SB2026011483 - Red Hat Enterprise Linux 8 update for kernel
Published: January 14, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 12 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2025-38051)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the find_cifs_entry() function in fs/cifs/readdir.c. A local user can escalate privileges on the system.
2) Race condition (CVE-ID: CVE-2025-39825)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition within the cifs_rename2() function in fs/smb/client/inode.c. A local user can escalate privileges on the system.
3) Buffer overflow (CVE-ID: CVE-2025-39817)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the efivarfs_d_compare() function in fs/efivarfs/super.c. A local user can perform a denial of service (DoS) attack.
4) Use-after-free (CVE-ID: CVE-2023-53401)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the mod_objcg_state(), consume_obj_stock(), drain_obj_stock() and refill_obj_stock() functions in mm/memcontrol.c. A local user can escalate privileges on the system.
5) Improper error handling (CVE-ID: CVE-2025-39883)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the unpoison_memory() function in mm/memory-failure.c. A local user can perform a denial of service (DoS) attack.
6) Input validation error (CVE-ID: CVE-2025-39898)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the e1000_set_eeprom() function in drivers/net/ethernet/intel/e1000e/ethtool.c. A local user can perform a denial of service (DoS) attack.
7) Buffer overflow (CVE-ID: CVE-2023-53513)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the nbd_set_size() and nbd_add_socket() functions in drivers/block/nbd.c. A local user can perform a denial of service (DoS) attack.
8) Out-of-bounds read (CVE-ID: CVE-2023-53680)
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 nfsd4_decode_compound() function in fs/nfsd/nfs4xdr.c. A local user can perform a denial of service (DoS) attack.
9) Out-of-bounds read (CVE-ID: CVE-2023-53675)
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 ses_enclosure_data_process() function in drivers/scsi/ses.c. A local user can perform a denial of service (DoS) attack.
10) Use-after-free (CVE-ID: CVE-2025-39993)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the display_open(), send_packet(), vfd_write(), lcd_write() and imon_disconnect() functions in drivers/media/rc/imon.c. A local user can escalate privileges on the system.
11) Out-of-bounds read (CVE-ID: CVE-2023-53705)
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 ipv6_find_tlv() function in net/ipv6/exthdrs_core.c. A local user can perform a denial of service (DoS) attack.
12) Use-after-free (CVE-ID: CVE-2025-68285)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the monmap_show() and osdmap_show() functions in net/ceph/debugfs.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.