SB2025091057 - Red Hat Enterprise Linux 8 update for kernel
Published: September 10, 2025 Updated: February 6, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 secuirty vulnerabilities.
1) 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.
2) 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.
3) 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.
4) 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.
5) 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.