CVE-2023-28466 Race condition in n/a
A race condition in the Linux kernel TLS module can lead to use-after-free or null pointer dereference, potentially causing denial of service or code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-28466?
CVE-2023-28466 is a high-severity vulnerability in Debian Debian Linux, published on 15 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.
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).
Weakness: CWE-476
Which versions are affected by CVE-2023-28466?
It affects 7 products.
Linux distribution packages (40)
bpftool AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
kernel AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
kernel-abi-stablelists AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
kernel-core AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
kernel-cross-headers AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
kernel-debug AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
kernel-debug-core AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
kernel-debug-devel AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
kernel-debug-modules AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
kernel-debug-modules-extra AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
kernel-devel AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
kernel-doc AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
kernel-modules AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
kernel-modules-extra AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
kernel-rt AlmaLinux:8 | All versions | 4.18.0-477.15.1.rt7.278.el8_8 |
kernel-rt-core AlmaLinux:8 | All versions | 4.18.0-477.15.1.rt7.278.el8_8 |
kernel-rt-debug AlmaLinux:8 | All versions | 4.18.0-477.15.1.rt7.278.el8_8 |
kernel-rt-debug-core AlmaLinux:8 | All versions | 4.18.0-477.15.1.rt7.278.el8_8 |
kernel-rt-debug-devel AlmaLinux:8 | All versions | 4.18.0-477.15.1.rt7.278.el8_8 |
kernel-rt-debug-kvm AlmaLinux:8 | All versions | 4.18.0-477.15.1.rt7.278.el8_8 |
kernel-rt-debug-modules AlmaLinux:8 | All versions | 4.18.0-477.15.1.rt7.278.el8_8 |
kernel-rt-debug-modules-extra AlmaLinux:8 | All versions | 4.18.0-477.15.1.rt7.278.el8_8 |
kernel-rt-devel AlmaLinux:8 | All versions | 4.18.0-477.15.1.rt7.278.el8_8 |
kernel-rt-kvm AlmaLinux:8 | All versions | 4.18.0-477.15.1.rt7.278.el8_8 |
kernel-rt-modules AlmaLinux:8 | All versions | 4.18.0-477.15.1.rt7.278.el8_8 |
kernel-rt-modules-extra AlmaLinux:8 | All versions | 4.18.0-477.15.1.rt7.278.el8_8 |
kernel-tools AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
kernel-tools-libs AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
kernel-tools-libs-devel AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
kernel-zfcpdump AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
kernel-zfcpdump-core AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
kernel-zfcpdump-devel AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
kernel-zfcpdump-modules AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
kernel-zfcpdump-modules-extra AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
perf AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
python3-perf AlmaLinux:8 | All versions | 4.18.0-477.15.1.el8_8 |
bpftool Red Hat:enterprise_linux:8::baseos | All versions | 0:4.18.0-477.15.1.el8_8 |
bpftool-debuginfo Red Hat:enterprise_linux:8::baseos | All versions | 0:4.18.0-477.15.1.el8_8 |
kernel Red Hat:enterprise_linux:8::baseos | All versions | 0:4.18.0-477.15.1.el8_8 |
kernel-abi-stablelists Red Hat:enterprise_linux:8::baseos | All versions | 0:4.18.0-477.15.1.el8_8 |
Products include Debian Debian Linux, Linux kernel, Netapp H300s, Netapp H410c, Netapp H410s, Netapp H500s and 1 more.
How do I fix CVE-2023-28466?
Apply the vendor's patch.
Is CVE-2023-28466 being exploited?
There is no known exploitation of CVE-2023-28466 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as ALSA-2023:3819, ALSA-2023:3847, AZL-25661, DEBIAN-CVE-2023-28466, GHSA-wp8x-2wq9-8f64, RHSA-2023:3819 and 4 more.