Risk | Low |
Patch available | YES |
Number of vulnerabilities | 3 |
CVE-ID | CVE-2022-2196 CVE-2023-1032 CVE-2023-1281 |
CWE-ID | CWE-665 CWE-415 CWE-416 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
Ubuntu Operating systems & Components / Operating system linux-image-oem-22.04b (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-6.0.0-1013-oem (Ubuntu package) Operating systems & Components / Operating system package or component |
Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
EUVDB-ID: #VU74019
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-2196
CWE-ID:
CWE-665 - Improper Initialization
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper initialization within nVMX in Linux kernel. A local user can perform speculative execution attacks and escalate privileges on the system.
Update the affected package linux-oem-6.0 to the latest version.
Vulnerable software versionsUbuntu: 22.04
linux-image-oem-22.04b (Ubuntu package): before 6.0.0.1013.13
linux-image-6.0.0-1013-oem (Ubuntu package): before 6.0.0-1013.13
External linkshttp://ubuntu.com/security/notices/USN-5977-1
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: #VU73267
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-2023-1032
CWE-ID:
CWE-415 - Double Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error when handling the IORING_OP_SOCKET operation with io_uring in Linux kernel. A local user can trigger a double free error and crash the kernel.
Update the affected package linux-oem-6.0 to the latest version.
Vulnerable software versionsUbuntu: 22.04
linux-image-oem-22.04b (Ubuntu package): before 6.0.0.1013.13
linux-image-6.0.0-1013-oem (Ubuntu package): before 6.0.0-1013.13
External linkshttp://ubuntu.com/security/notices/USN-5977-1
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: #VU74122
Risk: Low
CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-1281
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 Linux kernel traffic control index filter (tcindex) when the tcf_exts_exec() function is called with the destroyed tcf_ext. A local user attacker can trigger a use-after-free error and execute arbitrary code with elevated privileges.
Update the affected package linux-oem-6.0 to the latest version.
Vulnerable software versionsUbuntu: 22.04
linux-image-oem-22.04b (Ubuntu package): before 6.0.0.1013.13
linux-image-6.0.0-1013-oem (Ubuntu package): before 6.0.0-1013.13
External linkshttp://ubuntu.com/security/notices/USN-5977-1
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.