Unknown [CVE-2021-3501] flaw was found in the Linux kernel in versions before 5.12
This security Red Hat Linux advisory covers CVE-2021-3501 affecting kernel.
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Summary
A flaw was found in the Linux kernel in versions before 5.12. The value of internal.ndata, in the KVM API, is mapped to an array index, which can be updated by a user process at anytime which could lead to an out-of-bounds write.
The highest threat from this vulnerability is to data integrity and system availability.
- kernel 5.9 before 5.10.32
- kernel 5.11 before 5.11.16
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
- 5.10.32
- 5.11.16
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
Mitigation
Upgrade to a fixed release: 5.10.32, 5.11.16. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
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