Review reviewHigh

CVE-2024-35856

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: mediatek: Fix double free of skb in coredump hci_devcd_append() would free the skb on error so the caller don't have to free it again otherwise it would cause the double free of skb. Reported-by : Dan Carpenter <dan.carpenter@linaro.org>

CVSS: 7.8
EPSS: 0.37%
CISA KEV: Not listed
Published: 2024.05.18

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.37%

Technical severityCVSS 7.8

Vulnerability overview

Affected product and versions

Product: Linux Linux, linux kernel
Affected versions: >= 0b70151328781a89c89e4cf3fae21fc0e98d869e < 80dfef128cb9f1b1ef67c0fe8c8deb4ea7ad30c1, >= 0b70151328781a89c89e4cf3fae21fc0e98d869e < e20093c741d8da9f6390dd45d75b779861547035, >= 0b70151328781a89c89e4cf3fae21fc0e98d869e < 18bdb386a1a30e7a3d7732a98e45e69cf6b5710d, >= 6.6, >= 6.6 < 6.6.30, >= 6.7 < 6.8.9, 6.9
Fixed versions: 6.6.30, 6.8.9

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Linux Linux, linux kernel and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-415