Ubuntu update for linux-azure



Risk Medium
Patch available YES
Number of vulnerabilities 5
CVE-ID CVE-2024-35864
CVE-2024-56658
CVE-2024-57798
CVE-2024-42069
CVE-2024-26928
CWE-ID CWE-416
CWE-415
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

linux-image-azure-lts-22.04 (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-azure-fde-lts-22.04 (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-5.15.0-1086-azure-fde (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-5.15.0-1086-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) Use-after-free

EUVDB-ID: #VU90149

Risk: Medium

CVSSv4.0: 4.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-35864

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the smb2_is_valid_lease_break() function in fs/smb/client/smb2misc.c. A remote non-authenticated attacker can perform a denial of service (DoS) attack.

Mitigation

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

Vulnerable software versions

Ubuntu: 22.04

linux-image-azure-lts-22.04 (Ubuntu package): before 5.15.0.1086.84

linux-image-azure-fde-lts-22.04 (Ubuntu package): before 5.15.0.1086.95.63

linux-image-5.15.0-1086-azure-fde (Ubuntu package): before 5.15.0-1086.95.1

linux-image-5.15.0-1086-azure (Ubuntu package): before 5.15.0-1086.95~20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7420-1


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.

2) Use-after-free

EUVDB-ID: #VU102033

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-2024-56658

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 LLIST_HEAD(), net_free() and cleanup_net() functions in net/core/net_namespace.c. A local user can escalate privileges on the system.

Mitigation

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

Vulnerable software versions

Ubuntu: 22.04

linux-image-azure-lts-22.04 (Ubuntu package): before 5.15.0.1086.84

linux-image-azure-fde-lts-22.04 (Ubuntu package): before 5.15.0.1086.95.63

linux-image-5.15.0-1086-azure-fde (Ubuntu package): before 5.15.0-1086.95.1

linux-image-5.15.0-1086-azure (Ubuntu package): before 5.15.0-1086.95~20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7420-1


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.

3) Use-after-free

EUVDB-ID: #VU102915

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-2024-57798

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 drm_dp_mst_up_req_work() and drm_dp_mst_handle_up_req() functions in drivers/gpu/drm/display/drm_dp_mst_topology.c. A local user can escalate privileges on the system.

Mitigation

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

Vulnerable software versions

Ubuntu: 22.04

linux-image-azure-lts-22.04 (Ubuntu package): before 5.15.0.1086.84

linux-image-azure-fde-lts-22.04 (Ubuntu package): before 5.15.0.1086.95.63

linux-image-5.15.0-1086-azure-fde (Ubuntu package): before 5.15.0-1086.95.1

linux-image-5.15.0-1086-azure (Ubuntu package): before 5.15.0-1086.95~20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7420-1


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.

4) Double free

EUVDB-ID: #VU95009

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-2024-42069

CWE-ID: CWE-415 - Double Free

Exploit availability: No

Description

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

The vulnerability exists due to a double free error within the add_adev() function in drivers/net/ethernet/microsoft/mana/mana_en.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: 22.04

linux-image-azure-lts-22.04 (Ubuntu package): before 5.15.0.1086.84

linux-image-azure-fde-lts-22.04 (Ubuntu package): before 5.15.0.1086.95.63

linux-image-5.15.0-1086-azure-fde (Ubuntu package): before 5.15.0-1086.95.1

linux-image-5.15.0-1086-azure (Ubuntu package): before 5.15.0-1086.95~20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7420-1


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.

5) Use-after-free

EUVDB-ID: #VU90192

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-2024-26928

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the cifs_debug_files_proc_show() function in fs/smb/client/cifs_debug.c. A remote non-authenticated attacker can perform a denial of service (DoS) attack.

Mitigation

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

Vulnerable software versions

Ubuntu: 22.04

linux-image-azure-lts-22.04 (Ubuntu package): before 5.15.0.1086.84

linux-image-azure-fde-lts-22.04 (Ubuntu package): before 5.15.0.1086.95.63

linux-image-5.15.0-1086-azure-fde (Ubuntu package): before 5.15.0-1086.95.1

linux-image-5.15.0-1086-azure (Ubuntu package): before 5.15.0-1086.95~20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7420-1


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.



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