SB2026040642 - Red Hat Enterprise Linux 10 update for kernel

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Main Vulnerability Database SB2026040642

SB2026040642 - Red Hat Enterprise Linux 10 update for kernel

Published: April 6, 2026

Security Bulletin ID SB2026040642
Severity
Low
Patch available
YES
Number of vulnerabilities 7
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 7 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2025-38109)

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

The vulnerability exists due to a use-after-free error within the mlx5_eswitch_enable_pf_vf_vports() and mlx5_eswitch_disable_pf_vf_vports() functions in drivers/net/ethernet/mellanox/mlx5/core/eswitch.c. A local user can escalate privileges on the system.


2) Memory leak (CVE-ID: CVE-2026-23144)

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

The vulnerability exists due to memory leak within the damon_sysfs_context_add_dirs() function in mm/damon/sysfs.c. A local user can perform a denial of service (DoS) attack.


3) Use-after-free (CVE-ID: CVE-2026-23171)

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

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


4) Use-after-free (CVE-ID: CVE-2026-23193)

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

The vulnerability exists due to a use-after-free error within the iscsit_dec_session_usage_count() function in drivers/target/iscsi/iscsi_target_util.c. A local user can escalate privileges on the system.


5) Use-after-free (CVE-ID: CVE-2026-23209)

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

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


6) Out-of-bounds read (CVE-ID: CVE-2026-23204)

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

The vulnerability exists due to an out-of-bounds read error within the u32_classify() function in net/sched/cls_u32.c. A local user can perform a denial of service (DoS) attack.


7) Use-after-free (CVE-ID: CVE-2026-23191)

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

The vulnerability exists due to a use-after-free error within the is_access_interleaved() and loopback_check_format() functions in sound/drivers/aloop.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.

References