Ubuntu update for linux-aws
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2023-6606 CVE-2023-6931 CVE-2023-6932 |
| CWE-ID | CWE-125 CWE-787 CWE-416 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software |
Ubuntu Operating systems & Components / Operating system linux-image-4.4.0-1165-aws (Ubuntu package) Operating systems & Components / Operating system package or component linux-image-aws (Ubuntu package) Operating systems & Components / Operating system package or component |
| Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Out-of-bounds read
EUVDB-ID: #VU85442
Risk: Low
CVSSv4.0: 4.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2023-6606
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to a boundary condition within the smbCalcSize() function in fs/smb/client/netmisc.c file. A local user can trigger an out-of-bounds read error and gain access to sensitive information or crash the kernel.
MitigationUpdate the affected package linux-aws to the latest version.
Vulnerable software versionsUbuntu: 16.04
linux-image-4.4.0-1165-aws (Ubuntu package): before Ubuntu Pro
linux-image-aws (Ubuntu package): before Ubuntu Pro (Infra-only)
CPE2.3- cpe:2.3:o:canonical:ubuntu:16.04:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:linux-image-4.4.0-1165-aws_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-aws_ubuntu_package:*:*:*:*:*:ubuntu:*:*
https://ubuntu.com/security/notices/USN-6603-1
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.
2) Out-of-bounds write
EUVDB-ID: #VU85021
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-2023-6931
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
Description The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in the Linux kernel's Performance Events system component. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.
Update the affected package linux-aws to the latest version.
Vulnerable software versionsUbuntu: 16.04
linux-image-4.4.0-1165-aws (Ubuntu package): before Ubuntu Pro
linux-image-aws (Ubuntu package): before Ubuntu Pro (Infra-only)
CPE2.3- cpe:2.3:o:canonical:linux-image-4.4.0-1165-aws_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-aws_ubuntu_package:*:*:*:*:*:ubuntu:*:*
https://ubuntu.com/security/notices/USN-6603-1
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: #VU84585
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-2023-6932
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local authenticated user to execute arbitrary code.
The vulnerability exists due to a use-after-free error within the ipv4 igmp component in Linux kernel. A local authenticated user can trigger a use-after-free error and execute arbitrary code.
MitigationUpdate the affected package linux-aws to the latest version.
Vulnerable software versionsUbuntu: 16.04
linux-image-4.4.0-1165-aws (Ubuntu package): before Ubuntu Pro
linux-image-aws (Ubuntu package): before Ubuntu Pro (Infra-only)
CPE2.3- cpe:2.3:o:canonical:linux-image-4.4.0-1165-aws_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:linux-image-aws_ubuntu_package:*:*:*:*:*:ubuntu:*:*
https://ubuntu.com/security/notices/USN-6603-1
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.
