SARA / Free Tools / CVE / CVE-2023-28328

CVE-2023-28328 — A NULL pointer dereference flaw was found in the az6027 driver in drivers/media/

A NULL pointer dereference flaw was found in the az6027 driver in drivers/media/usb/dev-usb/az6027.c in the Linux Kernel. The message from user space is not checked properly before transferring into the device. This flaw allows a local user to crash the system or potentially caus

CVSS
— —
EPSS
0.01% (top 98.00%)
CWE
CWE-476
Published
2023-04-19T00:00:00.000Z
Last modified
2025-03-19T15:34:25.493Z
CVSS vector
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01What is this vulnerability?

A NULL pointer dereference flaw was found in the az6027 driver in drivers/media/usb/dev-usb/az6027.c in the Linux Kernel. The message from user space is not checked properly before transferring into the device. This flaw allows a local user to crash the system or potentially cause a denial of service.

02Affected products

VendorProductVersions
na / LinuxLinux Kernel prior to kernel 6.2 RC1

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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