CVE-2021-4218 (GCVE-0-2021-4218)

Vulnerability from cvelistv5 – Published: 2022-08-24 15:08 – Updated: 2024-08-03 17:16
VLAI?
Summary
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.
Severity ?
No CVSS data available.
CWE
  • CWE-665 - - Improper Initialization -> CWE-824 - Access of Uninitialized Pointer
Assigner
References
Impacted products
Vendor Product Version
n/a kernel Affected: NA
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.