Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-32399 |
CWE-ID | CWE-362 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
kpatch-patch-3_10_0-957_76_1 (Red Hat package) Operating systems & Components / Operating system package or component kpatch-patch-3_10_0-957_72_1 (Red Hat package) Operating systems & Components / Operating system package or component kpatch-patch-3_10_0-957_70_1 (Red Hat package) Operating systems & Components / Operating system package or component kpatch-patch-3_10_0-957_66_1 (Red Hat package) Operating systems & Components / Operating system package or component kpatch-patch-3_10_0-957_65_1 (Red Hat package) Operating systems & Components / Operating system package or component kpatch-patch-3_10_0-957_62_1 (Red Hat package) Operating systems & Components / Operating system package or component kpatch-patch-3_10_0-957_61_2 (Red Hat package) Operating systems & Components / Operating system package or component kpatch-patch-3_10_0-957_61_1 (Red Hat package) Operating systems & Components / Operating system package or component Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions Operating systems & Components / Operating system package or component Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions Operating systems & Components / Operating system package or component kpatch-patch-3_10_0-957_78_2 (Red Hat package) Operating systems & Components / Operating system package or component Red Hat Enterprise Linux Server - AUS Operating systems & Components / Operating system |
Vendor | Red Hat Inc. |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU55257
Risk: Low
CVSSv3.1: 6.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-32399
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition for removal of the HCI controller within net/bluetooth/hci_request.c in the Linux kernel. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.
MitigationInstall updates from vendor's website.
kpatch-patch-3_10_0-957_76_1 (Red Hat package): 1-1.el7
kpatch-patch-3_10_0-957_72_1 (Red Hat package): 1-1.el7
kpatch-patch-3_10_0-957_70_1 (Red Hat package): 1-2.el7 - 1-3.el7
kpatch-patch-3_10_0-957_66_1 (Red Hat package): 1-1.el7 - 1-4.el7
kpatch-patch-3_10_0-957_65_1 (Red Hat package): 1-1.el7 - 1-4.el7
kpatch-patch-3_10_0-957_62_1 (Red Hat package): 1-1.el7 - 1-4.el7
kpatch-patch-3_10_0-957_61_2 (Red Hat package): 1-1.el7 - 1-4.el7
kpatch-patch-3_10_0-957_61_1 (Red Hat package): 1-1.el7 - 1-4.el7
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions: 7.6
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 7.6
Red Hat Enterprise Linux Server - AUS: 7.6
kpatch-patch-3_10_0-957_78_2 (Red Hat package): before 1-1.el7
External linkshttp://access.redhat.com/errata/RHSA-2021:3392
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.