CVE-2022-50702 Vulnerability Analysis & Exploit Details

CVE-2022-50702
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-2022-50702 Details

Status: Received on 24 Dec 2025, 11:15 UTC

Published on: 24 Dec 2025, 11:15 UTC

CVSS Release:

CVE-2022-50702 Vulnerability Summary

CVE-2022-50702: In the Linux kernel, the following vulnerability has been resolved: vdpa_sim: fix possible memory leak in vdpasim_net_init() and vdpasim_blk_init() Inject fault while probing module, if device_register() fails in vdpasim_net_init() or vdpasim_blk_init(), but the refcount of kobject is not decreased to 0, the name allocated in dev_set_name() is leaked. Fix this by calling put_device(), so that name can be freed in callback function kobject_cleanup(). (vdpa_sim_net) unreferenced object 0xffff88807eebc370 (size 16): comm "modprobe", pid 3848, jiffies 4362982860 (age 18.153s) hex dump (first 16 bytes): 76 64 70 61 73 69 6d 5f 6e 65 74 00 6b 6b 6b a5 vdpasim_net.kkk. backtrace: [<ffffffff8174f19e>] __kmalloc_node_track_caller+0x4e/0x150 [<ffffffff81731d53>] kstrdup+0x33/0x60 [<ffffffff83a5d421>] kobject_set_name_vargs+0x41/0x110 [<ffffffff82d87aab>] dev_set_name+0xab/0xe0 [<ffffffff82d91a23>] device_add+0xe3/0x1a80 [<ffffffffa0270013>] 0xffffffffa0270013 [<ffffffff81001c27>] do_one_initcall+0x87/0x2e0 [<ffffffff813739cb>] do_init_module+0x1ab/0x640 [<ffffffff81379d20>] load_module+0x5d00/0x77f0 [<ffffffff8137bc40>] __do_sys_finit_module+0x110/0x1b0 [<ffffffff83c4d505>] do_syscall_64+0x35/0x80 [<ffffffff83e0006a>] entry_SYSCALL_64_after_hwframe+0x46/0xb0 (vdpa_sim_blk) unreferenced object 0xffff8881070c1250 (size 16): comm "modprobe", pid 6844, jiffies 4364069319 (age 17.572s) hex dump (first 16 bytes): 76 64 70 61 73 69 6d 5f 62 6c 6b 00 6b 6b 6b a5 vdpasim_blk.kkk. backtrace: [<ffffffff8174f19e>] __kmalloc_node_track_caller+0x4e/0x150 [<ffffffff81731d53>] kstrdup+0x33/0x60 [<ffffffff83a5d421>] kobject_set_name_vargs+0x41/0x110 [<ffffffff82d87aab>] dev_set_name+0xab/0xe0 [<ffffffff82d91a23>] device_add+0xe3/0x1a80 [<ffffffffa0220013>] 0xffffffffa0220013 [<ffffffff81001c27>] do_one_initcall+0x87/0x2e0 [<ffffffff813739cb>] do_init_module+0x1ab/0x640 [<ffffffff81379d20>] load_module+0x5d00/0x77f0 [<ffffffff8137bc40>] __do_sys_finit_module+0x110/0x1b0 [<ffffffff83c4d505>] do_syscall_64+0x35/0x80 [<ffffffff83e0006a>] entry_SYSCALL_64_after_hwframe+0x46/0xb0

Assessing the Risk of CVE-2022-50702

Access Complexity Graph

The exploitability of CVE-2022-50702 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-2022-50702

No exploitability data is available for CVE-2022-50702.

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-2022-50702, 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-2022-50702, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2022-50702 does not compromise confidentiality.
  • Integrity: None
    CVE-2022-50702 does not impact data integrity.
  • Availability: None
    CVE-2022-50702 does not affect system availability.

CVE-2022-50702 References

External References

CWE Common Weakness Enumeration

Unknown

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