CVE-2026-43287
Vulnerability Scoring
Analysis In Progress
CVE-2026-43287 Vulnerability Analysis & Exploit Details
CVE-2026-43287
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-2026-43287 Details
Status: Received on 08 May 2026, 14:16 UTC
Published on: 08 May 2026, 14:16 UTC
CVSS Release:
CVE-2026-43287 Vulnerability Summary
CVE-2026-43287: In the Linux kernel, the following vulnerability has been resolved: drm: Account property blob allocations to memcg DRM_IOCTL_MODE_CREATEPROPBLOB allows userspace to allocate arbitrary-sized property blobs backed by kernel memory. Currently, the blob data allocation is not accounted to the allocating process's memory cgroup, allowing unprivileged users to trigger unbounded kernel memory consumption and potentially cause system-wide OOM. Mark the property blob data allocation with GFP_KERNEL_ACCOUNT so that the memory is properly charged to the caller's memcg. This ensures existing cgroup memory limits apply and prevents uncontrolled kernel memory growth without introducing additional policy or per-file limits.
Assessing the Risk of CVE-2026-43287
Access Complexity Graph
The exploitability of CVE-2026-43287 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-2026-43287
No exploitability data is available for CVE-2026-43287.
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-2026-43287, 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-2026-43287, 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-2026-43287 does not compromise confidentiality.
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Integrity:
None
CVE-2026-43287 does not impact data integrity.
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Availability:
None
CVE-2026-43287 does not affect system availability.
CVE-2026-43287 References
External References
- https://git.kernel.org/stable/c/26b4309a3ab82a0697751cde52eb336c29c19035
- https://git.kernel.org/stable/c/405fd652d8fedff219a8f48daf8f20e881e303ab
- https://git.kernel.org/stable/c/815fa29cab3c67bebb9d0b5f41145cdd3a14d04d
- https://git.kernel.org/stable/c/866e0c1a9e7244d58ed74853cb22b81e1900cfdd
- https://git.kernel.org/stable/c/8e1664b9ee43608eb973d357ae5d858d30cbc9ca
- https://git.kernel.org/stable/c/b6117210ed349356f8e6027ff020b4d620bca42b
- https://git.kernel.org/stable/c/bbfaa5761f589a81031b493cb01275a990d6fb25
- https://git.kernel.org/stable/c/cb8b9a1755fe9f38e4fb7f287486d7e7fab3dba4
CWE Common Weakness Enumeration
Unknown
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