CVE-2022-0435
Published: 25 March 2022
Summary
CVE-2022-0435 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Linux Linux Kernel. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 1.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
A stack overflow vulnerability tracked as CVE-2022-0435 exists in the Linux kernel's TIPC protocol implementation. The flaw occurs when a packet is processed that specifies more than the allowed 64 domain member nodes, resulting from improper bounds handling classified under CWE-787. It affects systems using the Transparent Inter-Process Communication protocol within the kernel.
An authenticated remote attacker who already has access to the TIPC network can send a crafted packet to trigger the overflow. Successful exploitation can lead to a system crash or privilege escalation, consistent with the CVSS 8.8 rating that reflects network attack vector, low complexity, and high impact across confidentiality, integrity, and availability.
Public advisories and technical details are available from Red Hat and NetApp at the listed references, including bugzilla entries and security notices that address the reported issue. The associated EPSS score has remained near 0.54 with only minimal variation between its recorded peak and current value.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-15576
Vulnerability details
A stack overflow flaw was found in the Linux kernel's TIPC protocol functionality in the way a user sends a packet with malicious content where the number of domain member nodes is higher than the 64 allowed. This flaw allows…
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a remote user to crash the system or possibly escalate their privileges if they have access to the TIPC network.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.