CVE-2024-26692 Vulnerability Analysis & Exploit Details

CVE-2024-26692
Vulnerability Scoring

8.3
/10
Severe Risk

Cybersecurity professionals consider CVE-2024-26692 an immediate threat requiring urgent mitigation.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: None
    No privileges are required for exploitation.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: Required
    User interaction is necessary for successful exploitation.

CVE-2024-26692 Details

Status: Modified

Last updated: 🕚 04 Aug 2026, 11:16 UTC
Originally published on: 🕒 03 Apr 2024, 15:15 UTC

Time between publication and last update: 852 days

CVSS Release: version 3

CVSS3 Source

416baaa9-dc9f-4396-8d5f-8c081fb06d67

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2024-26692 Vulnerability Summary

CVE-2024-26692: In the Linux kernel, the following vulnerability has been resolved: smb: Fix regression in writes when non-standard maximum write size negotiated The conversion to netfs in the 6.3 kernel caused a regression when maximum write size is set by the server to an unexpected value which is not a multiple of 4096 (similarly if the user overrides the maximum write size by setting mount parm "wsize", but sets it to a value that is not a multiple of 4096). When negotiated write size is not a multiple of 4096 the netfs code can skip the end of the final page when doing large sequential writes, causing data corruption. This section of code is being rewritten/removed due to a large netfs change, but until that point (ie for the 6.3 kernel until now) we can not support non-standard maximum write sizes. Add a warning if a user specifies a wsize on mount that is not a multiple of 4096 (and round down), also add a change where we round down the maximum write size if the server negotiates a value that is not a multiple of 4096 (we also have to check to make sure that we do not round it down to zero).

Assessing the Risk of CVE-2024-26692

Access Complexity Graph

The exploitability of CVE-2024-26692 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-2024-26692

With low attack complexity and no required privileges, CVE-2024-26692 is an easy target for cybercriminals. Organizations should prioritize immediate mitigation measures to prevent unauthorized access and data breaches.

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-2024-26692, 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-2024-26692, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: Low
    CVE-2024-26692 could lead to minor leaks of non-critical information without major privacy breaches.
  • Integrity: High
    CVE-2024-26692 could allow unauthorized modifications to data, potentially affecting system reliability and trust.
  • Availability: High
    CVE-2024-26692 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-2024-26692 References

External References

CWE Common Weakness Enumeration

CWE-787

Vulnerable Configurations

  • cpe:2.3:o:linux:linux_kernel:6.3:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.3:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.3.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.3.1:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.3.2:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.3.2:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.3.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.3.3:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.3.4:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.3.4:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.3.5:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.3.5:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.3.6:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.3.6:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.3.7:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.3.7:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.3.8:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.3.8:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.3.9:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.3.9:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.3.10:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.3.10:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.3.11:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.3.11:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.3.12:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.3.12:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.3.13:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.3.13:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.3:rc3:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.3:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.3:rc4:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.3:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.3:rc5:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.3:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.3:rc6:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.3:rc6:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.3:rc7:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.3:rc7:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4.1:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4.2:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4.2:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4.3:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4.4:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4.4:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4.5:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4.5:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4.6:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4.6:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4.7:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4.7:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4.8:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4.8:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4.9:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4.9:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4.10:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4.10:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4.11:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4.11:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4.12:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4.12:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4.13:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4.13:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4.14:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4.14:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4.15:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4.15:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4.16:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4.16:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4:rc1:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4:rc2:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4:rc3:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4:rc4:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4:rc5:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4:rc6:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4:rc6:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.4:rc7:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.4:rc7:*:*:*:*:*:*
  • 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:6.7:-:*:*:*:*:*:*
    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:6.8: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:6.8:rc3:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.8:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.8:rc4:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.8:rc4:*:*:*:*:*:*

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