Bug 2048359 (CVE-2021-4218)
| Summary: | CVE-2021-4218 kernel: sysctl parameter read causes kernel panic ( rpcrdma module ) | ||
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| Product: | [Other] Security Response | Reporter: | Wade Mealing <wmealing> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED NOTABUG | QA Contact: | |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | unspecified | CC: | acaringi, bhu, brdeoliv, dalongi, dhoward, dvlasenk, fhrbata, hkrzesin, jarod, jfaracco, jforbes, joe.lawrence, jshortt, jstancek, kcarcia, kernel-mgr, lzampier, nmurray, ptalbert, rleblanc, rvrbovsk, scweaver, walters |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |
| Doc Text: |
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.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2022-02-01 04:01:01 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | |||
| Bug Blocks: | 2044566 | ||
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Description
Wade Mealing
2022-01-31 04:32:55 UTC
Looks like centos stream caught this before it shipped in RHEL. Centos Bug: https://bugs.centos.org/view.php?id=18395 |