denial of service (DoS) attack.