Vulnerability identifier: #VU78928
Vulnerability risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-787
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: Linux Foundation
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the TUN/TAP device driver in Linux kernel. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Linux kernel: All versions
External links
http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=363a5328f4b0
http://bugzilla.redhat.com/show_bug.cgi?id=2224048
http://access.redhat.com/security/cve/CVE-2023-3812
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.