SB2025050615 - Red Hat Enterprise Linux 9 update for kernel

Description

This security bulletin contains information about 9 vulnerabilities.

1) Improper check for unusual or exceptional conditions (CVE-ID: CVE-2024-25739)

CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions

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 check for unusual or exceptional conditions error within the ubi_read_volume_table() function in drivers/mtd/ubi/vtbl.c. A local user can perform a denial of service (DoS) attack.

2) Resource management error (CVE-ID: CVE-2024-27056)

CWE-ID: CWE-399 - Resource Management Errors

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 resource management error within the iwl_mvm_sta_ensure_queue() function in drivers/net/wireless/intel/iwlwifi/mvm/sta.c, within the __iwl_mvm_suspend() function in drivers/net/wireless/intel/iwlwifi/mvm/d3.c. A local user can perform a denial of service (DoS) attack.

3) Use-after-free (CVE-ID: CVE-2024-35855)

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 mlxsw_sp_acl_tcam_ventry_activity_get() function in drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c. A local user can escalate privileges on the system.

4) NULL pointer dereference (CVE-ID: CVE-2021-47386)

CWE-ID: CWE-476 - NULL Pointer Dereference

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 NULL pointer dereference within the w83791d_detect_subclients() function in drivers/hwmon/w83791d.c. A local user can perform a denial of service (DoS) attack.

5) Use-after-free (CVE-ID: CVE-2023-52803)

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 rpc_clnt_remove_pipedir() and rpc_setup_pipedir() functions in net/sunrpc/clnt.c. A local user can escalate privileges on the system.

6) Resource management error (CVE-ID: CVE-2024-42322)

CWE-ID: CWE-399 - Resource Management Errors

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 resource management error within the ip_vs_add_service() function in net/netfilter/ipvs/ip_vs_ctl.c. A local user can perform a denial of service (DoS) attack.

7) Memory leak (CVE-ID: CVE-2024-43871)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

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 leak within the EXPORT_SYMBOL_GPL() function in drivers/base/devres.c. A local user can perform a denial of service (DoS) attack.

8) Input validation error (CVE-ID: CVE-2024-47745)

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 SYSCALL_DEFINE5() function in mm/mmap.c. A local user can perform a denial of service (DoS) attack.

9) Buffer overflow (CVE-ID: CVE-2025-21927)

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 nvme_tcp_queue_id() and nvme_tcp_recv_pdu() functions in drivers/nvme/host/tcp.c. A local user can escalate privileges on the system.

Remediation

Install update from vendor's website.

References

• https://access.redhat.com/errata/RHSA-2025:4509