SB2026012654 - Red Hat Enterprise Linux 10 update for kernel
Published: January 26, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 7 secuirty vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2025-21815)
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 isolate_freepages_block() function in mm/compaction.c. A local user can perform a denial of service (DoS) attack.
2) Input validation error (CVE-ID: CVE-2025-37789)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the validate_set() function in net/openvswitch/flow_netlink.c. A local user can perform a denial of service (DoS) attack.
3) Out-of-bounds read (CVE-ID: CVE-2025-37761)
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 xe_gt_tlb_invalidation_ggtt() and xe_gt_tlb_invalidation_range() functions in drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c. A local user can perform a denial of service (DoS) attack.
4) Double free (CVE-ID: CVE-2025-37819)
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 gicv2m_of_init() function in drivers/irqchip/irq-gic-v2m.c. A local user can perform a denial of service (DoS) attack.
5) Buffer overflow (CVE-ID: CVE-2025-37891)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the include/sound/ump_convert.h. A local user can escalate privileges on the system.
6) Out-of-bounds read (CVE-ID: CVE-2025-40154)
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 log_quirks() function in sound/soc/intel/boards/bytcr_rt5640.c. A local user can perform a denial of service (DoS) attack.
7) Out-of-bounds read (CVE-ID: CVE-2025-40277)
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 vmw_cmd_check() function in drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.