CVE-2023-28328 — NULL Pointer Dereference in Kernel

CWE-476 — NULL Pointer Dereference32 documents8 sources
Severity
5.5MEDIUMNVD
OSV8.8OSV7.8OSV6.6OSV4.7
EPSS
0.0%
top 97.87%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Linux KernelRedhat Enterprise Linux
Timeline
PublishedApr 19
Latest updateSep 19

Description

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶CVEListV5linux/linux_kernelLinux Kernel prior to kernel 6.2 RC1 — 6.2
▶Debianlinux/linux_kernel< 5.10.178-1+3
▶Ubuntulinux/linux_kernel< 4.15.0-208.220+2

Also affects: Enterprise Linux 8.0

Patches

Patch: bugzilla.redhat.com ↗Patch: bugzilla.redhat.com ↗

🔴Vulnerability Details

16
OSV
linux-oem-6.0 vulnerabilities↗2023-09-19
▶
OSV
linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities↗2023-06-08
▶
GHSA
GHSA-mv2p-2vgw-5cpm: A NULL pointer dereference flaw was found in the az6027 driver in drivers/media/usb/dev-usb/az6027↗2023-04-20
▶
OSV
CVE-2023-28328: A NULL pointer dereference flaw was found in the az6027 driver in drivers/media/usb/dev-usb/az6027↗2023-04-19
▶
OSV
linux-snapdragon vulnerabilities↗2023-04-19
▶

📋Vendor Advisories

15
Ubuntu
Linux kernel (OEM) vulnerabilities↗2023-09-19
▶
Ubuntu
Linux kernel vulnerabilities↗2023-06-08
▶
Ubuntu
Linux kernel vulnerabilities↗2023-04-19
▶
Ubuntu
Linux kernel (Qualcomm Snapdragon) vulnerabilities↗2023-04-19
▶
Ubuntu
Linux kernel (Intel IoTG) vulnerabilities↗2023-04-11
▶
CVE-2023-28328 — NULL Pointer Dereference in Kernel | cvebase