SB2026080407 - Red Hat Enterprise Linux 10 update for kernel
Published: August 4, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) NULL pointer dereference (CVE-ID: CVE-2025-68214)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the __try_to_del_timer_sync() function in kernel/time/timer.c. A local user can perform a denial of service (DoS) attack.
2) Improper locking (CVE-ID: CVE-2026-23199)
CWE-ID: CWE-667 - Improper Locking
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the get_build_id_64(), __build_id_parse() and build_id_parse_nofault() functions in lib/buildid.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.