CVE-2022-49843 Vulnerability Analysis & Exploit Details

CVE-2022-49843
Vulnerability Scoring

Analysis In Progress
Analysis In Progress

Attack Complexity Details

  • Attack Complexity:
    Attack Complexity Analysis In Progress
  • Attack Vector:
    Attack Vector Under Analysis
  • Privileges Required: None
    No authentication is required for exploitation.
  • Scope:
    Impact is confined to the initially vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2022-49843 Details

Status: Awaiting Analysis

Last updated: 🕜 02 May 2025, 13:53 UTC
Originally published on: 🕒 01 May 2025, 15:16 UTC

CVSS Release:

CVE-2022-49843 Vulnerability Summary

CVE-2022-49843: In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Migrate in CPU page fault use current mm migrate_vma_setup shows below warning because we don't hold another process mm mmap_lock. We should use current vmf->vma->vm_mm instead, the caller already hold current mmap lock inside CPU page fault handler. WARNING: CPU: 10 PID: 3054 at include/linux/mmap_lock.h:155 find_vma Call Trace: walk_page_range+0x76/0x150 migrate_vma_setup+0x18a/0x640 svm_migrate_vram_to_ram+0x245/0xa10 [amdgpu] svm_migrate_to_ram+0x36f/0x470 [amdgpu] do_swap_page+0xcfe/0xec0 __handle_mm_fault+0x96b/0x15e0 handle_mm_fault+0x13f/0x3e0 do_user_addr_fault+0x1e7/0x690

Assessing the Risk of CVE-2022-49843

Access Complexity Graph

The exploitability of CVE-2022-49843 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-2022-49843

No exploitability data is available for CVE-2022-49843.

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-2022-49843, 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-2022-49843, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2022-49843 does not compromise confidentiality.
  • Integrity: None
    CVE-2022-49843 does not impact data integrity.
  • Availability: None
    CVE-2022-49843 does not affect system availability.

CVE-2022-49843 References

External References

CWE Common Weakness Enumeration

Unknown

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