SB2017051305 - Improper Resource Shutdown or Release in Debian Linux
Published: May 13, 2017 Updated: August 8, 2020
Security Bulletin ID
SB2017051305
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Resource Shutdown or Release (CVE-ID: CVE-2017-8925)
CWE-ID: CWE-404 - Improper Resource Shutdown or Release
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.
The omninet_open function in drivers/usb/serial/omninet.c in the Linux kernel before 4.10.4 allows local users to cause a denial of service (tty exhaustion) by leveraging reference count mishandling.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=30572418b445d85fcfe6c8fe84c947d2606767d8
- http://www.debian.org/security/2017/dsa-3886
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.4
- http://www.securityfocus.com/bid/98462
- https://github.com/torvalds/linux/commit/30572418b445d85fcfe6c8fe84c947d2606767d8