Vulnerability · Published Apr 19, 2023 · Assigned by redhat
CVE-2023-28328
Medium 5.5
In plain English
A medium-severity null pointer dereference in Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 87.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | bpftool | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-abi-stablelists | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-core | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-cross-headers | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-debug | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-debug-core | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-debug-devel | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-debug-modules | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-debug-modules-extra | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-devel | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-doc | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-headers | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-modules | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-modules-extra | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-tools | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-tools-libs | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-zfcpdump | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-zfcpdump-core | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-zfcpdump-devel | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-zfcpdump-modules | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | kernel-zfcpdump-modules-extra | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | perf | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| AlmaLinux:8 | python3-perf | 4.18.0-513.5.1.el8_9 | ALSA-2023:7077 |
| Debian:12 | linux | 6.1.4-1 | DEBIAN-CVE-2023-28328 |
| Debian:13 | linux | 6.1.4-1 | DEBIAN-CVE-2023-28328 |
| Debian:14 | linux | 6.1.4-1 | DEBIAN-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux | 5.15.0-69.76 | USN-5982-1 |
| Ubuntu:22.04:LTS | linux | 5.15.0-69.76 | UBUNTU-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | 5.19.0-1010.10~22.04.1 | UBUNTU-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1033.37 | USN-5982-1 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1033.37 | UBUNTU-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1035.42 | USN-5982-1 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1035.42 | UBUNTU-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | 5.19.0-1023.24~22.04.1 | UBUNTU-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1035.42.1 | USN-5982-1 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1035.42.1 | UBUNTU-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1031.38 | UBUNTU-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1031.38 | USN-5982-1 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | 5.19.0-1021.23~22.04.1 | UBUNTU-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1030.35 | USN-5987-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1030.35 | UBUNTU-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1017.22 | UBUNTU-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1017.22 | USN-5982-1 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | 5.19.0-40.41~22.04.1 | USN-6024-1 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | 5.19.0-40.41~22.04.1 | UBUNTU-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1027.30 | UBUNTU-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1027.30 | USN-5987-1 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1027.32 | UBUNTU-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1027.32 | USN-6004-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1030.35 | USN-5987-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1030.35 | UBUNTU-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-69.76 | UBUNTU-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-69.76 | USN-5982-1 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | 5.19.0-1022.23~22.04.1 | UBUNTU-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1023.23 | UBUNTU-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | 6.0.0-1021.21 | USN-6385-1 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | 6.0.0-1021.21 | UBUNTU-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | 6.1.0-1006.6 | UBUNTU-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1032.38 | USN-5982-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1032.38 | UBUNTU-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1026.28 | USN-5982-1 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1026.28 | UBUNTU-CVE-2023-28328 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-28328 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-28328 |
Affected products (as reported)
Weakness: CWE-476 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H