CVE-2024-26664 hwmon: (coretemp) Fix out-of-bounds memory access
An out-of-bounds memory access in the Linux kernel coretemp driver can cause crashes or potential code execution on systems with over 128 cores.
- 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-2024-26664?
CVE-2024-26664 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 2 Apr 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
hwmon: (coretemp) Fix out-of-bounds memory access
Fix a bug that pdata->cpu_map[] is set before out-of-bounds check. The problem might be triggered on systems with more than 128 cores per package.
Weakness: CWE-787
Which versions are affected by CVE-2024-26664?
It affects 2 products.
Linux distribution packages (40)
bpftool-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:7.3.0-427.22.1.el9_4 |
kernel-64k-debug-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-64k-debug-devel Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-64k-debug-devel-matched Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-64k-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-64k-devel Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-64k-devel-matched Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-debug-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-debug-devel Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-debug-devel-matched Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-debuginfo-common-aarch64 Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-debuginfo-common-ppc64le Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-debuginfo-common-s390x Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-debuginfo-common-x86_64 Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-devel Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-devel-matched Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-doc Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-headers Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-rt-debug-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-rt-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-tools-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-zfcpdump-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-zfcpdump-devel Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-zfcpdump-devel-matched Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
libperf-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
perf Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
perf-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
python3-perf-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
rtla Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
rv Red Hat:enterprise_linux:9::appstream | All versions | 0:5.14.0-427.22.1.el9_4 |
bpftool Red Hat:enterprise_linux:9::baseos | All versions | 0:7.3.0-427.22.1.el9_4 |
bpftool-debuginfo Red Hat:enterprise_linux:9::baseos | All versions | 0:7.3.0-427.22.1.el9_4 |
kernel Red Hat:enterprise_linux:9::baseos | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-64k Red Hat:enterprise_linux:9::baseos | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-64k-core Red Hat:enterprise_linux:9::baseos | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-64k-debug Red Hat:enterprise_linux:9::baseos | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-64k-debug-core Red Hat:enterprise_linux:9::baseos | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-64k-debug-debuginfo Red Hat:enterprise_linux:9::baseos | All versions | 0:5.14.0-427.22.1.el9_4 |
kernel-64k-debug-modules Red Hat:enterprise_linux:9::baseos | All versions | 0:5.14.0-427.22.1.el9_4 |
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2024-26664?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2024-26664 being exploited?
There is no known exploitation of CVE-2024-26664 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as BELL-CVE-2024-26664, DEBIAN-CVE-2024-26664, GHSA-g65w-rrjg-vx49, RHBA-2024:3983, UBUNTU-CVE-2024-26664.