SB2025111240 - Red Hat Enterprise Linux 7 Extended Lifecycle Support update for kernel-rt 



SB2025111240 - Red Hat Enterprise Linux 7 Extended Lifecycle Support update for kernel-rt

Published: November 12, 2025

Security Bulletin ID SB2025111240
Severity
Low
Patch available
YES
Number of vulnerabilities 6
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 6 secuirty vulnerabilities.


1) Resource management error (CVE-ID: CVE-2022-48978)

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

The vulnerability exists due to resource management error within the snto32() function in drivers/hid/hid-core.c. A local user can perform a denial of service (DoS) attack.


2) Buffer overflow (CVE-ID: CVE-2025-22026)

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

The vulnerability exists due to memory corruption within the nfsd_show() function in fs/nfsd/stats.c, within the nfsd_net_init() function in fs/nfsd/nfsctl.c. A local user can perform a denial of service (DoS) attack.


3) Input validation error (CVE-ID: CVE-2025-37797)

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

The vulnerability exists due to improper input validation within the hfsc_change_class() function in net/sched/sch_hfsc.c. A local user can perform a denial of service (DoS) attack.


4) Out-of-bounds read (CVE-ID: CVE-2025-38556)

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 snto32() function in drivers/hid/hid-core.c. A local user can perform a denial of service (DoS) attack.


5) Buffer overflow (CVE-ID: CVE-2025-39751)

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

The vulnerability exists due to memory corruption within the add_tuning_control() function in sound/pci/hda/patch_ca0132.c. A local user can escalate privileges on the system.


6) Use-after-free (CVE-ID: CVE-2023-53373)

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

The vulnerability exists due to a use-after-free error within the seqiv_aead_encrypt_complete2() function in crypto/seqiv.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.