Ubuntu update for linux-azure



Risk Low
Patch available YES
Number of vulnerabilities 5
CVE-ID CVE-2023-21400
CVE-2024-53141
CVE-2024-53103
CVE-2024-40967
CVE-2024-53164
CWE-ID CWE-20
CWE-476
CWE-667
CWE-399
Exploitation vector Local
Public exploit N/A
Vulnerable software
Ubuntu
Operating systems & Components / Operating system

linux-image-azure-lts-20.04 (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-5.4.0-1143-azure (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-azure (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 input validation

EUVDB-ID: #VU77993

Risk: Low

CVSSv4.0: [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-2023-21400

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to improper input validation within the Kernel io_uring subcomponent in Kernel components. A local application can execute arbitrary code.

Mitigation

Update the affected package linux-azure to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 20.04

linux-image-azure-lts-20.04 (Ubuntu package): before 5.4.0.1143.137

linux-image-5.4.0-1143-azure (Ubuntu package): before Ubuntu Pro

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

CPE2.3 External links

http://ubuntu.com/security/notices/USN-7234-3


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: #VU101348

Risk: Low

CVSSv4.0: [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-2024-53141

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 bitmap_ip_uadt() function in net/netfilter/ipset/ip_set_bitmap_ip.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 20.04

linux-image-azure-lts-20.04 (Ubuntu package): before 5.4.0.1143.137

linux-image-5.4.0-1143-azure (Ubuntu package): before Ubuntu Pro

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

CPE2.3 External links

http://ubuntu.com/security/notices/USN-7234-3


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.

3) NULL pointer dereference

EUVDB-ID: #VU101106

Risk: Low

CVSSv4.0: [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-2024-53103

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 NULL pointer dereference within the hvs_destruct() function in net/vmw_vsock/hyperv_transport.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 20.04

linux-image-azure-lts-20.04 (Ubuntu package): before 5.4.0.1143.137

linux-image-5.4.0-1143-azure (Ubuntu package): before Ubuntu Pro

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

CPE2.3 External links

http://ubuntu.com/security/notices/USN-7234-3


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.

4) Improper locking

EUVDB-ID: #VU94274

Risk: Low

CVSSv4.0: [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-2024-40967

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 imx_uart_console_write() function in drivers/tty/serial/imx.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 20.04

linux-image-azure-lts-20.04 (Ubuntu package): before 5.4.0.1143.137

linux-image-5.4.0-1143-azure (Ubuntu package): before Ubuntu Pro

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

CPE2.3 External links

http://ubuntu.com/security/notices/USN-7234-3


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.

5) Resource management error

EUVDB-ID: #VU102248

Risk: Low

CVSSv4.0: [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-2024-53164

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to resource management error within the choke_drop_by_idx() function in net/sched/sch_choke.c, within the cake_drop() function in net/sched/sch_cake.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-azure to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 20.04

linux-image-azure-lts-20.04 (Ubuntu package): before 5.4.0.1143.137

linux-image-5.4.0-1143-azure (Ubuntu package): before Ubuntu Pro

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

CPE2.3 External links

http://ubuntu.com/security/notices/USN-7234-3


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.



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