Red Hat Enterprise Linux 9 update for kernel



Risk Low
Patch available YES
Number of vulnerabilities 12
CVE-ID CVE-2024-26638
CVE-2023-52623
CVE-2024-26669
CVE-2024-26939
CVE-2024-35838
CVE-2024-35847
CVE-2023-52662
CVE-2024-36917
CVE-2024-41042
CVE-2024-56615
CVE-2025-21764
CVE-2024-58099
CWE-ID CWE-908
CWE-667
CWE-401
CWE-416
CWE-200
CWE-415
CWE-119
CWE-20
CWE-125
Exploitation vector Local
Public exploit N/A
Vulnerable software
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Operating systems & Components / Operating system

Red Hat Enterprise Linux Server - AUS
Operating systems & Components / Operating system

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Operating systems & Components / Operating system

Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Operating systems & Components / Operating system

Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Operating systems & Components / Operating system

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Operating systems & Components / Operating system package or component

kernel (Red Hat package)
Operating systems & Components / Operating system package or component

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains information about 12 vulnerabilities.

1) Use of uninitialized resource

EUVDB-ID: #VU90881

Risk: Low

CVSSv4.0: 4.3 [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]

CVE-ID: CVE-2024-26638

CWE-ID: CWE-908 - Use of Uninitialized Resource

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to use of uninitialized resource within the __sock_xmit() function in drivers/block/nbd.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server - AUS: 9.4

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 9.4

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 9.4

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 9.4

kernel (Red Hat package): before 5.14.0-427.74.1.el9_4

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2025:9584


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Improper locking

EUVDB-ID: #VU92046

Risk: Low

CVSSv4.0: 4.3 [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]

CVE-ID: CVE-2023-52623

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the xprt_iter_current_entry() and rpc_xprt_switch_has_addr() functions in net/sunrpc/xprtmultipath.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server - AUS: 9.4

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 9.4

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 9.4

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 9.4

kernel (Red Hat package): before 5.14.0-427.74.1.el9_4

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2025:9584


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Memory leak

EUVDB-ID: #VU90010

Risk: Low

CVSSv4.0: 4.3 [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]

CVE-ID: CVE-2024-26669

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

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the fl_tmplt_destroy() function in net/sched/cls_flower.c, within the tcf_block_playback_offloads() and tc_chain_tmplt_add() functions in net/sched/cls_api.c, within the void() function in include/net/sch_generic.h. A local user can perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server - AUS: 9.4

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 9.4

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 9.4

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 9.4

kernel (Red Hat package): before 5.14.0-427.74.1.el9_4

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2025:9584


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Use-after-free

EUVDB-ID: #VU90181

Risk: Low

CVSSv4.0: 5.9 [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]

CVE-ID: CVE-2024-26939

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the active_to_vma() and i915_vma_pin_ww() functions in drivers/gpu/drm/i915/i915_vma.c. A local user can escalate privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server - AUS: 9.4

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 9.4

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 9.4

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 9.4

kernel (Red Hat package): before 5.14.0-427.74.1.el9_4

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2025:9584


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Information disclosure

EUVDB-ID: #VU91346

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-35838

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to information disclosure within the sta_info_free() function in net/mac80211/sta_info.c. A local user can gain access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server - AUS: 9.4

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 9.4

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 9.4

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 9.4

kernel (Red Hat package): before 5.14.0-427.74.1.el9_4

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2025:9584


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Double free

EUVDB-ID: #VU90891

Risk: Low

CVSSv4.0: 4.3 [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]

CVE-ID: CVE-2024-35847

CWE-ID: CWE-415 - Double Free

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a double free error within the its_vpe_irq_domain_alloc() function in drivers/irqchip/irq-gic-v3-its.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server - AUS: 9.4

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 9.4

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 9.4

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 9.4

kernel (Red Hat package): before 5.14.0-427.74.1.el9_4

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2025:9584


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Memory leak

EUVDB-ID: #VU90444

Risk: Low

CVSSv4.0: 4.3 [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]

CVE-ID: CVE-2023-52662

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

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the vmw_gmrid_man_get_node() function in drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server - AUS: 9.4

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 9.4

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 9.4

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 9.4

kernel (Red Hat package): before 5.14.0-427.74.1.el9_4

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2025:9584


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Buffer overflow

EUVDB-ID: #VU92094

Risk: Low

CVSSv4.0: 5.9 [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]

CVE-ID: CVE-2024-36917

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to memory corruption within the blk_ioctl_discard() function in block/ioctl.c. A local user can escalate privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server - AUS: 9.4

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 9.4

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 9.4

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 9.4

kernel (Red Hat package): before 5.14.0-427.74.1.el9_4

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2025:9584


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Input validation error

EUVDB-ID: #VU95003

Risk: Low

CVSSv4.0: 4.3 [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]

CVE-ID: CVE-2024-41042

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the nf_tables_rule_release(), nft_chain_validate(), nft_chain_validate_hooks() and nft_validate_register_store() functions in net/netfilter/nf_tables_api.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server - AUS: 9.4

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 9.4

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 9.4

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 9.4

kernel (Red Hat package): before 5.14.0-427.74.1.el9_4

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2025:9584


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) Out-of-bounds read

EUVDB-ID: #VU102083

Risk: Low

CVSSv4.0: 4.3 [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]

CVE-ID: CVE-2024-56615

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to an out-of-bounds read error within the dev_map_alloc(), dev_map_delete_elem() and dev_map_hash_delete_elem() functions in kernel/bpf/devmap.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server - AUS: 9.4

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 9.4

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 9.4

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 9.4

kernel (Red Hat package): before 5.14.0-427.74.1.el9_4

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2025:9584


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) Use-after-free

EUVDB-ID: #VU104950

Risk: Low

CVSSv4.0: 5.9 [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]

CVE-ID: CVE-2025-21764

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the ndisc_alloc_skb() function in net/ipv6/ndisc.c. A local user can escalate privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server - AUS: 9.4

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 9.4

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 9.4

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 9.4

kernel (Red Hat package): before 5.14.0-427.74.1.el9_4

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2025:9584


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Input validation error

EUVDB-ID: #VU108057

Risk: Low

CVSSv4.0: 4.3 [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]

CVE-ID: CVE-2024-58099

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the vmxnet3_xdp_xmit_frame() function in drivers/net/vmxnet3/vmxnet3_xdp.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server - AUS: 9.4

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 9.4

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 9.4

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 9.4

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 9.4

kernel (Red Hat package): before 5.14.0-427.74.1.el9_4

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2025:9584


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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