Ubuntu update for linux-intel-iotg-5.15



| Updated: 2023-09-04
Risk Low
Patch available YES
Number of vulnerabilities 6
CVE-ID CVE-2023-3090
CVE-2023-31248
CVE-2023-3389
CVE-2023-3390
CVE-2023-3439
CVE-2023-35001
CWE-ID CWE-787
CWE-416
Exploitation vector Local
Public exploit Public exploit code for vulnerability #6 is available.
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

linux-image-intel (Ubuntu package)
Other

linux-image-intel-iotg (Ubuntu package)
Other

linux-image-5.15.0-1036-intel-iotg (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 6 vulnerabilities.

1) Out-of-bounds write

EUVDB-ID: #VU78010

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-2023-3090

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the ipvlan network driver in Linux kernel. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux-intel-iotg-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-intel (Ubuntu package): before 5.15.0.1036.41~20.04.26

linux-image-5.15.0-1036-intel-iotg (Ubuntu package): before 5.15.0-1036.41~20.04.1

linux-image-intel-iotg (Ubuntu package): before 5.15.0.1036.41~20.04.26

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6255-1


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: #VU78325

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-2023-31248

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 in nft_chain_lookup_byid() function, which failed to check whether a chain was active and CAP_NET_ADMIN is in any user or network namespace. A local user ca trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux-intel-iotg-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-intel (Ubuntu package): before 5.15.0.1036.41~20.04.26

linux-image-5.15.0-1036-intel-iotg (Ubuntu package): before 5.15.0-1036.41~20.04.1

linux-image-intel-iotg (Ubuntu package): before 5.15.0.1036.41~20.04.26

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6255-1


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: #VU78066

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-2023-3389

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 in the Linux Kernel io_uring subsystem. A local user can exploit a race condition and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux-intel-iotg-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-intel (Ubuntu package): before 5.15.0.1036.41~20.04.26

linux-image-5.15.0-1036-intel-iotg (Ubuntu package): before 5.15.0-1036.41~20.04.1

linux-image-intel-iotg (Ubuntu package): before 5.15.0.1036.41~20.04.26

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6255-1


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) Use-after-free

EUVDB-ID: #VU78007

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-2023-3390

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 net/netfilter/nf_tables_api.c in the Linux kernel netfilter subsystem. A local user can trigger a use-after-fee error and escalate privileges on the system.

Mitigation

Update the affected package linux-intel-iotg-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-intel (Ubuntu package): before 5.15.0.1036.41~20.04.26

linux-image-5.15.0-1036-intel-iotg (Ubuntu package): before 5.15.0-1036.41~20.04.1

linux-image-intel-iotg (Ubuntu package): before 5.15.0.1036.41~20.04.26

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6255-1


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: #VU77908

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-2023-3439

CWE-ID: CWE-416 - Use After 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 use-after-free error within the mctp_unregister() function in the MCTP protocol in the Linux kernel. A local user can trigger a use-after-free error and crash the kernel.

Mitigation

Update the affected package linux-intel-iotg-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-intel (Ubuntu package): before 5.15.0.1036.41~20.04.26

linux-image-5.15.0-1036-intel-iotg (Ubuntu package): before 5.15.0-1036.41~20.04.1

linux-image-intel-iotg (Ubuntu package): before 5.15.0.1036.41~20.04.26

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6255-1


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.

6) Out-of-bounds write

EUVDB-ID: #VU78326

Risk: Low

CVSSv4.0: 7.1 [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:P/U:Clear]

CVE-ID: CVE-2023-35001

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: Yes

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the nft_byteorder() function. A local user can trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Update the affected package linux-intel-iotg-5.15 to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-intel (Ubuntu package): before 5.15.0.1036.41~20.04.26

linux-image-5.15.0-1036-intel-iotg (Ubuntu package): before 5.15.0-1036.41~20.04.1

linux-image-intel-iotg (Ubuntu package): before 5.15.0.1036.41~20.04.26

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6255-1


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. However, proof of concept for this vulnerability is available.



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