SB2025073175 - Ubuntu update for linux-oracle-6.8



SB2025073175 - Ubuntu update for linux-oracle-6.8

Published: July 31, 2025

Security Bulletin ID SB2025073175
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Race condition (CVE-ID: CVE-2025-38083)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition within the prio_tune() function in net/sched/sch_prio.c. A local user can escalate privileges on the system.


2) Input validation error (CVE-ID: CVE-2025-37797)

CWE-ID: CWE-20 - Improper input validation

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 due to improper input validation within the hfsc_change_class() function in net/sched/sch_hfsc.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.