Red Hat Enterprise Linux 8.6 Extended Update Support update for kpatch-patch
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2022-3564 CVE-2022-4378 |
| CWE-ID | CWE-416 CWE-121 |
| Exploitation vector | Local |
| Public exploit | Public exploit code for vulnerability #2 is available. |
| 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_0-372_52_1 (Red Hat package) Operating systems & Components / Operating system package or component kpatch-patch-4_18_0-372_51_1 (Red Hat package) Operating systems & Components / Operating system package or component kpatch-patch-4_18_0-372_46_1 (Red Hat package) Operating systems & Components / Operating system package or component kpatch-patch-4_18_0-372_41_1 (Red Hat package) Operating systems & Components / Operating system package or component kpatch-patch-4_18_0-372_40_1 (Red Hat package) Operating systems & Components / Operating system package or component kpatch-patch-4_18_0-372_36_1 (Red Hat package) Operating systems & Components / Operating system package or component Red Hat Enterprise Linux Server - TUS 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 Server - AUS Operating systems & Components / Operating system Red Hat Enterprise Linux for x86_64 - Extended Update Support Operating systems & Components / Operating system |
| Vendor | Red Hat Inc. |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Use-after-free
EUVDB-ID: #VU69799
Risk: Low
CVSSv4.0: 4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2022-3564
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows an attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the l2cap_reassemble_sdu() function in net/bluetooth/l2cap_core.c. An attacker with physical access to device can trigger a use-after-free error and execute arbitrary code on the system.
Install updates from vendor's website.
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6
Red Hat Enterprise Linux Server - TUS: 8.6
Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6
Red Hat Enterprise Linux Server - AUS: 8.6
Red Hat Enterprise Linux for x86_64 - Extended Update Support: 8.6
kpatch-patch-4_18_0-372_52_1 (Red Hat package): before 1-1.el8_6
kpatch-patch-4_18_0-372_51_1 (Red Hat package): before 1-2.el8_6
kpatch-patch-4_18_0-372_46_1 (Red Hat package): before 1-3.el8_6
kpatch-patch-4_18_0-372_41_1 (Red Hat package): before 1-5.el8_6
kpatch-patch-4_18_0-372_40_1 (Red Hat package): before 1-6.el8_6
kpatch-patch-4_18_0-372_36_1 (Red Hat package): before 1-6.el8_6
CPE2.3- cpe:2.3:a:red_hat:red_hat_enterprise_linux_server_for_ibm_power_le_-_update_services_for_sap_solutions:8.6:*:*:*:*:*:*:*
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_server_-_tus:8.6:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_power_little_endian_-_extended_update_support:8.6:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_server_-_aus:8.6:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_x86_64_-_extended_update_support:8.6:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:kpatch-patch-4_18_0-372_52_1_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:kpatch-patch-4_18_0-372_51_1_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:kpatch-patch-4_18_0-372_46_1_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:kpatch-patch-4_18_0-372_41_1_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:kpatch-patch-4_18_0-372_40_1_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:kpatch-patch-4_18_0-372_36_1_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
https://access.redhat.com/errata/RHSA-2023:3431
Q & A
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Stack-based buffer overflow
EUVDB-ID: #VU70442
Risk: Low
CVSSv4.0: 7.1 [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:P/U:Clear]
CVE-ID: CVE-2022-4378
CWE-ID:
CWE-121 - Stack-based buffer overflow
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the __do_proc_dointvec() function. A local user can trigger a stack-based buffer overflow and execute arbitrary code with elevated privileges.
Install updates from vendor's website.
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6
Red Hat Enterprise Linux Server - TUS: 8.6
Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6
Red Hat Enterprise Linux Server - AUS: 8.6
Red Hat Enterprise Linux for x86_64 - Extended Update Support: 8.6
kpatch-patch-4_18_0-372_52_1 (Red Hat package): before 1-1.el8_6
kpatch-patch-4_18_0-372_51_1 (Red Hat package): before 1-2.el8_6
kpatch-patch-4_18_0-372_46_1 (Red Hat package): before 1-3.el8_6
kpatch-patch-4_18_0-372_41_1 (Red Hat package): before 1-5.el8_6
kpatch-patch-4_18_0-372_40_1 (Red Hat package): before 1-6.el8_6
kpatch-patch-4_18_0-372_36_1 (Red Hat package): before 1-6.el8_6
CPE2.3- cpe:2.3:a:red_hat:red_hat_enterprise_linux_server_for_ibm_power_le_-_update_services_for_sap_solutions:8.6:*:*:*:*:*:*:*
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_server_-_tus:8.6:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_power_little_endian_-_extended_update_support:8.6:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_server_-_aus:8.6:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_x86_64_-_extended_update_support:8.6:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:kpatch-patch-4_18_0-372_52_1_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:kpatch-patch-4_18_0-372_51_1_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:kpatch-patch-4_18_0-372_46_1_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:kpatch-patch-4_18_0-372_41_1_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:kpatch-patch-4_18_0-372_40_1_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:kpatch-patch-4_18_0-372_36_1_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
https://access.redhat.com/errata/RHSA-2023:3431
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. However, proof of concept for this vulnerability is available.
