Vulnerability · Published Mar 15, 2023 · Assigned by mitre
CVE-2023-28466
High 7.0
In plain English
A high-severity null pointer dereference 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 20% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.0High
Exploit odds (30 days)0.3%top 80.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
do_tls_getsockopt in net/tls/tls_main.c in the Linux kernel through 6.2.6 lacks a lock_sock call, leading to a race condition (with a resultant use-after-free or NULL pointer dereference).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | bpftool | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:9 | bpftool | 7.0.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:8 | kernel | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:9 | kernel | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:9 | kernel-64k | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:9 | kernel-64k-core | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:9 | kernel-64k-debug | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:9 | kernel-64k-debug-core | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:9 | kernel-64k-debug-devel | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:9 | kernel-64k-debug-devel-matched | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:9 | kernel-64k-debug-modules | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:9 | kernel-64k-debug-modules-core | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:9 | kernel-64k-debug-modules-extra | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:9 | kernel-64k-devel | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:9 | kernel-64k-devel-matched | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:9 | kernel-64k-modules | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:9 | kernel-64k-modules-core | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:9 | kernel-64k-modules-extra | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:8 | kernel-abi-stablelists | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:9 | kernel-abi-stablelists | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:8 | kernel-core | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:9 | kernel-core | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:8 | kernel-cross-headers | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:8 | kernel-debug | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:9 | kernel-debug | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:8 | kernel-debug-core | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:9 | kernel-debug-core | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:8 | kernel-debug-devel | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:9 | kernel-debug-devel | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:9 | kernel-debug-devel-matched | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:8 | kernel-debug-modules | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:9 | kernel-debug-modules | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:9 | kernel-debug-modules-core | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:8 | kernel-debug-modules-extra | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:9 | kernel-debug-modules-extra | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:9 | kernel-debug-uki-virt | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:8 | kernel-devel | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:9 | kernel-devel | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:9 | kernel-devel-matched | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:8 | kernel-doc | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:8 | kernel-modules | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:9 | kernel-modules | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:9 | kernel-modules-core | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:8 | kernel-modules-extra | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:9 | kernel-modules-extra | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:8 | kernel-rt | 4.18.0-477.15.1.rt7.278.el8_8 | ALSA-2023:3819 |
| AlmaLinux:9 | kernel-rt | 5.14.0-284.18.1.rt14.303.el9_2 | ALSA-2023:3708 |
| AlmaLinux:8 | kernel-rt-core | 4.18.0-477.15.1.rt7.278.el8_8 | ALSA-2023:3819 |
| AlmaLinux:9 | kernel-rt-core | 5.14.0-284.18.1.rt14.303.el9_2 | ALSA-2023:3708 |
| AlmaLinux:8 | kernel-rt-debug | 4.18.0-477.15.1.rt7.278.el8_8 | ALSA-2023:3819 |
| AlmaLinux:9 | kernel-rt-debug | 5.14.0-284.18.1.rt14.303.el9_2 | ALSA-2023:3708 |
| AlmaLinux:8 | kernel-rt-debug-core | 4.18.0-477.15.1.rt7.278.el8_8 | ALSA-2023:3819 |
| AlmaLinux:9 | kernel-rt-debug-core | 5.14.0-284.18.1.rt14.303.el9_2 | ALSA-2023:3708 |
| AlmaLinux:8 | kernel-rt-debug-devel | 4.18.0-477.15.1.rt7.278.el8_8 | ALSA-2023:3819 |
| AlmaLinux:9 | kernel-rt-debug-devel | 5.14.0-284.18.1.rt14.303.el9_2 | ALSA-2023:3708 |
| AlmaLinux:8 | kernel-rt-debug-kvm | 4.18.0-477.15.1.rt7.278.el8_8 | ALSA-2023:3819 |
| AlmaLinux:9 | kernel-rt-debug-kvm | 5.14.0-284.18.1.rt14.303.el9_2 | ALSA-2023:3708 |
| AlmaLinux:8 | kernel-rt-debug-modules | 4.18.0-477.15.1.rt7.278.el8_8 | ALSA-2023:3819 |
| AlmaLinux:9 | kernel-rt-debug-modules | 5.14.0-284.18.1.rt14.303.el9_2 | ALSA-2023:3708 |
| AlmaLinux:9 | kernel-rt-debug-modules-core | 5.14.0-284.18.1.rt14.303.el9_2 | ALSA-2023:3708 |
| AlmaLinux:8 | kernel-rt-debug-modules-extra | 4.18.0-477.15.1.rt7.278.el8_8 | ALSA-2023:3819 |
| AlmaLinux:9 | kernel-rt-debug-modules-extra | 5.14.0-284.18.1.rt14.303.el9_2 | ALSA-2023:3708 |
| AlmaLinux:8 | kernel-rt-devel | 4.18.0-477.15.1.rt7.278.el8_8 | ALSA-2023:3819 |
| AlmaLinux:9 | kernel-rt-devel | 5.14.0-284.18.1.rt14.303.el9_2 | ALSA-2023:3708 |
| AlmaLinux:8 | kernel-rt-kvm | 4.18.0-477.15.1.rt7.278.el8_8 | ALSA-2023:3819 |
| AlmaLinux:9 | kernel-rt-kvm | 5.14.0-284.18.1.rt14.303.el9_2 | ALSA-2023:3708 |
| AlmaLinux:8 | kernel-rt-modules | 4.18.0-477.15.1.rt7.278.el8_8 | ALSA-2023:3819 |
| AlmaLinux:9 | kernel-rt-modules | 5.14.0-284.18.1.rt14.303.el9_2 | ALSA-2023:3708 |
| AlmaLinux:9 | kernel-rt-modules-core | 5.14.0-284.18.1.rt14.303.el9_2 | ALSA-2023:3708 |
| AlmaLinux:8 | kernel-rt-modules-extra | 4.18.0-477.15.1.rt7.278.el8_8 | ALSA-2023:3819 |
| AlmaLinux:9 | kernel-rt-modules-extra | 5.14.0-284.18.1.rt14.303.el9_2 | ALSA-2023:3708 |
| AlmaLinux:8 | kernel-tools | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:9 | kernel-tools | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:8 | kernel-tools-libs | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:9 | kernel-tools-libs | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:9 | kernel-tools-libs-devel | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:9 | kernel-uki-virt | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:8 | kernel-zfcpdump | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:9 | kernel-zfcpdump | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:8 | kernel-zfcpdump-core | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:9 | kernel-zfcpdump-core | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:8 | kernel-zfcpdump-devel | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:9 | kernel-zfcpdump-devel | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:9 | kernel-zfcpdump-devel-matched | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:8 | kernel-zfcpdump-modules | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:9 | kernel-zfcpdump-modules | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:9 | kernel-zfcpdump-modules-core | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:8 | kernel-zfcpdump-modules-extra | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:9 | kernel-zfcpdump-modules-extra | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:8 | perf | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:9 | perf | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:8 | python3-perf | 4.18.0-477.15.1.el8_8 | ALSA-2023:3847 |
| AlmaLinux:9 | python3-perf | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| AlmaLinux:9 | rtla | 5.14.0-284.18.1.el9_2 | ALSA-2023:3723 |
| Debian:12 | linux | 6.1.20-1 | DEBIAN-CVE-2023-28466 |
| Debian:13 | linux | 6.1.20-1 | DEBIAN-CVE-2023-28466 |
| Debian:14 | linux | 6.1.20-1 | DEBIAN-CVE-2023-28466 |
| Rocky Linux:8 | kernel | 0:4.18.0-477.15.1.el8_8 | RLSA-2023:3847 |
| Rocky Linux:8 | kernel-rt | 0:4.18.0-477.15.1.rt7.278.el8_8 | RLSA-2023:3819 |
| Ubuntu:22.04:LTS | linux | 5.15.0-79.86 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux | 5.15.0-79.86 | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1042.47 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1042.47 | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1045.52 | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1045.52 | USN-6332-1 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1045.52.1 | USN-6332-1 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1044.51.1 | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1039.47 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1039.47 | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1039.44 | USN-6311-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1039.44 | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1025.30 | USN-6311-1 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1025.30 | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1035.38 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1035.38 | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1037.42 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1037.42 | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1039.44 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1039.44 | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-79.88 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-79.88 | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1030.30 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1030.30 | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1016.16 | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1002.2 | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2023-28466 |
| 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-2023-28466 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | 6.1.0-1009.9 | USN-6033-1 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | 6.1.0-1009.9 | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1040.46 | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1040.46 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1035.38 | USN-6300-1 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1035.38 | UBUNTU-CVE-2023-28466 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2023-28466 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1025.29 | UBUNTU-CVE-2023-28466 |
Affected products (as reported)
Weakness: CWE-476 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H