Ubuntu update for linux-intel-iotg

1) Improper access control

EUVDB-ID: #VU79371

Risk: Medium

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-25775

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to improper access restrictions in the Intel Ethernet Controller RDMA driver for Linux. A remote non-authenticated attacker can bypass implemented security restrictions and gain access to sensitive information.

Mitigation

Update the affected package linux-intel-iotg to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

linux-image-intel (Ubuntu package): before 5.15.0.1045.51~20.04.35

linux-image-intel-iotg (Ubuntu package): before 5.15.0.1045.45

linux-image-5.15.0-1045-intel-iotg (Ubuntu package): before 5.15.0-1045.51~20.04.1

CPE2.3

• cpe:2.3:o:canonical:ubuntu:20.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:22.04:*:*:*:*:*:*:*
• cpe:2.3::canonical:linux-image-intel_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3::canonical:linux-image-intel-iotg_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:linux-image-5.15.0-1045-intel-iotg_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-6516-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) NULL pointer dereference

EUVDB-ID: #VU79496

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-2023-31083

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 hci_uart_tty_ioctl() function in drivers/bluetooth/hci_ldisc.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-intel-iotg to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

linux-image-intel (Ubuntu package): before 5.15.0.1045.51~20.04.35

linux-image-intel-iotg (Ubuntu package): before 5.15.0.1045.45

linux-image-5.15.0-1045-intel-iotg (Ubuntu package): before 5.15.0-1045.51~20.04.1

CPE2.3

• cpe:2.3::canonical:linux-image-intel_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3::canonical:linux-image-intel-iotg_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:linux-image-5.15.0-1045-intel-iotg_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-6516-1

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) Division by zero

EUVDB-ID: #VU82660

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-2023-31085

CWE-ID: CWE-369 - Divide By Zero

Exploit availability: No

Description

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

The vulnerability exists due to a divide by zero error within the drivers/mtd/ubi/cdev.c driver. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-intel-iotg to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

linux-image-intel (Ubuntu package): before 5.15.0.1045.51~20.04.35

linux-image-intel-iotg (Ubuntu package): before 5.15.0.1045.45

linux-image-5.15.0-1045-intel-iotg (Ubuntu package): before 5.15.0-1045.51~20.04.1

CPE2.3

• cpe:2.3::canonical:linux-image-intel_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3::canonical:linux-image-intel-iotg_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:linux-image-5.15.0-1045-intel-iotg_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-6516-1

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) NULL pointer dereference

EUVDB-ID: #VU80578

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-3772

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 xfrm_update_ae_params() function in the IP framework for transforming packets (XFRM subsystem). A local user with CAP_NET_ADMIN privileges can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-intel-iotg to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

linux-image-intel (Ubuntu package): before 5.15.0.1045.51~20.04.35

linux-image-intel-iotg (Ubuntu package): before 5.15.0.1045.45

linux-image-5.15.0-1045-intel-iotg (Ubuntu package): before 5.15.0-1045.51~20.04.1

CPE2.3

• cpe:2.3::canonical:linux-image-intel_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3::canonical:linux-image-intel-iotg_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:linux-image-5.15.0-1045-intel-iotg_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-6516-1

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) Buffer overflow

EUVDB-ID: #VU83381

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-45871

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the IGB driver in drivers/net/ethernet/intel/igb/igb_main.c when handling frames larger than the MTU. A remote attacker can send specially crafted traffic to the system, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected package linux-intel-iotg to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

linux-image-intel (Ubuntu package): before 5.15.0.1045.51~20.04.35

linux-image-intel-iotg (Ubuntu package): before 5.15.0.1045.45

linux-image-5.15.0-1045-intel-iotg (Ubuntu package): before 5.15.0-1045.51~20.04.1

CPE2.3

• cpe:2.3::canonical:linux-image-intel_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3::canonical:linux-image-intel-iotg_ubuntu_package:*:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:linux-image-5.15.0-1045-intel-iotg_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-6516-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.