CVE-2022-50457 Vulnerability Analysis & Exploit Details

CVE-2022-50457
Vulnerability Scoring

5.5
/10
Significant Risk

Security assessments indicate that CVE-2022-50457 presents a notable risk, potentially requiring prompt mitigation.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Local
    Vulnerability requires local system access.
  • Privileges Required: Low
    Some privileges are necessary to exploit the vulnerability.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2022-50457 Details

Status: Analyzed

Last updated: 🕖 16 Jan 2026, 19:24 UTC
Originally published on: 🕛 01 Oct 2025, 12:15 UTC

Time between publication and last update: 107 days

CVSS Release: version 3

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2022-50457 Vulnerability Summary

CVE-2022-50457: In the Linux kernel, the following vulnerability has been resolved: mtd: core: Fix refcount error in del_mtd_device() del_mtd_device() will call of_node_put() to mtd_get_of_node(mtd), which is mtd->dev.of_node. However, memset(&mtd->dev, 0) is called before of_node_put(). As the result, of_node_put() won't do anything in del_mtd_device(), and causes the refcount leak. del_mtd_device() memset(&mtd->dev, 0, sizeof(mtd->dev) # clear mtd->dev of_node_put() mtd_get_of_node(mtd) # mtd->dev is cleared, can't locate of_node # of_node_put(NULL) won't do anything Fix the error by caching the pointer of the device_node. OF: ERROR: memory leak, expected refcount 1 instead of 2, of_node_get()/of_node_put() unbalanced - destroy cset entry: attach overlay node /spi/spi-sram@0 CPU: 3 PID: 275 Comm: python3 Tainted: G N 6.1.0-rc3+ #54 0d8a1edddf51f172ff5226989a7565c6313b08e2 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.15.0-0-g2dd4b9b3f840-prebuilt.qemu.org 04/01/2014 Call Trace: <TASK> dump_stack_lvl+0x67/0x83 kobject_get+0x155/0x160 of_node_get+0x1f/0x30 of_fwnode_get+0x43/0x70 fwnode_handle_get+0x54/0x80 fwnode_get_nth_parent+0xc9/0xe0 fwnode_full_name_string+0x3f/0xa0 device_node_string+0x30f/0x750 pointer+0x598/0x7a0 vsnprintf+0x62d/0x9b0 ... cfs_overlay_release+0x30/0x90 config_item_release+0xbe/0x1a0 config_item_put+0x5e/0x80 configfs_rmdir+0x3bd/0x540 vfs_rmdir+0x18c/0x320 do_rmdir+0x198/0x330 __x64_sys_rmdir+0x2c/0x40 do_syscall_64+0x37/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd [<miquel.raynal@bootlin.com>: Light reword of the commit log]

Assessing the Risk of CVE-2022-50457

Access Complexity Graph

The exploitability of CVE-2022-50457 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-2022-50457

CVE-2022-50457 presents an accessible attack vector with minimal effort required. Restricting access controls and implementing security updates are critical to reducing exploitation risks.

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-2022-50457, 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-2022-50457, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2022-50457 has no significant impact on data confidentiality.
  • Integrity: None
    CVE-2022-50457 poses no threat to data integrity.
  • Availability: High
    CVE-2022-50457 can disrupt system operations, potentially causing complete denial of service (DoS).

CVE-2022-50457 References

External References

CWE Common Weakness Enumeration

NVD-CWE-Other

Vulnerable Configurations

  • cpe:2.3:o:linux:linux_kernel:5.17:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17.1:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17.2:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17.2:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17.3:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17.4:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17.4:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17.5:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17.5:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17.6:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17.6:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17.7:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17.7:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17.8:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17.8:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17.9:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17.9:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17.10:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17.10:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17.11:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17.11:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17.12:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17.12:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17.13:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17.13:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17.14:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17.14:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17.15:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17.15:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17:rc3:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17:rc4:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17:rc5:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17:rc6:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17:rc6:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17:rc7:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17:rc7:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17:rc8:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.17:rc8:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18.1:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18.2:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18.2:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18.3:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18.4:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18.4:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18.5:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18.5:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18.6:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18.6:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18.7:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18.7:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18.8:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18.8:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18.9:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18.9:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18.10:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18.10:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18.11:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18.11:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18.12:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18.12:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18.13:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18.13:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18.14:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18.14:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18.15:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18.15:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18.16:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18.16:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18.17:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18.17:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18.18:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18.18:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18.19:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18.19:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18:rc1:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18:rc2:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18:rc3:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18:rc4:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18:rc5:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18:rc6:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18:rc6:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18:rc7:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18:rc7:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.18:rc9:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.18:rc9:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19.1:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19.2:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19.2:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19.3:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19.4:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19.4:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19.5:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19.5:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19.6:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19.6:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19.7:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19.7:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19.8:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19.8:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19.9:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19.9:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19.10:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19.10:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19.11:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19.11:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19.12:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19.12:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19.13:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19.13:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19.14:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19.14:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19.15:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19.15:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19.16:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19.16:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19.17:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19.17:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19:rc5:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19:rc6:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19:rc6:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19:rc7:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19:rc7:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.19:rc8:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.19:rc8:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.0:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.0:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.0.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.0.1:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.0.2:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.0.2:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.0.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.0.3:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.0.4:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.0.4:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.0.5:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.0.5:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.0.6:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.0.6:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.0.7:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.0.7:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.0.8:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.0.8:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.0.9:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.0.9:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.0.10:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.0.10:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.0.11:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.0.11:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.0.12:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.0.12:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.0.13:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.0.13:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.0.14:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.0.14:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.0.15:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.0.15:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.0:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.0:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.1:*:*:*:*:*:*:*

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