SB2017110318 - Fedora 26 update for kernel
Published: November 3, 2017 Updated: April 24, 2025
Security Bulletin ID
SB2017110318
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) NULL pointer derefenrece (CVE-ID: CVE-2017-12193)
CWE-ID: CWE-476 - NULL Pointer Dereference
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 user to perform a denial of service (DoS) attack.
The vulnerability exists in the assoc_array implementation in which a new leaf is added that needs to go into a node that happens to be full. A local user can trigger NULL pointer dereference error and crash the kernel.
Remediation
Install update from vendor's website.