SB2025091106 - Red Hat Enterprise Linux 9 update for kernel
Published: September 11, 2025 Updated: February 6, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 10 secuirty vulnerabilities.
1) Buffer overflow (CVE-ID: CVE-2024-42094)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the iucv_setmask_mp() and iucv_cpu_online() functions in net/iucv/iucv.c. A local user can escalate privileges on the system.
2) Memory leak (CVE-ID: CVE-2024-50102)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the IS_ENABLED() function in arch/x86/lib/getuser.S, within the RUNTIME_CONST() function in arch/x86/kernel/vmlinux.lds.S, within the arch_cpu_finalize_init() function in arch/x86/kernel/cpu/common.c. A local user can perform a denial of service (DoS) attack.
3) 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.
4) Use-after-free (CVE-ID: CVE-2025-37914)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the cl_is_active() and ets_qdisc_enqueue() functions in net/sched/sch_ets.c. A local user can escalate privileges on the system.
5) Buffer overflow (CVE-ID: CVE-2025-38085)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the huge_pmd_unshare() function in mm/hugetlb.c. A local user can perform a denial of service (DoS) attack.
6) Out-of-bounds read (CVE-ID: CVE-2025-38159)
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 rtw_coex_tdma_timer_base() function in drivers/net/wireless/realtek/rtw88/coex.c. A local user can perform a denial of service (DoS) attack.
7) Use-after-free (CVE-ID: CVE-2025-38250)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the DEFINE_IDA(), hci_dev_get(), hci_dev_do_reset(), hci_dev_reset(), hci_alloc_dev_priv() and hci_unregister_dev() functions in net/bluetooth/hci_core.c. A local user can escalate privileges on the system.
8) Buffer overflow (CVE-ID: CVE-2025-38332)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the lpfc_sli4_get_ctl_attr() function in drivers/scsi/lpfc/lpfc_sli.c. A local user can escalate privileges on the system.
9) Race condition (CVE-ID: CVE-2025-38352)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition within the run_posix_cpu_timers() function in kernel/time/posix-cpu-timers.c. A local user can escalate privileges on the system.
Note, the vulnerability is being actively exploited in the wild against Android devices.
10) Use-after-free (CVE-ID: CVE-2025-38464)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the tipc_topsrv_stop() function in net/tipc/topsrv.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.