Risk | Low |
Patch available | YES |
Number of vulnerabilities | 2 |
CVE-ID | CVE-2022-0492 CVE-2021-4028 |
CWE-ID | CWE-264 CWE-416 |
Exploitation vector | Local |
Public exploit | Public exploit code for vulnerability #1 is available. |
Vulnerable software Subscribe |
kernel (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 Server - AUS Operating systems & Components / Operating system |
Vendor | Red Hat Inc. |
This security bulletin contains information about 2 vulnerabilities.
EUVDB-ID: #VU61245
Risk: Low
CVSSv3.1:
CVE-ID: CVE-2022-0492
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: Yes
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a logic error within the cgroup_release_agent_write() function in kernel/cgroup/cgroup-v1.c. A local user can use the cgroups v1 release_agent feature to escalate privileges and bypass the namespace isolation.
MitigationInstall updates from vendor's website.
kernel (Red Hat package): 3.10.0-957.1.3.el7 - 3.10.0-957.el7
Red Hat Enterprise Linux Server - TUS: 7.6
Red Hat Enterprise Linux Server - AUS: 7.6
http://access.redhat.com/errata/RHSA-2022:2186
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?
EUVDB-ID: #VU60797
Risk: Low
CVSSv3.1:
CVE-ID: CVE-2021-4028
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error in the RDMA listen()
function in Linux kernel. A local user can run a specially crafted program to trigger a use-after-free error and execute arbitrary code with elevated privileges.
Install updates from vendor's website.
kernel (Red Hat package): 3.10.0-957.1.3.el7 - 3.10.0-957.el7
Red Hat Enterprise Linux Server - TUS: 7.6
Red Hat Enterprise Linux Server - AUS: 7.6
http://access.redhat.com/errata/RHSA-2022:2186
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?