Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions update for kpatch-patch



Risk Low
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2023-4622
CVE-2023-42753
CVE-2023-2163
CWE-ID CWE-416
CWE-787
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Operating systems & Components / Operating system package or component

kpatch-patch-4_18_0-193_119_1 (Red Hat package)
Operating systems & Components / Operating system package or component

kpatch-patch-4_18_0-193_116_1 (Red Hat package)
Operating systems & Components / Operating system package or component

kpatch-patch-4_18_0-193_113_1 (Red Hat package)
Operating systems & Components / Operating system package or component

kpatch-patch-4_18_0-193_109_1 (Red Hat package)
Operating systems & Components / Operating system package or component

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU80583

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-2023-4622

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 unix_stream_sendpage() function in af_unix component. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.2

kpatch-patch-4_18_0-193_119_1 (Red Hat package): before 1-1.el8_2

kpatch-patch-4_18_0-193_116_1 (Red Hat package): before 1-2.el8_2

kpatch-patch-4_18_0-193_113_1 (Red Hat package): before 1-3.el8_2

kpatch-patch-4_18_0-193_109_1 (Red Hat package): before 1-4.el8_2

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2024:0376


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) Out-of-bounds write

EUVDB-ID: #VU81663

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-2023-42753

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in the netfilter subsystem in Linux kernel. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.2

kpatch-patch-4_18_0-193_119_1 (Red Hat package): before 1-1.el8_2

kpatch-patch-4_18_0-193_116_1 (Red Hat package): before 1-2.el8_2

kpatch-patch-4_18_0-193_113_1 (Red Hat package): before 1-3.el8_2

kpatch-patch-4_18_0-193_109_1 (Red Hat package): before 1-4.el8_2

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2024:0376


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) Out-of-bounds write

EUVDB-ID: #VU79673

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-2023-2163

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in BPF verifier caused by improper marking of registers for precision tracking in certain situations. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.2

kpatch-patch-4_18_0-193_119_1 (Red Hat package): before 1-1.el8_2

kpatch-patch-4_18_0-193_116_1 (Red Hat package): before 1-2.el8_2

kpatch-patch-4_18_0-193_113_1 (Red Hat package): before 1-3.el8_2

kpatch-patch-4_18_0-193_109_1 (Red Hat package): before 1-4.el8_2

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2024:0376


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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