A flaw was found in the Linux kernel’s implementation of reading the SVC RDMA counters. Reading the counter sysctl panics the system. This flaw allows a local attacker with local access to cause a denial of service while the system reboots. The issue is specific to CentOS/RHEL.
References
| Link | Resource |
|---|---|
| https://access.redhat.com/security/cve/CVE-2021-4218 | Third Party Advisory |
| https://bugs.centos.org/view.php?id=18395 | Exploit Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2048359 | Issue Tracking Third Party Advisory |
Configurations
History
30 Aug 2022, 18:35
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | CWE-665 | |
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 5.5 |
| CPE | cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | |
| References | (MISC) https://bugs.centos.org/view.php?id=18395 - Exploit, Third Party Advisory | |
| References | (MISC) https://access.redhat.com/security/cve/CVE-2021-4218 - Third Party Advisory | |
| References | (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2048359 - Issue Tracking, Third Party Advisory |
24 Aug 2022, 16:24
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2022-08-24 16:15
Updated : 2024-02-04 22:51
NVD link : CVE-2021-4218
Mitre link : CVE-2021-4218
CVE.ORG link : CVE-2021-4218
JSON object : View
Products Affected
linux
- linux_kernel
CWE
CWE-665
Improper Initialization