5.5
MEDIUM
CVE-2022-49845
Linux kernel: CAN - Missing Initialization of Reserved Elements
Description

In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939_send_one(): fix missing CAN header initialization The read access to struct canxl_frame::len inside of a j1939 created skbuff revealed a missing initialization of reserved and later filled elements in struct can_frame. This patch initializes the 8 byte CAN header with zero.

INFO

Published Date :

May 1, 2025, 3:16 p.m.

Last Modified :

May 7, 2025, 1:32 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-2022-49845 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-2022-49845 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-49845 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]

    May. 07, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-908
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.79 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.0.9 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.155 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.4 up to (excluding) 5.4.225
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/2719f82ad5d8199cf5f346ea8bb3998ad5323b72 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/3eb3d283e8579a22b81dd2ac3987b77465b2a22f Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/69e86c6268d59ceddd0abe9ae8f1f5296f316c3c Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/d0513b095e1ef1469718564dec3fb3348556d0a8 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/f8e0edeaa0f2b860bdbbf0aafb4492533043d650 Types: Patch
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 01, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939_send_one(): fix missing CAN header initialization The read access to struct canxl_frame::len inside of a j1939 created skbuff revealed a missing initialization of reserved and later filled elements in struct can_frame. This patch initializes the 8 byte CAN header with zero.
    Added Reference https://git.kernel.org/stable/c/2719f82ad5d8199cf5f346ea8bb3998ad5323b72
    Added Reference https://git.kernel.org/stable/c/3eb3d283e8579a22b81dd2ac3987b77465b2a22f
    Added Reference https://git.kernel.org/stable/c/69e86c6268d59ceddd0abe9ae8f1f5296f316c3c
    Added Reference https://git.kernel.org/stable/c/d0513b095e1ef1469718564dec3fb3348556d0a8
    Added Reference https://git.kernel.org/stable/c/f8e0edeaa0f2b860bdbbf0aafb4492533043d650
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-2022-49845 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-2022-49845 weaknesses.

CVSS31 - Vulnerability Scoring System
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Latest DB Update: Jun. 07, 2025 19:01