7.8
HIGH
CVE-2024-40956
NXP idxd Use-After-Free
Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix possible Use-After-Free in irq_process_work_list Use list_for_each_entry_safe() to allow iterating through the list and deleting the entry in the iteration process. The descriptor is freed via idxd_desc_complete() and there's a slight chance may cause issue for the list iterator when the descriptor is reused by another thread without it being deleted from the list.

INFO

Published Date :

July 12, 2024, 1:15 p.m.

Last Modified :

Aug. 28, 2024, 6:58 p.m.

Source :

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

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2024-40956 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-40956 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-40956 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Aug. 28, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://git.kernel.org/stable/c/1b08bf5a17c66ab7dbb628df5344da53c8e7ab33 No Types Assigned https://git.kernel.org/stable/c/1b08bf5a17c66ab7dbb628df5344da53c8e7ab33 Patch
    Changed Reference Type https://git.kernel.org/stable/c/83163667d881100a485b6c2daa30301b7f68d9b5 No Types Assigned https://git.kernel.org/stable/c/83163667d881100a485b6c2daa30301b7f68d9b5 Patch
    Changed Reference Type https://git.kernel.org/stable/c/a14968921486793f2a956086895c3793761309dd No Types Assigned https://git.kernel.org/stable/c/a14968921486793f2a956086895c3793761309dd Patch
    Changed Reference Type https://git.kernel.org/stable/c/e3215deca4520773cd2b155bed164c12365149a7 No Types Assigned https://git.kernel.org/stable/c/e3215deca4520773cd2b155bed164c12365149a7 Patch
    Changed Reference Type https://git.kernel.org/stable/c/faa35db78b058a2ab6e074ee283f69fa398c36a8 No Types Assigned https://git.kernel.org/stable/c/faa35db78b058a2ab6e074ee283f69fa398c36a8 Patch
    Added CWE NIST CWE-416
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.162 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.96 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.36 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.9.7 *cpe:2.3:o:linux:linux_kernel:6.10:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.10:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.10:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.10:rc4:*:*:*:*:*:*
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Jul. 12, 2024

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix possible Use-After-Free in irq_process_work_list Use list_for_each_entry_safe() to allow iterating through the list and deleting the entry in the iteration process. The descriptor is freed via idxd_desc_complete() and there's a slight chance may cause issue for the list iterator when the descriptor is reused by another thread without it being deleted from the list.
    Added Reference kernel.org https://git.kernel.org/stable/c/1b08bf5a17c66ab7dbb628df5344da53c8e7ab33 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/83163667d881100a485b6c2daa30301b7f68d9b5 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/faa35db78b058a2ab6e074ee283f69fa398c36a8 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/a14968921486793f2a956086895c3793761309dd [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/e3215deca4520773cd2b155bed164c12365149a7 [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-40956 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2024-40956 weaknesses.

CVSS31 - Vulnerability Scoring System
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