Ubuntu update for linux-bluefield



Risk Low
Patch available YES
Number of vulnerabilities 7
CVE-ID CVE-2022-1195
CVE-2022-1199
CVE-2022-1204
CVE-2022-1205
CVE-2022-1789
CVE-2022-28388
CVE-2022-33981
CWE-ID CWE-416
CWE-476
CWE-415
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

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

linux-image-5.4.0-1042-bluefield (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-gke-5.4 (Ubuntu package)
Operating systems & Components / Operating system package or component

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

linux-image-5.4.0-1084-gcp (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-5.4.0-1078-gke (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 7 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU63430

Risk: Low

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

CVE-ID: CVE-2022-1195

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error in the drivers/net/hamradio. A local user can cause a denial of service (DOS) when the mkiss or sixpack device is detached.

Mitigation

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

Vulnerable software versions

Ubuntu: 18.04 - 20.04

linux-image-bluefield (Ubuntu package): before 5.4.0.1042.41

linux-image-5.4.0-1042-bluefield (Ubuntu package): before 5.4.0-1042.47

linux-image-gke-5.4 (Ubuntu package): before 5.4.0.1078.84~18.04.40

linux-image-gcp (Ubuntu package): before 5.4.0.1084.63

linux-image-5.4.0-1084-gcp (Ubuntu package): before 5.4.0-1084.92~18.04.1

linux-image-5.4.0-1078-gke (Ubuntu package): before 5.4.0-1078.84~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5539-1


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.

2) NULL pointer dereference

EUVDB-ID: #VU63432

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-2022-1199

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 and use after free errors in the ax25_release() function. A local user can simulate Amateur Radio and perform a denial of service (DoS) attack.

Mitigation

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

Vulnerable software versions

Ubuntu: 18.04 - 20.04

linux-image-bluefield (Ubuntu package): before 5.4.0.1042.41

linux-image-5.4.0-1042-bluefield (Ubuntu package): before 5.4.0-1042.47

linux-image-gke-5.4 (Ubuntu package): before 5.4.0.1078.84~18.04.40

linux-image-gcp (Ubuntu package): before 5.4.0.1084.63

linux-image-5.4.0-1084-gcp (Ubuntu package): before 5.4.0-1084.92~18.04.1

linux-image-5.4.0-1078-gke (Ubuntu package): before 5.4.0-1078.84~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5539-1


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: #VU63791

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-2022-1204

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’s Amateur Radio AX.25 protocol functionality when user connects with the protocol. A local user can trigger use-after-free error to perform a denial of service attack or escalate privileges on the system.

Mitigation

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

Vulnerable software versions

Ubuntu: 18.04 - 20.04

linux-image-bluefield (Ubuntu package): before 5.4.0.1042.41

linux-image-5.4.0-1042-bluefield (Ubuntu package): before 5.4.0-1042.47

linux-image-gke-5.4 (Ubuntu package): before 5.4.0.1078.84~18.04.40

linux-image-gcp (Ubuntu package): before 5.4.0.1084.63

linux-image-5.4.0-1084-gcp (Ubuntu package): before 5.4.0-1084.92~18.04.1

linux-image-5.4.0-1078-gke (Ubuntu package): before 5.4.0-1078.84~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5539-1


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: #VU63433

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-2022-1205

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 and use after free errors in the net/ax25/ax25_timer.c. A local user can simulate Amateur Radio and perform a denial of service (DoS) attack.

Mitigation

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

Vulnerable software versions

Ubuntu: 18.04 - 20.04

linux-image-bluefield (Ubuntu package): before 5.4.0.1042.41

linux-image-5.4.0-1042-bluefield (Ubuntu package): before 5.4.0-1042.47

linux-image-gke-5.4 (Ubuntu package): before 5.4.0.1078.84~18.04.40

linux-image-gcp (Ubuntu package): before 5.4.0.1084.63

linux-image-5.4.0-1084-gcp (Ubuntu package): before 5.4.0-1084.92~18.04.1

linux-image-5.4.0-1078-gke (Ubuntu package): before 5.4.0-1078.84~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5539-1


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) NULL pointer dereference

EUVDB-ID: #VU64261

Risk: Low

CVSSv4.0: 2.2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-1789

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to NULL pointer dereference in kvm_mmu_invpcid_gva. A local attacker can trigger vulnerability to perform a denial of service (DoS) attack.

Mitigation

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

Vulnerable software versions

Ubuntu: 18.04 - 20.04

linux-image-bluefield (Ubuntu package): before 5.4.0.1042.41

linux-image-5.4.0-1042-bluefield (Ubuntu package): before 5.4.0-1042.47

linux-image-gke-5.4 (Ubuntu package): before 5.4.0.1078.84~18.04.40

linux-image-gcp (Ubuntu package): before 5.4.0.1084.63

linux-image-5.4.0-1084-gcp (Ubuntu package): before 5.4.0-1084.92~18.04.1

linux-image-5.4.0-1078-gke (Ubuntu package): before 5.4.0-1078.84~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5539-1


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) Double Free

EUVDB-ID: #VU63160

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-2022-28388

CWE-ID: CWE-415 - Double Free

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary code with elevated privileges.

The vulnerability exists due to boundary error in the usb_8dev_start_xmit in drivers/net/can/usb/usb_8dev.c. A local user can pass specially crafted data to the application, trigger double free error and execute arbitrary code with elevated privileges.

Mitigation

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

Vulnerable software versions

Ubuntu: 18.04 - 20.04

linux-image-bluefield (Ubuntu package): before 5.4.0.1042.41

linux-image-5.4.0-1042-bluefield (Ubuntu package): before 5.4.0-1042.47

linux-image-gke-5.4 (Ubuntu package): before 5.4.0.1078.84~18.04.40

linux-image-gcp (Ubuntu package): before 5.4.0.1084.63

linux-image-5.4.0-1084-gcp (Ubuntu package): before 5.4.0-1084.92~18.04.1

linux-image-5.4.0-1078-gke (Ubuntu package): before 5.4.0-1078.84~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5539-1


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) Use-after-free

EUVDB-ID: #VU64944

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-33981

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error in drivers/block/floppy.c in the Linux kernel when deallocating raw_cmd in the raw_cmd_ioctl function(). A local user can trigger use-after-free and perform denial of service attack.

Mitigation

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

Vulnerable software versions

Ubuntu: 18.04 - 20.04

linux-image-bluefield (Ubuntu package): before 5.4.0.1042.41

linux-image-5.4.0-1042-bluefield (Ubuntu package): before 5.4.0-1042.47

linux-image-gke-5.4 (Ubuntu package): before 5.4.0.1078.84~18.04.40

linux-image-gcp (Ubuntu package): before 5.4.0.1084.63

linux-image-5.4.0-1084-gcp (Ubuntu package): before 5.4.0-1084.92~18.04.1

linux-image-5.4.0-1078-gke (Ubuntu package): before 5.4.0-1078.84~18.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5539-1


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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