CVE-2022-49044
Vulnerability Scoring
Analysis In Progress
CVE-2022-49044 Vulnerability Analysis & Exploit Details
CVE-2022-49044
Attack Complexity Details
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Attack Complexity:
Attack Complexity Analysis In Progress
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Attack Vector:
Attack Vector Under Analysis
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Privileges Required:
None
No authentication is required for exploitation.
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Scope:
Impact is confined to the initially vulnerable component.
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User Interaction:
None
No user interaction is necessary for exploitation.
CVE-2022-49044 Details
Status: Received on 26 Feb 2025, 07:00 UTC
Published on: 26 Feb 2025, 07:00 UTC
CVSS Release:
CVE-2022-49044 Vulnerability Summary
CVE-2022-49044: In the Linux kernel, the following vulnerability has been resolved: dm integrity: fix memory corruption when tag_size is less than digest size It is possible to set up dm-integrity in such a way that the "tag_size" parameter is less than the actual digest size. In this situation, a part of the digest beyond tag_size is ignored. In this case, dm-integrity would write beyond the end of the ic->recalc_tags array and corrupt memory. The corruption happened in integrity_recalc->integrity_sector_checksum->crypto_shash_final. Fix this corruption by increasing the tags array so that it has enough padding at the end to accomodate the loop in integrity_recalc() being able to write a full digest size for the last member of the tags array.
Assessing the Risk of CVE-2022-49044
Access Complexity Graph
The exploitability of CVE-2022-49044 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).
Exploitability Analysis for CVE-2022-49044
No exploitability data is available for CVE-2022-49044.
Understanding AC and PR
A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.
Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.
Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.
CVSS Score Breakdown Chart
Above is the CVSS Sub-score Breakdown for CVE-2022-49044, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.
CIA Impact Analysis
Below is the Impact Analysis for CVE-2022-49044, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.
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Confidentiality:
None
CVE-2022-49044 does not compromise confidentiality.
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Integrity:
None
CVE-2022-49044 does not impact data integrity.
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Availability:
None
CVE-2022-49044 does not affect system availability.
Exploit Prediction Scoring System (EPSS)
The EPSS score estimates the probability that this vulnerability will be exploited in the near future.
EPSS Score: 0.044% (probability of exploit)
EPSS Percentile: 12.92%
(lower percentile = lower relative risk)
This vulnerability is less risky than approximately 87.08% of others.
CVE-2022-49044 References
External References
- https://git.kernel.org/stable/c/08c1af8f1c13bbf210f1760132f4df24d0ed46d6
- https://git.kernel.org/stable/c/4d485cf9b609709e45d5113e6e2b1b01254b2fe9
- https://git.kernel.org/stable/c/6a95d91c0b315c965198f6ab7dec7c94129e17e0
- https://git.kernel.org/stable/c/6b4bf97587ef6c1927a78934b700204920655123
- https://git.kernel.org/stable/c/7f84c937222944c03f4615ca4742df6bed0e5adf
- https://git.kernel.org/stable/c/cd02b2687d66f0a8e716384de4b9a0671331f1dc
CWE Common Weakness Enumeration
Unknown
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