SB2025091531 - Red Hat Enterprise Linux 10 update for kernel

Description

This security bulletin contains information about 7 vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2025-22068)

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 ublk_abort_queue() and ublk_abort_requests() functions in drivers/block/ublk_drv.c. A local user can escalate privileges on the system.

2) Buffer overflow (CVE-ID: CVE-2025-38332)

CWE-ID: CWE-119 - Memory corruption

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 memory corruption within the lpfc_sli4_get_ctl_attr() function in drivers/scsi/lpfc/lpfc_sli.c. A local user can escalate privileges on the system.

3) Use-after-free (CVE-ID: CVE-2025-38392)

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 idpf_alloc_dma_mem() and idpf_free_dma_mem() functions in drivers/net/ethernet/intel/idpf/idpf_lib.c, within the idpf_ctlq_init_rxq_bufs(), idpf_ctlq_shutdown(), idpf_ctlq_add(), idpf_ctlq_send(), idpf_ctlq_clean_sq(), idpf_ctlq_post_rx_buffs(), wr32() and idpf_ctlq_recv() functions in drivers/net/ethernet/intel/idpf/idpf_controlq.c. A local user can escalate privileges on the system.

4) Buffer overflow (CVE-ID: CVE-2025-38463)

CWE-ID: CWE-119 - Memory corruption

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 memory corruption within the net/ipv4/tcp.c. A local user can escalate privileges on the system.

5) Improper privilege management (CVE-ID: CVE-2025-38498)

CWE-ID: CWE-269 - Improper Privilege Management

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to read and manipulate data.

The vulnerability exists due to improperly imposed permissions within the do_change_type() function in fs/namespace.c. A local user can read and manipulate data.

6) Use-after-free (CVE-ID: CVE-2025-38500)

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 xfrmi_changelink() function in net/xfrm/xfrm_interface_core.c. A local user can escalate privileges on the system.

7) Input validation error (CVE-ID: CVE-2025-38550)

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 mld_del_delrec() function in net/ipv6/mcast.c. A local user can perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://access.redhat.com/errata/RHSA-2025:15782