CVE-2024-38385 Vulnerability Analysis & Exploit Details

CVE-2024-38385
Vulnerability Scoring

5.5
/10
Significant Risk

Security assessments indicate that CVE-2024-38385 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-2024-38385 Details

Status: Analyzed

Last updated: 🕠 03 Sep 2024, 17:59 UTC
Originally published on: 🕒 25 Jun 2024, 15:15 UTC

Time between publication and last update: 70 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-2024-38385 Vulnerability Summary

CVE-2024-38385: In the Linux kernel, the following vulnerability has been resolved: genirq/irqdesc: Prevent use-after-free in irq_find_at_or_after() irq_find_at_or_after() dereferences the interrupt descriptor which is returned by mt_find() while neither holding sparse_irq_lock nor RCU read lock, which means the descriptor can be freed between mt_find() and the dereference: CPU0 CPU1 desc = mt_find() delayed_free_desc(desc) irq_desc_get_irq(desc) The use-after-free is reported by KASAN: Call trace: irq_get_next_irq+0x58/0x84 show_stat+0x638/0x824 seq_read_iter+0x158/0x4ec proc_reg_read_iter+0x94/0x12c vfs_read+0x1e0/0x2c8 Freed by task 4471: slab_free_freelist_hook+0x174/0x1e0 __kmem_cache_free+0xa4/0x1dc kfree+0x64/0x128 irq_kobj_release+0x28/0x3c kobject_put+0xcc/0x1e0 delayed_free_desc+0x14/0x2c rcu_do_batch+0x214/0x720 Guard the access with a RCU read lock section.

Assessing the Risk of CVE-2024-38385

Access Complexity Graph

The exploitability of CVE-2024-38385 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-2024-38385

CVE-2024-38385 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-2024-38385, 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-2024-38385, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2024-38385 has no significant impact on data confidentiality.
  • Integrity: None
    CVE-2024-38385 poses no threat to data integrity.
  • Availability: High
    CVE-2024-38385 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: 0.042% (probability of exploit)

EPSS Percentile: 5.07% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 94.93% of others.

CVE-2024-38385 References

External References

CWE Common Weakness Enumeration

CWE-416

Vulnerable Configurations

  • cpe:2.3:o:linux:linux_kernel:6.5:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.5:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.5.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.5.1:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.5.2:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.5.2:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.5.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.5.3:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.5.4:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.5.4:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.5.5:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.5.5:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.5.6:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.5.6:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.5.7:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.5.7:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.5.8:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.5.8:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.5.9:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.5.9:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.5.10:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.5.10:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.5.11:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.5.11:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.5.12:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.5.12:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.5.13:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.5.13:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.5:rc1:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.5:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.5:rc2:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.5:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.5:rc3:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.5:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.5:rc4:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.5:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.5:rc5:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.5:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.5:rc6:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.5:rc6:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.5:rc7:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.5:rc7:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.1:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.2:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.2:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.3:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.4:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.4:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.5:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.5:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.6:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.6:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.7:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.7:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.8:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.8:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.9:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.9:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.10:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.10:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.11:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.11:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.12:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.12:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.13:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.13:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.14:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.14:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.15:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.15:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.16:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.16:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.17:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.17:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.18:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.18:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.19:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.19:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.20:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.20:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.29:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.29:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.30:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.30:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.32:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.32:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.33:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.33:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.7:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.7:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.7.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.7.1:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.7.2:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.7.2:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.7.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.7.3:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.7.4:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.7.4:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.7.5:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.7.5:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.7.6:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.7.6:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.7.7:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.7.7:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.7.8:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.7.8:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.7:rc1:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.7:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.7:rc2:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.7:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.7:rc3:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.7:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.7:rc4:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.7:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.7:rc5:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.7:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.7:rc6:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.7:rc6:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.7:rc7:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.7:rc7:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.7:rc8:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.7:rc8:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.8:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.8:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.8.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.8.3:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.8.8:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.8.8:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.8.11:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.8.11:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.8.12:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.8.12:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.9:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.9:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.9.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.9.1:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.9.2:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.9.2:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.9.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.9.3:*:*:*:*:*:*:*

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