CVE-2022-49483 Vulnerability Analysis & Exploit Details

CVE-2022-49483
Vulnerability Scoring

5.5
/10
Significant Risk

Security assessments indicate that CVE-2022-49483 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-2022-49483 Details

Status: Analyzed

Last updated: 🕟 17 Mar 2025, 16:53 UTC
Originally published on: 🕖 26 Feb 2025, 07:01 UTC

Time between publication and last update: 19 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-2022-49483 Vulnerability Summary

CVE-2022-49483: In the Linux kernel, the following vulnerability has been resolved: drm/msm/disp/dpu1: avoid clearing hw interrupts if hw_intr is null during drm uninit If edp modeset init is failed due to panel being not ready and probe defers during drm bind, avoid clearing irqs and dereference hw_intr when hw_intr is null. BUG: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 Call trace: dpu_core_irq_uninstall+0x50/0xb0 dpu_irq_uninstall+0x18/0x24 msm_drm_uninit+0xd8/0x16c msm_drm_bind+0x580/0x5fc try_to_bring_up_master+0x168/0x1c0 __component_add+0xb4/0x178 component_add+0x1c/0x28 dp_display_probe+0x38c/0x400 platform_probe+0xb0/0xd0 really_probe+0xcc/0x2c8 __driver_probe_device+0xbc/0xe8 driver_probe_device+0x48/0xf0 __device_attach_driver+0xa0/0xc8 bus_for_each_drv+0x8c/0xd8 __device_attach+0xc4/0x150 device_initial_probe+0x1c/0x28 Changes in V2: - Update commit message and coreect fixes tag. Patchwork: https://patchwork.freedesktop.org/patch/484430/

Assessing the Risk of CVE-2022-49483

Access Complexity Graph

The exploitability of CVE-2022-49483 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-2022-49483

CVE-2022-49483 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-2022-49483, 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-2022-49483, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2022-49483 has no significant impact on data confidentiality.
  • Integrity: None
    CVE-2022-49483 poses no threat to data integrity.
  • Availability: High
    CVE-2022-49483 can disrupt system operations, potentially causing complete denial of service (DoS).

Exploit Prediction Scoring System (EPSS)

The EPSS score estimates the probability that this vulnerability will be exploited in the near future.

EPSS Score: 0.045% (probability of exploit)

EPSS Percentile: 18.4% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 81.6% of others.

CVE-2022-49483 References

External References

CWE Common Weakness Enumeration

CWE-476

Vulnerable Configurations

  • cpe:2.3:o:linux:linux_kernel:5.16:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16.1:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16.2:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16.2:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16.3:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16.4:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16.4:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16.5:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16.5:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16.6:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16.6:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16.7:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16.7:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16.8:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16.8:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16.9:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16.9:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16.10:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16.10:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16.11:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16.11:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16.12:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16.12:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16.13:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16.13:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16.14:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16.14:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16.15:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16.15:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16.16:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16.16:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16.17:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16.17:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16.18:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16.18:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16.19:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16.19:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16.20:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16.20:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16.62:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16.62:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16:rc3:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16:rc4:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16:rc5:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16:rc6:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16:rc6:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16:rc7:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16:rc7:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.16:rc8:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.16:rc8:*:*:*:*:*:*
  • 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:5.18:-:*:*:*:*:*:*
    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:*:*:*:*:*:*:*

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