Vulnerability · Published Apr 24, 2023 · Assigned by mitre
CVE-2023-31083
Medium 4.7
In plain English
A medium-severity security flaw in the bpftool package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)4.7Medium
Exploit odds (30 days)0.3%top 74.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An issue was discovered in drivers/bluetooth/hci_ldisc.c in the Linux kernel 6.2. In hci_uart_tty_ioctl, there is a race condition between HCIUARTSETPROTO and HCIUARTGETPROTO. HCI_UART_PROTO_SET is set before hu->proto is set. A NULL pointer dereference may occur.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | bpftool | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | bpftool | 7.3.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | kernel | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-64k | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-64k-core | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-64k-debug | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-64k-debug-core | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-64k-debug-devel | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-64k-debug-devel-matched | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-64k-debug-modules | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-64k-debug-modules-core | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-64k-debug-modules-extra | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-64k-devel | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-64k-devel-matched | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-64k-modules | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-64k-modules-core | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-64k-modules-extra | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-abi-stablelists | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | kernel-abi-stablelists | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-core | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | kernel-core | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-cross-headers | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | kernel-cross-headers | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-debug | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | kernel-debug | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-debug-core | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | kernel-debug-core | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-debug-devel | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | kernel-debug-devel | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-debug-devel-matched | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-debug-modules | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | kernel-debug-modules | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-debug-modules-core | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-debug-modules-extra | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | kernel-debug-modules-extra | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-debug-uki-virt | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-devel | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | kernel-devel | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-devel-matched | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-doc | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | kernel-doc | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-headers | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | kernel-headers | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-modules | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | kernel-modules | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-modules-core | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-modules-extra | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | kernel-modules-extra | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-rt | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:9 | kernel-rt | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-rt-core | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:9 | kernel-rt-core | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-rt-debug | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:9 | kernel-rt-debug | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-rt-debug-core | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:9 | kernel-rt-debug-core | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-rt-debug-devel | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:9 | kernel-rt-debug-devel | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-rt-debug-kvm | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:8 | kernel-rt-debug-modules | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:9 | kernel-rt-debug-modules | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-rt-debug-modules-core | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-rt-debug-modules-extra | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:9 | kernel-rt-debug-modules-extra | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-rt-devel | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:9 | kernel-rt-devel | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-rt-kvm | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:8 | kernel-rt-modules | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:9 | kernel-rt-modules | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-rt-modules-core | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-rt-modules-extra | 4.18.0-553.rt7.342.el8_10 | ALSA-2024:2950 |
| AlmaLinux:9 | kernel-rt-modules-extra | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-tools | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | kernel-tools | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-tools-libs | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | kernel-tools-libs | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | kernel-tools-libs-devel | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-uki-virt | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-zfcpdump | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | kernel-zfcpdump | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-zfcpdump-core | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | kernel-zfcpdump-core | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-zfcpdump-devel | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | kernel-zfcpdump-devel | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-zfcpdump-devel-matched | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-zfcpdump-modules | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | kernel-zfcpdump-modules | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | kernel-zfcpdump-modules-core | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | kernel-zfcpdump-modules-extra | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | kernel-zfcpdump-modules-extra | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | libperf | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | perf | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | perf | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:8 | python3-perf | 4.18.0-553.el8_10 | ALSA-2024:3138 |
| AlmaLinux:9 | python3-perf | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | rtla | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| AlmaLinux:9 | rv | 5.14.0-427.13.1.el9_4 | ALSA-2024:2394 |
| Debian:12 | linux | 6.1.112-1 | DSA-5782-1 |
| Debian:12 | linux | 6.1.112-1 | DEBIAN-CVE-2023-31083 |
| Debian:13 | linux | 6.5.8-1 | DEBIAN-CVE-2023-31083 |
| Debian:14 | linux | 6.5.8-1 | DEBIAN-CVE-2023-31083 |
| Rocky Linux:8 | kernel | 0:4.18.0-553.123.1.el8_10.cloud.0.1 | RXSA-2024:3138 |
| Rocky Linux:8 | kernel | 0:4.18.0-553.el8_10 | RLSA-2024:3138 |
| Rocky Linux:8 | kernel-rt | 0:4.18.0-553.rt7.342.el8_10 | RLSA-2024:2950 |
| Ubuntu:22.04:LTS | linux | 5.15.0-88.98 | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux | 5.15.0-88.98 | USN-6465-1 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1049.54 | USN-6465-1 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1049.54 | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | 6.2.0-1015.15~22.04.1 | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | 6.2.0-1015.15~22.04.1 | USN-6464-1 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1051.59 | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1051.59 | USN-6465-1 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | 6.2.0-1016.16~22.04.1 | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | 6.2.0-1016.16~22.04.1 | USN-6464-1 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1051.59.1 | USN-6465-1 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1051.59.1 | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | 6.2.0-1016.16~22.04.1.1 | USN-6464-1 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | 6.2.0-1016.16~22.04.1.1 | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1046.54 | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1046.54 | USN-6465-1 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | 6.2.0-1018.20~22.04.1 | USN-6464-1 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | 6.2.0-1018.20~22.04.1 | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1046.51 | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1046.51 | USN-6465-3 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1032.38 | USN-6465-1 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1032.38 | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | 6.2.0-36.37~22.04.1 | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | 6.2.0-36.37~22.04.1 | USN-6464-1 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1042.45 | USN-6465-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1042.45 | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1045.51 | USN-6516-1 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1045.51 | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1046.51 | USN-6465-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1046.51 | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-88.98 | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-88.98 | USN-6465-1 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | 6.2.0-1016.16~22.04.1 | USN-6464-1 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | 6.2.0-1016.16~22.04.1 | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1040.40 | USN-6465-1 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1040.40 | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | 6.2.0-1011.11 | USN-6466-1 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | 6.2.0-1011.11 | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1019.19 | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1006.6 | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1047.53 | USN-6465-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1047.53 | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1042.45 | USN-6465-2 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1042.45 | UBUNTU-CVE-2023-31083 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | 6.2.0-1009.10~22.04.1 | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | 6.2.0-1009.10~22.04.1 | USN-6520-1 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2023-31083 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1025.29 | UBUNTU-CVE-2023-31083 |
Affected products (as reported)
References
- https://lore.kernel.org/all/CA+UBctC3p49aTgzbVgkSZ2+TQcqq4fPDO7yZitFT5uBPDeCO2g%40mail.gmail.com/
- https://security.netapp.com/advisory/ntap-20230929-0003/
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9c33663af9ad115f90c076a1828129a3fbadea98
- https://bugzilla.suse.com/show_bug.cgi?id=1210780
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
- https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html