CVE-2024-38636

5.5 · MEDIUM

Published Jun 21, 2024 linux EPSS 0.21% (11th pctl) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Overview

CVE-2024-38636 is a medium-severity vulnerability affecting linux linux_kernel. It was published on June 21, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical Description

In the Linux kernel, the following vulnerability has been resolved:

f2fs: multidev: fix to recognize valid zero block address

As reported by Yi Zhang in mailing list [1], kernel warning was catched

during zbd/010 test as below:

./check zbd/010

zbd/010 (test gap zone support with F2FS) [failed]

runtime ... 3.752s

something found in dmesg:

[ 4378.146781] run blktests zbd/010 at 2024-02-18 11:31:13

[ 4378.192349] null_blk: module loaded

[ 4378.209860] null_blk: disk nullb0 created

[ 4378.413285] scsi_debug:sdebug_driver_probe: scsi_debug: trim

poll_queues to 0. poll_q/nr_hw = (0/1)

[ 4378.422334] scsi host15: scsi_debug: version 0191 [20210520]

dev_size_mb=1024, opts=0x0, submit_queues=1, statistics=0

[ 4378.434922] scsi 15:0:0:0: Direct-Access-ZBC Linux

scsi_debug 0191 PQ: 0 ANSI: 7

[ 4378.443343] scsi 15:0:0:0: Power-on or device reset occurred

[ 4378.449371] sd 15:0:0:0: Attached scsi generic s

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor	Product	Versions	Status
linux	linux_kernel	>= 5.17, < 6.1.93	Affected

References

Frequently Asked Questions

What is CVE-2024-38636?

CVE-2024-38636 is a medium-severity vulnerability affecting linux linux_kernel. It was published on June 21, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-38636?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-38636?

How can CyberStrike help with CVE-2024-38636?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-38636 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

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HackBrowser

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