SB2025092923 - Red Hat Enterprise Linux 10 update for kernel
Published: September 29, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 6 secuirty vulnerabilities.
1) Buffer overflow (CVE-ID: CVE-2025-38396)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the secretmem_file_create() function in mm/secretmem.c, within the anon_inode_make_secure_inode() and __anon_inode_getfile() functions in fs/anon_inodes.c. A local user can perform a denial of service (DoS) attack.
2) Use-after-free (CVE-ID: CVE-2025-38527)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the cifs_oplock_break() and cifs_put_tlink() functions in fs/smb/client/file.c. A local user can escalate privileges on the system.
3) Improper error handling (CVE-ID: CVE-2025-38523)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the allocate_caches_and_workqueue() function in fs/smb/client/smbdirect.c. A local user can perform a denial of service (DoS) attack.
4) Memory leak (CVE-ID: CVE-2025-39682)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the decrypt_skb() and tls_sw_recvmsg() functions in net/tls/tls_sw.c. A local user can perform a denial of service (DoS) attack.
5) Use-after-free (CVE-ID: CVE-2025-39698)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the io_futex_wait() function in io_uring/futex.c. A local user can execute arbitrary code with elevated privileges.
6) Improper error handling (CVE-ID: CVE-2025-39694)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the sclpint_to_sccb(), __sclp_find_req() and sclp_interrupt_handler() functions in drivers/s390/char/sclp.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.