SB2026033045 - Red Hat Enterprise Linux 10 update for kernel



SB2026033045 - Red Hat Enterprise Linux 10 update for kernel

Published: March 30, 2026

Security Bulletin ID SB2026033045
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) Memory leak (CVE-ID: CVE-2025-37849)

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

The vulnerability exists due to memory leak within the kvm_arch_vcpu_create() function in arch/arm64/kvm/arm.c. A local user can perform a denial of service (DoS) attack.


2) Use-after-free (CVE-ID: CVE-2025-38141)

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

The vulnerability exists due to a use-after-free error within the dm_blk_report_zones() and dm_revalidate_zones() functions in drivers/md/dm-zone.c. A local user can escalate privileges on the system.


3) Use-after-free (CVE-ID: CVE-2025-38248)

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

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


4) Double free (CVE-ID: CVE-2025-40096)

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

The vulnerability exists due to a double free error within the drm_sched_job_add_implicit_dependencies() function in drivers/gpu/drm/scheduler/sched_main.c. A local user can perform a denial of service (DoS) attack.


5) Buffer overflow (CVE-ID: CVE-2025-68349)

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

The vulnerability exists due to memory corruption within the pnfs_mark_layout_stateid_invalid() function in fs/nfs/pnfs.c. A local user can perform a denial of service (DoS) attack.


6) Resource management error (CVE-ID: CVE-2025-71085)

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

The vulnerability exists due to resource management error within the calipso_skbuff_setattr() function in net/ipv6/calipso.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.