CVE-2026-43457

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-43457
In the Linux kernel, the following vulnerability has been resolved: mctp: i2c: fix skb memory leak in receive path When 'midev->allow_rx' is false, the newly allocated skb isn't consumed by netif_rx(), it needs to free the skb directly.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/0fb2adbdd5c03e8c9ebcdc48afd414b2724c85eb Patch
https://git.kernel.org/stable/c/1b1be322342a6b0085bf6ee52235e5ac9834ec25 Patch
https://git.kernel.org/stable/c/1ec54187e1aa40a4cfa2b265e9a311179f24b98d Patch
https://git.kernel.org/stable/c/9f81be2ab9d8e4744871bfb3e868ef413413829f Patch
https://git.kernel.org/stable/c/d7900a43b0a314a645ca0a2adf45928dbc7001f4 Patch
https://git.kernel.org/stable/c/e3f5e0f22cfc2371e7471c9fd5b4da78f9df7c69 Patch
Configurations

Configuration 1 (hide)

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:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*
History

21 May 2026, 16:50

Type Values Removed Values Added
CWE CWE-401
References () https://git.kernel.org/stable/c/0fb2adbdd5c03e8c9ebcdc48afd414b2724c85eb - () https://git.kernel.org/stable/c/0fb2adbdd5c03e8c9ebcdc48afd414b2724c85eb - Patch
References () https://git.kernel.org/stable/c/1b1be322342a6b0085bf6ee52235e5ac9834ec25 - () https://git.kernel.org/stable/c/1b1be322342a6b0085bf6ee52235e5ac9834ec25 - Patch
References () https://git.kernel.org/stable/c/1ec54187e1aa40a4cfa2b265e9a311179f24b98d - () https://git.kernel.org/stable/c/1ec54187e1aa40a4cfa2b265e9a311179f24b98d - Patch
References () https://git.kernel.org/stable/c/9f81be2ab9d8e4744871bfb3e868ef413413829f - () https://git.kernel.org/stable/c/9f81be2ab9d8e4744871bfb3e868ef413413829f - Patch
References () https://git.kernel.org/stable/c/d7900a43b0a314a645ca0a2adf45928dbc7001f4 - () https://git.kernel.org/stable/c/d7900a43b0a314a645ca0a2adf45928dbc7001f4 - Patch
References () https://git.kernel.org/stable/c/e3f5e0f22cfc2371e7471c9fd5b4da78f9df7c69 - () https://git.kernel.org/stable/c/e3f5e0f22cfc2371e7471c9fd5b4da78f9df7c69 - Patch
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*
First Time Linux linux Kernel
Linux
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5

08 May 2026, 15:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-05-08 15:16

Updated : 2026-05-21 16:50

NVD link : CVE-2026-43457

Mitre link : CVE-2026-43457

CVE.ORG link : CVE-2026-43457

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-401

Missing Release of Memory after Effective Lifetime