Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions update for kpatch-patch
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-42896 |
| CWE-ID | CWE-416 |
| 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_0-305_88_1 (Red Hat package) Operating systems & Components / Operating system package or component kpatch-patch-4_18_0-305_86_2 (Red Hat package) Operating systems & Components / Operating system package or component kpatch-patch-4_18_0-305_82_1 (Red Hat package) Operating systems & Components / Operating system package or component kpatch-patch-4_18_0-305_76_1 (Red Hat package) Operating systems & Components / Operating system package or component kpatch-patch-4_18_0-305_72_1 (Red Hat package) Operating systems & Components / Operating system package or component kpatch-patch-4_18_0-305_71_1 (Red Hat package) Operating systems & Components / Operating system package or component |
| Vendor | Red Hat Inc. |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Use-after-free
EUVDB-ID: #VU69795
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-2022-42896
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_connect() and l2cap_le_connect_req() function in net/bluetooth/l2cap_core.c. An attacker with physical proximity to the affected device can trigger a use-after-free error and execute arbitrary code on the system.
Mitigation
Install updates from vendor's website.
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.4
kpatch-patch-4_18_0-305_88_1 (Red Hat package): before 1-1.el8_4
kpatch-patch-4_18_0-305_86_2 (Red Hat package): before 1-1.el8_4
kpatch-patch-4_18_0-305_82_1 (Red Hat package): before 1-2.el8_4
kpatch-patch-4_18_0-305_76_1 (Red Hat package): before 1-3.el8_4
kpatch-patch-4_18_0-305_72_1 (Red Hat package): before 1-4.el8_4
kpatch-patch-4_18_0-305_71_1 (Red Hat package): before 1-5.el8_4
CPE2.3- cpe:2.3:a:red_hat:red_hat_enterprise_linux_server_for_ibm_power_le_-_update_services_for_sap_solutions:8.4:*:*:*:*:*:*:*
- cpe:2.3:a:red_hat:kpatch-patch-4_18_0-305_88_1_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:kpatch-patch-4_18_0-305_86_2_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:kpatch-patch-4_18_0-305_82_1_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:kpatch-patch-4_18_0-305_76_1_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:kpatch-patch-4_18_0-305_72_1_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:kpatch-patch-4_18_0-305_71_1_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
https://access.redhat.com/errata/RHSA-2023:3517
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.
