Security Bulletin
This security bulletin contains information about 6 vulnerabilities.
EUVDB-ID: #VU63430
Risk: Low
CVSSv3.1: 4 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-1195
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe 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.
Update the affected package linux to the latest version.
Vulnerable software versionsUbuntu: 18.04 - 20.04
linux-image-generic-lpae (Ubuntu package): before 5.4.0.122.123
linux-image-gke-5.4 (Ubuntu package): before 5.4.0.1078.86
linux-image-kvm (Ubuntu package): before 5.4.0.1071.68
linux-image-lowlatency (Ubuntu package): before 5.4.0.122.123
linux-image-aws-lts-20.04 (Ubuntu package): before 5.4.0.1081.81
linux-image-ibm-lts-20.04 (Ubuntu package): before 5.4.0.1029.58
linux-image-gke (Ubuntu package): before 5.4.0.1078.86
linux-image-5.4.0-1071-kvm (Ubuntu package): before 5.4.0-1071.76
linux-image-gkeop-5.4 (Ubuntu package): before 5.4.0.1049.50
linux-image-azure-lts-20.04 (Ubuntu package): before 5.4.0.1086.83
linux-image-5.4.0-1029-ibm (Ubuntu package): before 5.4.0-1029.33
linux-image-5.4.0-1078-gke (Ubuntu package): before 5.4.0-1078.84
linux-image-5.4.0-1086-azure-fde (Ubuntu package): before 5.4.0-1086.91+cvm1.1
linux-image-oem-osp1 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-ibm (Ubuntu package): before 5.4.0.1029.58
linux-image-5.4.0-1081-aws (Ubuntu package): before 5.4.0-1081.88
linux-image-5.4.0-1049-gkeop (Ubuntu package): before 5.4.0-1049.52
linux-image-oem (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-generic (Ubuntu package): before 5.4.0.122.123
linux-image-azure-fde (Ubuntu package): before 5.4.0.1086.91+cvm1.27
linux-image-virtual (Ubuntu package): before 5.4.0.122.123
linux-image-gkeop (Ubuntu package): before 5.4.0.1049.50
linux-image-azure (Ubuntu package): before 5.4.0.1086.63
linux-image-5.4.0-1086-azure (Ubuntu package): before 5.4.0-1086.91~18.04.1
linux-image-virtual-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-snapdragon-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-lowlatency-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-generic-lpae-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-generic-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-5.4.0-122-lowlatency (Ubuntu package): before 5.4.0-122.138~18.04.1
linux-image-5.4.0-122-generic-lpae (Ubuntu package): before 5.4.0-122.138~18.04.1
linux-image-5.4.0-122-generic (Ubuntu package): before 5.4.0-122.138~18.04.1
External linkshttp://ubuntu.com/security/notices/USN-5514-1
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.
EUVDB-ID: #VU63432
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-2022-1199
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe 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.
MitigationUpdate the affected package linux to the latest version.
Vulnerable software versionsUbuntu: 18.04 - 20.04
linux-image-generic-lpae (Ubuntu package): before 5.4.0.122.123
linux-image-gke-5.4 (Ubuntu package): before 5.4.0.1078.86
linux-image-kvm (Ubuntu package): before 5.4.0.1071.68
linux-image-lowlatency (Ubuntu package): before 5.4.0.122.123
linux-image-aws-lts-20.04 (Ubuntu package): before 5.4.0.1081.81
linux-image-ibm-lts-20.04 (Ubuntu package): before 5.4.0.1029.58
linux-image-gke (Ubuntu package): before 5.4.0.1078.86
linux-image-5.4.0-1071-kvm (Ubuntu package): before 5.4.0-1071.76
linux-image-gkeop-5.4 (Ubuntu package): before 5.4.0.1049.50
linux-image-azure-lts-20.04 (Ubuntu package): before 5.4.0.1086.83
linux-image-5.4.0-1029-ibm (Ubuntu package): before 5.4.0-1029.33
linux-image-5.4.0-1078-gke (Ubuntu package): before 5.4.0-1078.84
linux-image-5.4.0-1086-azure-fde (Ubuntu package): before 5.4.0-1086.91+cvm1.1
linux-image-oem-osp1 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-ibm (Ubuntu package): before 5.4.0.1029.58
linux-image-5.4.0-1081-aws (Ubuntu package): before 5.4.0-1081.88
linux-image-5.4.0-1049-gkeop (Ubuntu package): before 5.4.0-1049.52
linux-image-oem (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-generic (Ubuntu package): before 5.4.0.122.123
linux-image-azure-fde (Ubuntu package): before 5.4.0.1086.91+cvm1.27
linux-image-virtual (Ubuntu package): before 5.4.0.122.123
linux-image-gkeop (Ubuntu package): before 5.4.0.1049.50
linux-image-azure (Ubuntu package): before 5.4.0.1086.63
linux-image-5.4.0-1086-azure (Ubuntu package): before 5.4.0-1086.91~18.04.1
linux-image-virtual-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-snapdragon-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-lowlatency-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-generic-lpae-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-generic-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-5.4.0-122-lowlatency (Ubuntu package): before 5.4.0-122.138~18.04.1
linux-image-5.4.0-122-generic-lpae (Ubuntu package): before 5.4.0-122.138~18.04.1
linux-image-5.4.0-122-generic (Ubuntu package): before 5.4.0-122.138~18.04.1
External linkshttp://ubuntu.com/security/notices/USN-5514-1
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.
EUVDB-ID: #VU63791
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-2022-1204
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe 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.
MitigationUpdate the affected package linux to the latest version.
Vulnerable software versionsUbuntu: 18.04 - 20.04
linux-image-generic-lpae (Ubuntu package): before 5.4.0.122.123
linux-image-gke-5.4 (Ubuntu package): before 5.4.0.1078.86
linux-image-kvm (Ubuntu package): before 5.4.0.1071.68
linux-image-lowlatency (Ubuntu package): before 5.4.0.122.123
linux-image-aws-lts-20.04 (Ubuntu package): before 5.4.0.1081.81
linux-image-ibm-lts-20.04 (Ubuntu package): before 5.4.0.1029.58
linux-image-gke (Ubuntu package): before 5.4.0.1078.86
linux-image-5.4.0-1071-kvm (Ubuntu package): before 5.4.0-1071.76
linux-image-gkeop-5.4 (Ubuntu package): before 5.4.0.1049.50
linux-image-azure-lts-20.04 (Ubuntu package): before 5.4.0.1086.83
linux-image-5.4.0-1029-ibm (Ubuntu package): before 5.4.0-1029.33
linux-image-5.4.0-1078-gke (Ubuntu package): before 5.4.0-1078.84
linux-image-5.4.0-1086-azure-fde (Ubuntu package): before 5.4.0-1086.91+cvm1.1
linux-image-oem-osp1 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-ibm (Ubuntu package): before 5.4.0.1029.58
linux-image-5.4.0-1081-aws (Ubuntu package): before 5.4.0-1081.88
linux-image-5.4.0-1049-gkeop (Ubuntu package): before 5.4.0-1049.52
linux-image-oem (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-generic (Ubuntu package): before 5.4.0.122.123
linux-image-azure-fde (Ubuntu package): before 5.4.0.1086.91+cvm1.27
linux-image-virtual (Ubuntu package): before 5.4.0.122.123
linux-image-gkeop (Ubuntu package): before 5.4.0.1049.50
linux-image-azure (Ubuntu package): before 5.4.0.1086.63
linux-image-5.4.0-1086-azure (Ubuntu package): before 5.4.0-1086.91~18.04.1
linux-image-virtual-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-snapdragon-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-lowlatency-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-generic-lpae-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-generic-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-5.4.0-122-lowlatency (Ubuntu package): before 5.4.0-122.138~18.04.1
linux-image-5.4.0-122-generic-lpae (Ubuntu package): before 5.4.0-122.138~18.04.1
linux-image-5.4.0-122-generic (Ubuntu package): before 5.4.0-122.138~18.04.1
External linkshttp://ubuntu.com/security/notices/USN-5514-1
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.
EUVDB-ID: #VU63433
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-2022-1205
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe 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.
Update the affected package linux to the latest version.
Vulnerable software versionsUbuntu: 18.04 - 20.04
linux-image-generic-lpae (Ubuntu package): before 5.4.0.122.123
linux-image-gke-5.4 (Ubuntu package): before 5.4.0.1078.86
linux-image-kvm (Ubuntu package): before 5.4.0.1071.68
linux-image-lowlatency (Ubuntu package): before 5.4.0.122.123
linux-image-aws-lts-20.04 (Ubuntu package): before 5.4.0.1081.81
linux-image-ibm-lts-20.04 (Ubuntu package): before 5.4.0.1029.58
linux-image-gke (Ubuntu package): before 5.4.0.1078.86
linux-image-5.4.0-1071-kvm (Ubuntu package): before 5.4.0-1071.76
linux-image-gkeop-5.4 (Ubuntu package): before 5.4.0.1049.50
linux-image-azure-lts-20.04 (Ubuntu package): before 5.4.0.1086.83
linux-image-5.4.0-1029-ibm (Ubuntu package): before 5.4.0-1029.33
linux-image-5.4.0-1078-gke (Ubuntu package): before 5.4.0-1078.84
linux-image-5.4.0-1086-azure-fde (Ubuntu package): before 5.4.0-1086.91+cvm1.1
linux-image-oem-osp1 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-ibm (Ubuntu package): before 5.4.0.1029.58
linux-image-5.4.0-1081-aws (Ubuntu package): before 5.4.0-1081.88
linux-image-5.4.0-1049-gkeop (Ubuntu package): before 5.4.0-1049.52
linux-image-oem (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-generic (Ubuntu package): before 5.4.0.122.123
linux-image-azure-fde (Ubuntu package): before 5.4.0.1086.91+cvm1.27
linux-image-virtual (Ubuntu package): before 5.4.0.122.123
linux-image-gkeop (Ubuntu package): before 5.4.0.1049.50
linux-image-azure (Ubuntu package): before 5.4.0.1086.63
linux-image-5.4.0-1086-azure (Ubuntu package): before 5.4.0-1086.91~18.04.1
linux-image-virtual-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-snapdragon-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-lowlatency-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-generic-lpae-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-generic-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-5.4.0-122-lowlatency (Ubuntu package): before 5.4.0-122.138~18.04.1
linux-image-5.4.0-122-generic-lpae (Ubuntu package): before 5.4.0-122.138~18.04.1
linux-image-5.4.0-122-generic (Ubuntu package): before 5.4.0-122.138~18.04.1
External linkshttp://ubuntu.com/security/notices/USN-5514-1
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.
EUVDB-ID: #VU64261
Risk: Low
CVSSv3.1: 5.4 [CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-1789
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe 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.
MitigationUpdate the affected package linux to the latest version.
Vulnerable software versionsUbuntu: 18.04 - 20.04
linux-image-generic-lpae (Ubuntu package): before 5.4.0.122.123
linux-image-gke-5.4 (Ubuntu package): before 5.4.0.1078.86
linux-image-kvm (Ubuntu package): before 5.4.0.1071.68
linux-image-lowlatency (Ubuntu package): before 5.4.0.122.123
linux-image-aws-lts-20.04 (Ubuntu package): before 5.4.0.1081.81
linux-image-ibm-lts-20.04 (Ubuntu package): before 5.4.0.1029.58
linux-image-gke (Ubuntu package): before 5.4.0.1078.86
linux-image-5.4.0-1071-kvm (Ubuntu package): before 5.4.0-1071.76
linux-image-gkeop-5.4 (Ubuntu package): before 5.4.0.1049.50
linux-image-azure-lts-20.04 (Ubuntu package): before 5.4.0.1086.83
linux-image-5.4.0-1029-ibm (Ubuntu package): before 5.4.0-1029.33
linux-image-5.4.0-1078-gke (Ubuntu package): before 5.4.0-1078.84
linux-image-5.4.0-1086-azure-fde (Ubuntu package): before 5.4.0-1086.91+cvm1.1
linux-image-oem-osp1 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-ibm (Ubuntu package): before 5.4.0.1029.58
linux-image-5.4.0-1081-aws (Ubuntu package): before 5.4.0-1081.88
linux-image-5.4.0-1049-gkeop (Ubuntu package): before 5.4.0-1049.52
linux-image-oem (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-generic (Ubuntu package): before 5.4.0.122.123
linux-image-azure-fde (Ubuntu package): before 5.4.0.1086.91+cvm1.27
linux-image-virtual (Ubuntu package): before 5.4.0.122.123
linux-image-gkeop (Ubuntu package): before 5.4.0.1049.50
linux-image-azure (Ubuntu package): before 5.4.0.1086.63
linux-image-5.4.0-1086-azure (Ubuntu package): before 5.4.0-1086.91~18.04.1
linux-image-virtual-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-snapdragon-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-lowlatency-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-generic-lpae-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-generic-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-5.4.0-122-lowlatency (Ubuntu package): before 5.4.0-122.138~18.04.1
linux-image-5.4.0-122-generic-lpae (Ubuntu package): before 5.4.0-122.138~18.04.1
linux-image-5.4.0-122-generic (Ubuntu package): before 5.4.0-122.138~18.04.1
External linkshttp://ubuntu.com/security/notices/USN-5514-1
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.
EUVDB-ID: #VU64944
Risk: Low
CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-33981
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe 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.
MitigationUpdate the affected package linux to the latest version.
Vulnerable software versionsUbuntu: 18.04 - 20.04
linux-image-generic-lpae (Ubuntu package): before 5.4.0.122.123
linux-image-gke-5.4 (Ubuntu package): before 5.4.0.1078.86
linux-image-kvm (Ubuntu package): before 5.4.0.1071.68
linux-image-lowlatency (Ubuntu package): before 5.4.0.122.123
linux-image-aws-lts-20.04 (Ubuntu package): before 5.4.0.1081.81
linux-image-ibm-lts-20.04 (Ubuntu package): before 5.4.0.1029.58
linux-image-gke (Ubuntu package): before 5.4.0.1078.86
linux-image-5.4.0-1071-kvm (Ubuntu package): before 5.4.0-1071.76
linux-image-gkeop-5.4 (Ubuntu package): before 5.4.0.1049.50
linux-image-azure-lts-20.04 (Ubuntu package): before 5.4.0.1086.83
linux-image-5.4.0-1029-ibm (Ubuntu package): before 5.4.0-1029.33
linux-image-5.4.0-1078-gke (Ubuntu package): before 5.4.0-1078.84
linux-image-5.4.0-1086-azure-fde (Ubuntu package): before 5.4.0-1086.91+cvm1.1
linux-image-oem-osp1 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-ibm (Ubuntu package): before 5.4.0.1029.58
linux-image-5.4.0-1081-aws (Ubuntu package): before 5.4.0-1081.88
linux-image-5.4.0-1049-gkeop (Ubuntu package): before 5.4.0-1049.52
linux-image-oem (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-generic (Ubuntu package): before 5.4.0.122.123
linux-image-azure-fde (Ubuntu package): before 5.4.0.1086.91+cvm1.27
linux-image-virtual (Ubuntu package): before 5.4.0.122.123
linux-image-gkeop (Ubuntu package): before 5.4.0.1049.50
linux-image-azure (Ubuntu package): before 5.4.0.1086.63
linux-image-5.4.0-1086-azure (Ubuntu package): before 5.4.0-1086.91~18.04.1
linux-image-virtual-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-snapdragon-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-lowlatency-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-generic-lpae-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-generic-hwe-18.04 (Ubuntu package): before 5.4.0.122.138~18.04.102
linux-image-5.4.0-122-lowlatency (Ubuntu package): before 5.4.0-122.138~18.04.1
linux-image-5.4.0-122-generic-lpae (Ubuntu package): before 5.4.0-122.138~18.04.1
linux-image-5.4.0-122-generic (Ubuntu package): before 5.4.0-122.138~18.04.1
External linkshttp://ubuntu.com/security/notices/USN-5514-1
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.