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High-risk vulnerability digests

CVE-2021-22555

  • KEV

Linux Kernel Heap Out-of-Bounds Write Vulnerability

Details

CISA date
2025-10-06
Affected versions
Kernel
Summary
Linux Kernel contains a heap out-of-bounds write vulnerability that could allow an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space.
Remediation
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Exploit info
No exploit-tagged NVD references in our cache; see the CISA KEV link below.

View on NVD  ·  CISA KEV catalog

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Information is aggregated from multiple authoritative sources for convenience; verify with NVD and vendors before operational decisions.