SB2026011481 - Red Hat Enterprise Linux 8 update for kernel

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Main Vulnerability Database SB2026011481

SB2026011481 - Red Hat Enterprise Linux 8 update for kernel

Published: January 14, 2026

Security Bulletin ID SB2026011481
Severity
Low
Patch available
YES
Number of vulnerabilities 8
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 8 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2025-38724)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the nfsd4_setclientid_confirm() function in fs/nfsd/nfs4state.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-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.


4) 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.


5) Memory leak (CVE-ID: CVE-2022-50543)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the rxe_mr_alloc() and rxe_mr_init_user() functions in drivers/infiniband/sw/rxe/rxe_mr.c. A local user can perform a denial of service (DoS) attack.


6) 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.


7) 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.


8) 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.

References