SB2025101311 - Red Hat Enterprise Linux 9 update for kernel
Published: October 13, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 6 secuirty vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2025-37810)
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 dwc3_check_event_buf() function in drivers/usb/dwc3/gadget.c. A local user can perform a denial of service (DoS) attack.
2) Integer underflow (CVE-ID: CVE-2025-38200)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to integer underflow within the i40e_pf_reset() function in drivers/net/ethernet/intel/i40e/i40e_common.c. A local user can execute arbitrary code.
3) Improper locking (CVE-ID: CVE-2025-38461)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the EXPORT_SYMBOL_GPL() and vsock_assign_transport() functions in net/vmw_vsock/af_vsock.c. A local user can perform a denial of service (DoS) attack.
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.
5) Use-after-free (CVE-ID: CVE-2025-38472)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the nf_ct_resolve_clash_harder(), __nf_conntrack_confirm() and __nf_conntrack_insert_prepare() functions in net/netfilter/nf_conntrack_core.c. A local user can escalate privileges on the system.
6) Use-after-free (CVE-ID: CVE-2025-38527)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the cifs_oplock_break() and cifs_put_tlink() functions in fs/smb/client/file.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.