Ubuntu update for linux
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2023-0386 CVE-2023-1829 |
| CWE-ID | CWE-264 CWE-416 |
| Exploitation vector | Local |
| Public exploit |
Public exploit code for vulnerability #1 is available. Public exploit code for vulnerability #2 is available. |
| Vulnerable software |
Ubuntu Operating systems & Components / Operating system linux-image-raspi (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-lowlatency-64k (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-generic-lpae-hwe-22.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-generic-hwe-22.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-generic-64k-hwe-22.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-virtual-hwe-22.04 (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-lowlatency (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-generic (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-generic-lpae (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.19.0-1022-gcp (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.19.0-1024-aws (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-kvm (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.19.0-1022-oracle (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-oracle (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.19.0-1023-lowlatency-64k (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.19.0-1021-ibm (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.19.0-1017-raspi-nolpae (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.19.0-41-generic (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-raspi-nolpae (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.19.0-41-generic-lpae (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-azure (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.19.0-1023-lowlatency (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.19.0-1017-raspi (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-ibm (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.19.0-1025-azure (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.19.0-1022-kvm (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-aws (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-generic-64k (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-virtual (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.19.0-41-generic-64k (Ubuntu package) Operating systems & Components / Operating system package or component |
| Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU74410
Risk: Low
CVSSv4.0: 8.5 [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:A/U:Clear]
CVE-ID: CVE-2023-0386
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: Yes
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to unauthorized access to execution of setuid files in OverlayFS subsystem when copying a capable file from a nosuid mount into another mount. A local user can execute arbitrary code with root privileges.
Update the affected package linux to the latest version.
Vulnerable software versionsUbuntu: 22.04 - 22.10
linux-image-raspi (Ubuntu package): before 5.19.0.1017.16
linux-image-lowlatency-64k (Ubuntu package): before 5.19.0.1023.19
linux-image-generic-lpae-hwe-22.04 (Ubuntu package): before 5.19.0.41.42~22.04.14
linux-image-generic-hwe-22.04 (Ubuntu package): before 5.19.0.41.42~22.04.14
linux-image-generic-64k-hwe-22.04 (Ubuntu package): before 5.19.0.41.42~22.04.14
linux-image-virtual-hwe-22.04 (Ubuntu package): before 5.19.0.41.42~22.04.14
linux-image-lowlatency (Ubuntu package): before 5.19.0.1023.19
linux-image-generic (Ubuntu package): before 5.19.0.41.37
linux-image-generic-lpae (Ubuntu package): before 5.19.0.41.37
linux-image-5.19.0-1022-gcp (Ubuntu package): before 5.19.0-1022.24
linux-image-5.19.0-1024-aws (Ubuntu package): before 5.19.0-1024.25
linux-image-kvm (Ubuntu package): before 5.19.0.1022.19
linux-image-5.19.0-1022-oracle (Ubuntu package): before 5.19.0-1022.25
linux-image-oracle (Ubuntu package): before 5.19.0.1022.18
linux-image-5.19.0-1023-lowlatency-64k (Ubuntu package): before 5.19.0-1023.24
linux-image-5.19.0-1021-ibm (Ubuntu package): before 5.19.0-1021.23
linux-image-5.19.0-1017-raspi-nolpae (Ubuntu package): before 5.19.0-1017.24
linux-image-5.19.0-41-generic (Ubuntu package): before 5.19.0-41.42~22.04.1
linux-image-raspi-nolpae (Ubuntu package): before 5.19.0.1017.16
linux-image-5.19.0-41-generic-lpae (Ubuntu package): before 5.19.0-41.42~22.04.1
linux-image-azure (Ubuntu package): before 5.19.0.1025.20
linux-image-5.19.0-1023-lowlatency (Ubuntu package): before 5.19.0-1023.24
linux-image-5.19.0-1017-raspi (Ubuntu package): before 5.19.0-1017.24
linux-image-ibm (Ubuntu package): before 5.19.0.1021.18
linux-image-5.19.0-1025-azure (Ubuntu package): before 5.19.0-1025.28
linux-image-5.19.0-1022-kvm (Ubuntu package): before 5.19.0-1022.23
linux-image-gcp (Ubuntu package): before 5.19.0.1022.18
linux-image-aws (Ubuntu package): before 5.19.0.1024.21
linux-image-generic-64k (Ubuntu package): before 5.19.0.41.37
linux-image-virtual (Ubuntu package): before 5.19.0.41.37
linux-image-5.19.0-41-generic-64k (Ubuntu package): before 5.19.0-41.42~22.04.1
CPE2.3- cpe:2.3:o:canonical:ubuntu:22.04:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu:22.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:linux-image-raspi_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-lowlatency-64k_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-generic-lpae-hwe-22.04_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-generic-hwe-22.04_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-generic-64k-hwe-22.04_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-virtual-hwe-22.04_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-lowlatency_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-generic_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-generic-lpae_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-1022-gcp_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-1024-aws_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-kvm_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-1022-oracle_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-oracle_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-1023-lowlatency-64k_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-1021-ibm_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-1017-raspi-nolpae_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-41-generic_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-raspi-nolpae_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-41-generic-lpae_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-azure_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-1023-lowlatency_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-1017-raspi_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-ibm_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-1025-azure_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-1022-kvm_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-gcp_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-aws_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-generic-64k_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-virtual_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-41-generic-64k_ubuntu_package:*:*:*:*:*:ubuntu:*:*
https://ubuntu.com/security/notices/USN-6043-1
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, a fully functional exploit for this vulnerability is available.
2) Use-after-free
EUVDB-ID: #VU75448
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-2023-1829
CWE-ID:
CWE-416 - Use After Free
Exploit availability: Yes
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the tcindex_delete() function. A local user can trigger a use-after-free error and execute arbitrary code with root privileges.
Update the affected package linux to the latest version.
Vulnerable software versionsUbuntu: 22.04 - 22.10
linux-image-raspi (Ubuntu package): before 5.19.0.1017.16
linux-image-lowlatency-64k (Ubuntu package): before 5.19.0.1023.19
linux-image-generic-lpae-hwe-22.04 (Ubuntu package): before 5.19.0.41.42~22.04.14
linux-image-generic-hwe-22.04 (Ubuntu package): before 5.19.0.41.42~22.04.14
linux-image-generic-64k-hwe-22.04 (Ubuntu package): before 5.19.0.41.42~22.04.14
linux-image-virtual-hwe-22.04 (Ubuntu package): before 5.19.0.41.42~22.04.14
linux-image-lowlatency (Ubuntu package): before 5.19.0.1023.19
linux-image-generic (Ubuntu package): before 5.19.0.41.37
linux-image-generic-lpae (Ubuntu package): before 5.19.0.41.37
linux-image-5.19.0-1022-gcp (Ubuntu package): before 5.19.0-1022.24
linux-image-5.19.0-1024-aws (Ubuntu package): before 5.19.0-1024.25
linux-image-kvm (Ubuntu package): before 5.19.0.1022.19
linux-image-5.19.0-1022-oracle (Ubuntu package): before 5.19.0-1022.25
linux-image-oracle (Ubuntu package): before 5.19.0.1022.18
linux-image-5.19.0-1023-lowlatency-64k (Ubuntu package): before 5.19.0-1023.24
linux-image-5.19.0-1021-ibm (Ubuntu package): before 5.19.0-1021.23
linux-image-5.19.0-1017-raspi-nolpae (Ubuntu package): before 5.19.0-1017.24
linux-image-5.19.0-41-generic (Ubuntu package): before 5.19.0-41.42~22.04.1
linux-image-raspi-nolpae (Ubuntu package): before 5.19.0.1017.16
linux-image-5.19.0-41-generic-lpae (Ubuntu package): before 5.19.0-41.42~22.04.1
linux-image-azure (Ubuntu package): before 5.19.0.1025.20
linux-image-5.19.0-1023-lowlatency (Ubuntu package): before 5.19.0-1023.24
linux-image-5.19.0-1017-raspi (Ubuntu package): before 5.19.0-1017.24
linux-image-ibm (Ubuntu package): before 5.19.0.1021.18
linux-image-5.19.0-1025-azure (Ubuntu package): before 5.19.0-1025.28
linux-image-5.19.0-1022-kvm (Ubuntu package): before 5.19.0-1022.23
linux-image-gcp (Ubuntu package): before 5.19.0.1022.18
linux-image-aws (Ubuntu package): before 5.19.0.1024.21
linux-image-generic-64k (Ubuntu package): before 5.19.0.41.37
linux-image-virtual (Ubuntu package): before 5.19.0.41.37
linux-image-5.19.0-41-generic-64k (Ubuntu package): before 5.19.0-41.42~22.04.1
CPE2.3- cpe:2.3:o:canonical:linux-image-raspi_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-lowlatency-64k_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-generic-lpae-hwe-22.04_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-generic-hwe-22.04_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-generic-64k-hwe-22.04_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-virtual-hwe-22.04_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-lowlatency_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-generic_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-generic-lpae_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-1022-gcp_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-1024-aws_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-kvm_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-1022-oracle_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-oracle_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-1023-lowlatency-64k_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-1021-ibm_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-1017-raspi-nolpae_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-41-generic_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-raspi-nolpae_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-41-generic-lpae_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-azure_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-1023-lowlatency_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-1017-raspi_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-ibm_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-1025-azure_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-1022-kvm_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-gcp_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-aws_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-generic-64k_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-virtual_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-5.19.0-41-generic-64k_ubuntu_package:*:*:*:*:*:ubuntu:*:*
https://ubuntu.com/security/notices/USN-6043-1
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.
