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.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Linux
  • Linux Kernel

Configuration 1 [-]

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*

No data.

References
Link Providers
https://git.kernel.org/stable/c/2719f82ad5d8199cf5f346ea8bb3998ad5323b72 cve-icon cve-icon
https://git.kernel.org/stable/c/3eb3d283e8579a22b81dd2ac3987b77465b2a22f cve-icon cve-icon
https://git.kernel.org/stable/c/69e86c6268d59ceddd0abe9ae8f1f5296f316c3c cve-icon cve-icon
https://git.kernel.org/stable/c/d0513b095e1ef1469718564dec3fb3348556d0a8 cve-icon cve-icon
https://git.kernel.org/stable/c/f8e0edeaa0f2b860bdbbf0aafb4492533043d650 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025050141-CVE-2022-49845-2a75@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2022-49845 cve-icon
https://www.cve.org/CVERecord?id=CVE-2022-49845 cve-icon
History

Wed, 01 Oct 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 07 May 2025 14:00:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Weaknesses CWE-908
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel

Fri, 02 May 2025 14:00:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Moderate

Thu, 01 May 2025 14:30:00 +0000

Type Values Removed Values 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.
Title can: j1939: j1939_send_one(): fix missing CAN header initialization
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2025-05-01T14:09:59.718Z

Updated: 2025-10-01T17:00:17.827Z

Reserved: 2025-05-01T14:05:17.230Z

Link: CVE-2022-49845

cve-icon Vulnrichment

Updated: 2025-10-01T14:34:42.103Z

cve-icon NVD

Status : Modified

Published: 2025-05-01T15:16:08.010

Modified: 2025-10-01T17:15:34.000

Link: CVE-2022-49845

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-05-01T00:00:00Z

Links: CVE-2022-49845 - Bugzilla