SB2026030952 - Red Hat Enterprise Linux 10 update for kernel



SB2026030952 - Red Hat Enterprise Linux 10 update for kernel

Published: March 9, 2026

Security Bulletin ID SB2026030952
Severity
Low
Patch available
YES
Number of vulnerabilities 6
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 6 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2025-38129)

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

The vulnerability exists due to a use-after-free error within the page_pool_ethtool_stats_get(), page_pool_return_page() and page_pool_scrub() functions in net/core/page_pool.c. A local user can escalate privileges on the system.


2) Use-after-free (CVE-ID: CVE-2025-38289)

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

The vulnerability exists due to a use-after-free error within the lpfc_dev_loss_tmo_callbk() function in drivers/scsi/lpfc/lpfc_hbadisc.c. A local user can escalate privileges on the system.


3) Use-after-free (CVE-ID: CVE-2025-38349)

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

The vulnerability exists due to a use-after-free error within the __ep_remove() and ep_clear_and_put() functions in fs/eventpoll.c. A local user can escalate privileges on the system.


4) Improper locking (CVE-ID: CVE-2025-38703)

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

The vulnerability exists due to improper locking within the xe_hw_fence_irq_finish() function in drivers/gpu/drm/xe/xe_hw_fence.c, within the __guc_exec_queue_fini_async() and guc_exec_queue_init() functions in drivers/gpu/drm/xe/xe_guc_submit.c. A local user can perform a denial of service (DoS) attack.


5) Use-after-free (CVE-ID: CVE-2025-40064)

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

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


6) Use-after-free (CVE-ID: CVE-2025-40168)

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

The vulnerability exists due to a use-after-free error within the smc_clc_prfx_match6_rcu() function in net/smc/smc_clc.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.