SB2025082501 - Red Hat Enterprise Linux 7 update for kernel

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Main Vulnerability Database SB2025082501

SB2025082501 - Red Hat Enterprise Linux 7 update for kernel

Published: August 25, 2025

Security Bulletin ID SB2025082501
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2025-38000)

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

The vulnerability exists due to a use-after-free error within the hfsc_enqueue() function in net/sched/sch_hfsc.c. A local user can escalate privileges on the system.


2) Input validation error (CVE-ID: CVE-2025-38177)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the eltree_insert() and hfsc_qlen_notify() functions in net/sched/sch_hfsc.c. A local user can perform a denial of service (DoS) attack.


3) Use-after-free (CVE-ID: CVE-2025-38350)

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

The vulnerability exists due to a use-after-free error within the qdisc_alloc_handle() and qdisc_tree_reduce_backlog() functions in net/sched/sch_api.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.

References