Authorization bypass in Linux kernel
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-16597 |
| CWE-ID | CWE-863 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Linux kernel Operating systems & Components / Operating system |
| Vendor | Linux Foundation |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Authorization bypass
EUVDB-ID: #VU28412
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-16597
CWE-ID:
CWE-863 - Incorrect Authorization
Exploit availability: No
DescriptionThe vulnerability allows a local authenticated user to manipulate data.
An issue was discovered in the Linux kernel before 4.8. Incorrect access checking in overlayfs mounts could be used by local attackers to modify or truncate files in the underlying filesystem.
MitigationInstall update from vendor's website.
Vulnerable software versionsLinux kernel: 4.4 - 4.4.213
External linkshttp://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.214
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.
