CVE-2021-47147

MEDIUM

Linux Kernel 5.11-5.12.9 - Use-After-Free in PTP OCP Error Handling

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: ptp: ocp: Fix a resource leak in an error handling path If an error occurs after a successful 'pci_ioremap_bar()' call, it must be undone by a corresponding 'pci_iounmap()' call, as already done in the remove function.

References (2)

Core 2

Core References

Patch

https://git.kernel.org/stable/c/0e38e702f1152479e6afac34f151dbfd99417f99

Patch

https://git.kernel.org/stable/c/9c1bb37f8cad5e2ee1933fa1da9a6baa7876a8e4

Scores

CVSS v3 6.2

EPSS 0.0020

EPSS Percentile 10.0%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-401

Status published

Products (8)

Linux/Linux < 5.11

Linux/Linux 5.11

Linux/Linux 5.12.9 - 5.12.*

Linux/Linux 5.13

Linux/Linux a7e1abad13f3f0366ee625831fecda2b603cdc17 - 0e38e702f1152479e6afac34f151dbfd99417f99

Linux/Linux a7e1abad13f3f0366ee625831fecda2b603cdc17 - 9c1bb37f8cad5e2ee1933fa1da9a6baa7876a8e4

linux/linux_kernel 5.13 rc1 (3 CPE variants)

linux/linux_kernel 5.11 - 5.12.9

Published Mar 25, 2024

Tracked Since Feb 18, 2026