5.5
MEDIUM
CVE-2022-48863
"mISDN Kernel Memory Leak"
Description

In the Linux kernel, the following vulnerability has been resolved: mISDN: Fix memory leak in dsp_pipeline_build() dsp_pipeline_build() allocates dup pointer by kstrdup(cfg), but then it updates dup variable by strsep(&dup, "|"). As a result when it calls kfree(dup), the dup variable contains NULL. Found by Linux Driver Verification project (linuxtesting.org) with SVACE.

INFO

Published Date :

July 16, 2024, 1:15 p.m.

Last Modified :

July 23, 2024, 2:47 p.m.

Source :

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

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2022-48863 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
References to Advisories, Solutions, and Tools

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-2022-48863 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-48863 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]

    Jul. 23, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://git.kernel.org/stable/c/640445d6fc059d4514ffea79eb4196299e0e2d0f No Types Assigned https://git.kernel.org/stable/c/640445d6fc059d4514ffea79eb4196299e0e2d0f Patch
    Changed Reference Type https://git.kernel.org/stable/c/7777b1f795af1bb43867375d8a776080111aae1b No Types Assigned https://git.kernel.org/stable/c/7777b1f795af1bb43867375d8a776080111aae1b Patch
    Changed Reference Type https://git.kernel.org/stable/c/a3d5fcc6cf2ecbba5a269631092570aa285a24cb No Types Assigned https://git.kernel.org/stable/c/a3d5fcc6cf2ecbba5a269631092570aa285a24cb Patch
    Changed Reference Type https://git.kernel.org/stable/c/c6a502c2299941c8326d029cfc8a3bc8a4607ad5 No Types Assigned https://git.kernel.org/stable/c/c6a502c2299941c8326d029cfc8a3bc8a4607ad5 Patch
    Added CWE NIST CWE-401
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 2.6.27 up to (excluding) 5.10.106 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.29 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 5.16.15
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Jul. 16, 2024

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: mISDN: Fix memory leak in dsp_pipeline_build() dsp_pipeline_build() allocates dup pointer by kstrdup(cfg), but then it updates dup variable by strsep(&dup, "|"). As a result when it calls kfree(dup), the dup variable contains NULL. Found by Linux Driver Verification project (linuxtesting.org) with SVACE.
    Added Reference kernel.org https://git.kernel.org/stable/c/a3d5fcc6cf2ecbba5a269631092570aa285a24cb [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/7777b1f795af1bb43867375d8a776080111aae1b [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/640445d6fc059d4514ffea79eb4196299e0e2d0f [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/c6a502c2299941c8326d029cfc8a3bc8a4607ad5 [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-2022-48863 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-2022-48863 weaknesses.

CVSS31 - Vulnerability Scoring System
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