Ubuntu update for linux-oem-5.14



Published: 2023-03-03
Risk Medium
Patch available YES
Number of vulnerabilities 8
CVE-ID CVE-2022-20566
CVE-2022-3565
CVE-2022-36879
CVE-2022-43750
CVE-2022-4379
CVE-2022-47520
CVE-2023-0045
CVE-2023-0461
CWE-ID CWE-416
CWE-119
CWE-399
CWE-787
CWE-125
CWE-254
Exploitation vector Network
Public exploit Public exploit code for vulnerability #7 is available.
Vulnerable software
Subscribe 		Ubuntu
Operating systems & Components / Operating system

linux-image-5.14.0-1058-oem (Ubuntu package)
Operating systems & Components / Operating system package or component

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

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

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

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

linux-image-5.17.0-1028-oem (Ubuntu package)
Operating systems & Components / Operating system package or component

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

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

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 8 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU72526

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-20566

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error within the l2cap_chan_put() function in Bluetooth L2CAP implementation. A local application can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux-oem-5.14 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

linux-image-5.14.0-1058-oem (Ubuntu package): before 5.14.0-1058.66

linux-image-oem-20.04 (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04d (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04b (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04c (Ubuntu package): before 5.14.0.1058.56

linux-image-5.17.0-1028-oem (Ubuntu package): before 5.17.0-1028.29

linux-image-oem-22.04a (Ubuntu package): before 5.17.0.1028.26

linux-image-oem-22.04 (Ubuntu package): before 5.17.0.1028.26

External links

http://ubuntu.com/security/notices/USN-5913-1


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) Buffer overflow

EUVDB-ID: #VU69709

Risk: Low

CVSSv3.1: 5.9 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-3565

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the del_timer() function in drivers/isdn/mISDN/l1oip_core.c in the Bluetooth component. An attacker with physical proximity to device can trigger memory corruption and execute arbitrary code on the target system.


Mitigation

Update the affected package linux-oem-5.14 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

linux-image-5.14.0-1058-oem (Ubuntu package): before 5.14.0-1058.66

linux-image-oem-20.04 (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04d (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04b (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04c (Ubuntu package): before 5.14.0.1058.56

linux-image-5.17.0-1028-oem (Ubuntu package): before 5.17.0-1028.29

linux-image-oem-22.04a (Ubuntu package): before 5.17.0.1028.26

linux-image-oem-22.04 (Ubuntu package): before 5.17.0.1028.26

External links

http://ubuntu.com/security/notices/USN-5913-1


Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

3) Resource management error

EUVDB-ID: #VU66550

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-36879

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 improper management of internal resources within the xfrm_expand_policies() function in net/xfrm/xfrm_policy.c. A local user can cause the refcount to be dropped twice and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-oem-5.14 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

linux-image-5.14.0-1058-oem (Ubuntu package): before 5.14.0-1058.66

linux-image-oem-20.04 (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04d (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04b (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04c (Ubuntu package): before 5.14.0.1058.56

linux-image-5.17.0-1028-oem (Ubuntu package): before 5.17.0-1028.29

linux-image-oem-22.04a (Ubuntu package): before 5.17.0.1028.26

linux-image-oem-22.04 (Ubuntu package): before 5.17.0.1028.26

External links

http://ubuntu.com/security/notices/USN-5913-1


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) Out-of-bounds write

EUVDB-ID: #VU69296

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-43750

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 drivers/usb/mon/mon_bin.c in usbmon in the 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-oem-5.14 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

linux-image-5.14.0-1058-oem (Ubuntu package): before 5.14.0-1058.66

linux-image-oem-20.04 (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04d (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04b (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04c (Ubuntu package): before 5.14.0.1058.56

linux-image-5.17.0-1028-oem (Ubuntu package): before 5.17.0-1028.29

linux-image-oem-22.04a (Ubuntu package): before 5.17.0.1028.26

linux-image-oem-22.04 (Ubuntu package): before 5.17.0.1028.26

External links

http://ubuntu.com/security/notices/USN-5913-1


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: #VU71583

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-4379

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error within the __nfs42_ssc_open() function in fs/nfs/nfs4file.c. A remote attacker can perform a denial of service (DoS) attack.


Mitigation

Update the affected package linux-oem-5.14 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

linux-image-5.14.0-1058-oem (Ubuntu package): before 5.14.0-1058.66

linux-image-oem-20.04 (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04d (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04b (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04c (Ubuntu package): before 5.14.0.1058.56

linux-image-5.17.0-1028-oem (Ubuntu package): before 5.17.0-1028.29

linux-image-oem-22.04a (Ubuntu package): before 5.17.0.1028.26

linux-image-oem-22.04 (Ubuntu package): before 5.17.0.1028.26

External links

http://ubuntu.com/security/notices/USN-5913-1


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.

6) Out-of-bounds read

EUVDB-ID: #VU70627

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-47520

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition within the drivers/net/wireless/microchip/wilc1000/hif.c in the WILC1000 wireless driver.  A local user can trigger an out-of-bounds read when parsing a Robust Security Network (RSN) information element from a Netlink packet and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-oem-5.14 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

linux-image-5.14.0-1058-oem (Ubuntu package): before 5.14.0-1058.66

linux-image-oem-20.04 (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04d (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04b (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04c (Ubuntu package): before 5.14.0.1058.56

linux-image-5.17.0-1028-oem (Ubuntu package): before 5.17.0-1028.29

linux-image-oem-22.04a (Ubuntu package): before 5.17.0.1028.26

linux-image-oem-22.04 (Ubuntu package): before 5.17.0.1028.26

External links

http://ubuntu.com/security/notices/USN-5913-1


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.

7) Security features bypass

EUVDB-ID: #VU72469

Risk: Low

CVSSv3.1: 2.6 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2023-0045

CWE-ID: CWE-254 - Security Features

Exploit availability: Yes

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to Linux kernel does not correctly mitigate SMT attacks. A local user can bypass Spectre-BTI user space mitigations and gain access to sensitive information.

Mitigation

Update the affected package linux-oem-5.14 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

linux-image-5.14.0-1058-oem (Ubuntu package): before 5.14.0-1058.66

linux-image-oem-20.04 (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04d (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04b (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04c (Ubuntu package): before 5.14.0.1058.56

linux-image-5.17.0-1028-oem (Ubuntu package): before 5.17.0-1028.29

linux-image-oem-22.04a (Ubuntu package): before 5.17.0.1028.26

linux-image-oem-22.04 (Ubuntu package): before 5.17.0.1028.26

External links

http://ubuntu.com/security/notices/USN-5913-1


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.

8) Use-after-free

EUVDB-ID: #VU72506

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-0461

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 Upper Level Protocol (ULP) subsystem in Linux kernel caused by improper handling of sockets entering the LISTEN state in certain protocols. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.


Mitigation

Update the affected package linux-oem-5.14 to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

linux-image-5.14.0-1058-oem (Ubuntu package): before 5.14.0-1058.66

linux-image-oem-20.04 (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04d (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04b (Ubuntu package): before 5.14.0.1058.56

linux-image-oem-20.04c (Ubuntu package): before 5.14.0.1058.56

linux-image-5.17.0-1028-oem (Ubuntu package): before 5.17.0-1028.29

linux-image-oem-22.04a (Ubuntu package): before 5.17.0.1028.26

linux-image-oem-22.04 (Ubuntu package): before 5.17.0.1028.26

External links

http://ubuntu.com/security/notices/USN-5913-1


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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