CVE-2023-28466 Race condition in n/a

High 7.0 Published Updated

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:8All versions4.18.0-477.15.1.el8_8
kernel AlmaLinux:8All versions4.18.0-477.15.1.el8_8
kernel-abi-stablelists AlmaLinux:8All versions4.18.0-477.15.1.el8_8
kernel-core AlmaLinux:8All versions4.18.0-477.15.1.el8_8
kernel-cross-headers AlmaLinux:8All versions4.18.0-477.15.1.el8_8
kernel-debug AlmaLinux:8All versions4.18.0-477.15.1.el8_8
kernel-debug-core AlmaLinux:8All versions4.18.0-477.15.1.el8_8
kernel-debug-devel AlmaLinux:8All versions4.18.0-477.15.1.el8_8
kernel-debug-modules AlmaLinux:8All versions4.18.0-477.15.1.el8_8
kernel-debug-modules-extra AlmaLinux:8All versions4.18.0-477.15.1.el8_8
kernel-devel AlmaLinux:8All versions4.18.0-477.15.1.el8_8
kernel-doc AlmaLinux:8All versions4.18.0-477.15.1.el8_8
kernel-modules AlmaLinux:8All versions4.18.0-477.15.1.el8_8
kernel-modules-extra AlmaLinux:8All versions4.18.0-477.15.1.el8_8
kernel-rt AlmaLinux:8All versions4.18.0-477.15.1.rt7.278.el8_8
kernel-rt-core AlmaLinux:8All versions4.18.0-477.15.1.rt7.278.el8_8
kernel-rt-debug AlmaLinux:8All versions4.18.0-477.15.1.rt7.278.el8_8
kernel-rt-debug-core AlmaLinux:8All versions4.18.0-477.15.1.rt7.278.el8_8
kernel-rt-debug-devel AlmaLinux:8All versions4.18.0-477.15.1.rt7.278.el8_8
kernel-rt-debug-kvm AlmaLinux:8All versions4.18.0-477.15.1.rt7.278.el8_8
kernel-rt-debug-modules AlmaLinux:8All versions4.18.0-477.15.1.rt7.278.el8_8
kernel-rt-debug-modules-extra AlmaLinux:8All versions4.18.0-477.15.1.rt7.278.el8_8
kernel-rt-devel AlmaLinux:8All versions4.18.0-477.15.1.rt7.278.el8_8
kernel-rt-kvm AlmaLinux:8All versions4.18.0-477.15.1.rt7.278.el8_8
kernel-rt-modules AlmaLinux:8All versions4.18.0-477.15.1.rt7.278.el8_8
kernel-rt-modules-extra AlmaLinux:8All versions4.18.0-477.15.1.rt7.278.el8_8
kernel-tools AlmaLinux:8All versions4.18.0-477.15.1.el8_8
kernel-tools-libs AlmaLinux:8All versions4.18.0-477.15.1.el8_8
kernel-tools-libs-devel AlmaLinux:8All versions4.18.0-477.15.1.el8_8
kernel-zfcpdump AlmaLinux:8All versions4.18.0-477.15.1.el8_8
kernel-zfcpdump-core AlmaLinux:8All versions4.18.0-477.15.1.el8_8
kernel-zfcpdump-devel AlmaLinux:8All versions4.18.0-477.15.1.el8_8
kernel-zfcpdump-modules AlmaLinux:8All versions4.18.0-477.15.1.el8_8
kernel-zfcpdump-modules-extra AlmaLinux:8All versions4.18.0-477.15.1.el8_8
perf AlmaLinux:8All versions4.18.0-477.15.1.el8_8
python3-perf AlmaLinux:8All versions4.18.0-477.15.1.el8_8
bpftool Red Hat:enterprise_linux:8::baseosAll versions0:4.18.0-477.15.1.el8_8
bpftool-debuginfo Red Hat:enterprise_linux:8::baseosAll versions0:4.18.0-477.15.1.el8_8
kernel Red Hat:enterprise_linux:8::baseosAll versions0:4.18.0-477.15.1.el8_8
kernel-abi-stablelists Red Hat:enterprise_linux:8::baseosAll versions0:4.18.0-477.15.1.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.

All Debian Debian Linux vulnerabilities

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.

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