Risk | Low |
Patch available | YES |
Number of vulnerabilities | 4 |
CVE-ID | CVE-2023-20588 CVE-2023-40283 CVE-2023-4128 CVE-2023-4569 |
CWE-ID | CWE-369 CWE-416 CWE-401 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software |
Ubuntu Operating systems & Components / Operating system linux-image-intel (Ubuntu package) Other linux-image-intel-iotg (Ubuntu package) Other linux-image-oracle-lts-22.04 (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-5.15.0-1044-oracle (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-5.15.0-1040-intel-iotg (Ubuntu package) Operating systems & Components / Operating system package or component |
Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains information about 4 vulnerabilities.
EUVDB-ID: #VU79239
Risk: Low
CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2023-20588
CWE-ID:
CWE-369 - Divide By Zero
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to a divide by zero error that can return speculative data. A local user can gain access to potentially sensitive information.
Update the affected package linux-intel-iotg to the latest version.
Vulnerable software versionsUbuntu: 20.04 - 22.04
linux-image-intel (Ubuntu package): before 5.15.0.1040.46~20.04.31
linux-image-oracle-lts-22.04 (Ubuntu package): before 5.15.0.1044.39
linux-image-oracle (Ubuntu package): before 5.15.0.1044.39
linux-image-intel-iotg (Ubuntu package): before 5.15.0.1040.40
linux-image-5.15.0-1044-oracle (Ubuntu package): before 5.15.0-1044.50~20.04.1
linux-image-5.15.0-1040-intel-iotg (Ubuntu package): before 5.15.0-1040.46~20.04.1
CPE2.3https://ubuntu.com/security/notices/USN-6386-3
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: #VU79714
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-2023-40283
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 within the l2cap_sock_release() function in net/bluetooth/l2cap_sock.c. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
Update the affected package linux-intel-iotg to the latest version.
Vulnerable software versionsUbuntu: 20.04 - 22.04
linux-image-intel (Ubuntu package): before 5.15.0.1040.46~20.04.31
linux-image-oracle-lts-22.04 (Ubuntu package): before 5.15.0.1044.39
linux-image-oracle (Ubuntu package): before 5.15.0.1044.39
linux-image-intel-iotg (Ubuntu package): before 5.15.0.1040.40
linux-image-5.15.0-1044-oracle (Ubuntu package): before 5.15.0-1044.50~20.04.1
linux-image-5.15.0-1040-intel-iotg (Ubuntu package): before 5.15.0-1040.46~20.04.1
CPE2.3https://ubuntu.com/security/notices/USN-6386-3
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: #VU79486
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-2023-4128
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 within net/sched/cls_fw.c in classifiers (cls_fw, cls_u32, and cls_route) in the Linux Kernel. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
Update the affected package linux-intel-iotg to the latest version.
Vulnerable software versionsUbuntu: 20.04 - 22.04
linux-image-intel (Ubuntu package): before 5.15.0.1040.46~20.04.31
linux-image-oracle-lts-22.04 (Ubuntu package): before 5.15.0.1044.39
linux-image-oracle (Ubuntu package): before 5.15.0.1044.39
linux-image-intel-iotg (Ubuntu package): before 5.15.0.1040.40
linux-image-5.15.0-1044-oracle (Ubuntu package): before 5.15.0-1044.50~20.04.1
linux-image-5.15.0-1040-intel-iotg (Ubuntu package): before 5.15.0-1040.46~20.04.1
CPE2.3https://ubuntu.com/security/notices/USN-6386-3
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: #VU80584
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-2023-4569
CWE-ID:
CWE-401 - Missing release of memory after effective lifetime
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform DoS attack on the target system.
The vulnerability exists due memory leak within the nft_set_catchall_flush() function in net/netfilter/nf_tables_api.c. A local user can perform a denial of service attack.
MitigationUpdate the affected package linux-intel-iotg to the latest version.
Vulnerable software versionsUbuntu: 20.04 - 22.04
linux-image-intel (Ubuntu package): before 5.15.0.1040.46~20.04.31
linux-image-oracle-lts-22.04 (Ubuntu package): before 5.15.0.1044.39
linux-image-oracle (Ubuntu package): before 5.15.0.1044.39
linux-image-intel-iotg (Ubuntu package): before 5.15.0.1040.40
linux-image-5.15.0-1044-oracle (Ubuntu package): before 5.15.0-1044.50~20.04.1
linux-image-5.15.0-1040-intel-iotg (Ubuntu package): before 5.15.0-1040.46~20.04.1
CPE2.3https://ubuntu.com/security/notices/USN-6386-3
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.