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CVE-2021-47360 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: binder: make sure fd closes complete During BC_FREE_BUFFER processing, the BINDER_TYPE_FDA object cleanup may close 1 or more fds. The close operations are completed using the task work mechanism -- which means the thread needs to return to userspace or the file object may never be dereferenced -- which can lead to hung processes. Force the binder thread back to userspace if an fd is closed during BC_FREE_BUFFER handling.


Severity



CVSS 4.0 Severity and Metrics:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

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Hyperlink Resource
https://git.kernel.org/stable/c/5fdb55c1ac9585eb23bb2541d5819224429e103d
https://git.kernel.org/stable/c/aa2c274c279ff365a06a4cba263f04965895166e
https://git.kernel.org/stable/c/b95483d8d94b41fa31a84c1d86710b7907a37621
https://git.kernel.org/stable/c/d5b0473707fa53b03a5db0256ce62b2874bddbc7

Weakness Enumeration

CWE-ID CWE Name Source

Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-47360
NVD Published Date:
05/21/2024
NVD Last Modified:
05/21/2024
Source:
kernel.org