SB20250908105 - Red Hat Enterprise Linux 10 update for kernel
Published: September 8, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2025-22097)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the vkms_init() and vkms_destroy() functions in drivers/gpu/drm/vkms/vkms_drv.c. A local user can escalate privileges on the system.
2) Buffer overflow (CVE-ID: CVE-2025-37803)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the udmabuf_create() function in drivers/dma-buf/udmabuf.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.
4) Improper locking (CVE-ID: CVE-2025-38449)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the drm_gem_fb_destroy() and drm_gem_fb_init_with_funcs() functions in drivers/gpu/drm/drm_gem_framebuffer_helper.c, within the drm_gem_private_object_fini(), drm_gem_object_exported_dma_buf_free(), drm_gem_object_handle_put_unlocked() and drm_gem_handle_create_tail() functions in drivers/gpu/drm/drm_gem.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.