CVE-2023-31084 (Medium) detected in linux-yoctov5.4.51

[mend-bolt-for-github[bot]]

CVE-2023-31084 - Medium Severity Vulnerability

Vulnerable Library - linux-yoctov5.4.51

Yocto Linux Embedded kernel

Library home page: https://git.yoctoproject.org/git/linux-yocto

Found in HEAD commit: fd7d4a1ec69b1b0468bf77f825beb235061a108e

Found in base branch: master

Vulnerable Source Files (2)

/drivers/media/dvb-core/dvb_frontend.c /drivers/media/dvb-core/dvb_frontend.c

Vulnerability Details

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.

Publish Date: 2023-04-24

URL: CVE-2023-31084

CVSS 3 Score Details (5.5)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Local - Attack Complexity: Low - Privileges Required: Low - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: None - Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://www.linuxkernelcves.com/cves/CVE-2023-31084

Release Date: 2023-04-24

Fix Resolution: v6.4-rc3

---

Step up your Open Source Security Game with Mend here

[mend-bolt-for-github[bot]]

:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.

[mend-bolt-for-github[bot]]

:information_source: This issue was automatically re-opened by Mend because the vulnerable library in the specific branch(es) has been detected in the Mend inventory.