Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU84585
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-2023-6932
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 to the latest version.
Vulnerable software versionsUbuntu: 14.04
linux-image-3.13.0-195-lowlatency (Ubuntu package): before Ubuntu Pro
linux-image-3.13.0-195-generic (Ubuntu package): before Ubuntu Pro
linux-image-generic-lts-trusty (Ubuntu package): before Ubuntu Pro
linux-image-server (Ubuntu package): before Ubuntu Pro
linux-image-lowlatency (Ubuntu package): before Ubuntu Pro (Infra-only)
linux-image-generic (Ubuntu package): before Ubuntu Pro (Infra-only)
linux-image-virtual (Ubuntu package): before Ubuntu Pro (Infra-only)
External linkshttp://ubuntu.com/security/notices/USN-6601-1
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.