SB2025102044 - Red Hat Enterprise Linux 10 update for kernel
Published: October 20, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 6 vulnerabilities.
1) Input validation error (CVE-ID: CVE-2025-38351)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 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/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the kvm_hv_vcpu_flush_tlb() function in arch/x86/kvm/hyperv.c. A local user can perform a denial of service (DoS) attack.
2) Incorrect calculation (CVE-ID: CVE-2025-38571)
CWE-ID: CWE-682 - Incorrect Calculation
CVSSv4: 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/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect calculation within the xs_alloc_sparse_pages(), xs_sock_process_cmsg(), xs_sock_recvmsg() and xs_read_discard() functions in net/sunrpc/xprtsock.c. A local user can perform a denial of service (DoS) attack.
3) Infinite loop (CVE-ID: CVE-2025-38614)
CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
CVSSv4: 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/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the ep_poll() and ep_loop_check_proc() functions in fs/eventpoll.c. A local user can perform a denial of service (DoS) attack.
4) Integer overflow (CVE-ID: CVE-2025-38572)
CWE-ID: CWE-190 - Integer overflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to integer overflow within the ipv6_gso_segment() function in net/ipv6/ip6_offload.c. A local user can execute arbitrary code.
5) Buffer overflow (CVE-ID: CVE-2025-39817)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 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/E:U/U:Clear
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.
6) Use-after-free (CVE-ID: CVE-2025-39841)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the lpfc_nvmet_defer_rcv() function in drivers/scsi/lpfc/lpfc_nvmet.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.