5.5
MEDIUM
CVE-2022-48768
Linux Kernel Missing Free Memory Leak Vulnerability
Description

In the Linux kernel, the following vulnerability has been resolved: tracing/histogram: Fix a potential memory leak for kstrdup() kfree() is missing on an error path to free the memory allocated by kstrdup(): p = param = kstrdup(data->params[i], GFP_KERNEL); So it is better to free it via kfree(p).

INFO

Published Date :

June 20, 2024, 12:15 p.m.

Last Modified :

Sept. 9, 2024, 12:59 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-2022-48768 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-2022-48768 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-48768 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]

    Sep. 09, 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/8a8878ebb596281f50fc0b9a6e1f23f0d7f154e8 No Types Assigned https://git.kernel.org/stable/c/8a8878ebb596281f50fc0b9a6e1f23f0d7f154e8 Patch
    Changed Reference Type https://git.kernel.org/stable/c/d71b06aa995007eafd247626d0669b9364c42ad7 No Types Assigned https://git.kernel.org/stable/c/d71b06aa995007eafd247626d0669b9364c42ad7 Patch
    Changed Reference Type https://git.kernel.org/stable/c/df86e2fe808c3536a9dba353cc2bebdfea00d0cf No Types Assigned https://git.kernel.org/stable/c/df86e2fe808c3536a9dba353cc2bebdfea00d0cf Patch
    Changed Reference Type https://git.kernel.org/stable/c/e33fa4a46ee22de88a700e2e3d033da8214a5175 No Types Assigned https://git.kernel.org/stable/c/e33fa4a46ee22de88a700e2e3d033da8214a5175 Patch
    Changed Reference Type https://git.kernel.org/stable/c/e629e7b525a179e29d53463d992bdee759c950fb No Types Assigned https://git.kernel.org/stable/c/e629e7b525a179e29d53463d992bdee759c950fb Patch
    Added CWE NIST CWE-401
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.4.19 up to (excluding) 5.4.176 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.6 up to (excluding) 5.10.96 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.19 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 5.16.5 *cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Jun. 20, 2024

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: tracing/histogram: Fix a potential memory leak for kstrdup() kfree() is missing on an error path to free the memory allocated by kstrdup(): p = param = kstrdup(data->params[i], GFP_KERNEL); So it is better to free it via kfree(p).
    Added Reference kernel.org https://git.kernel.org/stable/c/8a8878ebb596281f50fc0b9a6e1f23f0d7f154e8 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/d71b06aa995007eafd247626d0669b9364c42ad7 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/e33fa4a46ee22de88a700e2e3d033da8214a5175 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/df86e2fe808c3536a9dba353cc2bebdfea00d0cf [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/e629e7b525a179e29d53463d992bdee759c950fb [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-2022-48768 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-2022-48768 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
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