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CVE-2023-31084 Detail

Description

An issue was discovered in drivers/media/dvb-core/dvb_frontend.c in the Linux kernel 6.2. There is a blocking operation when a task is in !TASK_RUNNING. In dvb_frontend_get_event, wait_event_interruptible is called; the condition is dvb_frontend_test_event(fepriv,events). In dvb_frontend_test_event, down(&fepriv->sem) is called. However, wait_event_interruptible would put the process to sleep, and down(&fepriv->sem) may block the process.


Metrics

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CVSS 4.0 Severity and Vector Strings:

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

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Hyperlink Resource
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b8c75e4a1b325ea0a9433fa8834be97b5836b946
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b8c75e4a1b325ea0a9433fa8834be97b5836b946
https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html Mailing List  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6HIEOLEOURP4BJZMIL7UGGPYRRB44UDN/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6HIEOLEOURP4BJZMIL7UGGPYRRB44UDN/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AOATNX5UFL7V7W2QDIQKOHFFHYKWFP4W/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AOATNX5UFL7V7W2QDIQKOHFFHYKWFP4W/
https://lore.kernel.org/all/CA+UBctCu7fXn4q41O_3=id1+OdyQ85tZY1x+TkT-6OVBL6KAUw%40mail.gmail.com/
https://lore.kernel.org/all/CA+UBctCu7fXn4q41O_3=id1+OdyQ85tZY1x+TkT-6OVBL6KAUw%40mail.gmail.com/
https://security.netapp.com/advisory/ntap-20230929-0003/ Third Party Advisory 
https://security.netapp.com/advisory/ntap-20230929-0003/ Third Party Advisory 
https://www.debian.org/security/2023/dsa-5448 Third Party Advisory 
https://www.debian.org/security/2023/dsa-5448 Third Party Advisory 
https://www.debian.org/security/2023/dsa-5480 Third Party Advisory 
https://www.debian.org/security/2023/dsa-5480 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

12 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2023-31084
NVD Published Date:
04/24/2023
NVD Last Modified:
11/21/2024
Source:
MITRE