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Fencer Vulns
high 7.8

CVE-2024-26664 json

hwmon: (coretemp) Fix out-of-bounds memory access

published 2024-04-02 2 y ago modified 2026-08-05 3 mo ago also EUVD-2024-23926

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 16%
public exploits
0
none known

Summary

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.

Patch / fix

  • Linux Linux 4.19.307, 5.4.269, 5.10.210, 5.15.149, 6.1, 6.1.78, 6.6.17, 6.7.5, 6.8
  • linux Debian 12 6.1.82-1
  • linux Debian 14, Debian 13 6.7.7-1

debian advisories DEBIAN-CVE-2024-26664

  • linux Ubuntu 20.04 LTS 5.4.0-181.201
  • linux Ubuntu 22.04 LTS 5.15.0-106.116
  • linux-aws Ubuntu 20.04 LTS 5.4.0-1124.134
  • linux-aws Ubuntu 22.04 LTS 5.15.0-1061.67
  • linux-gcp Ubuntu 20.04 LTS 5.4.0-1128.137
  • linux-gcp Ubuntu 22.04 LTS 5.15.0-1059.67
  • linux-gke Ubuntu 22.04 LTS 5.15.0-1058.63
  • linux-ibm Ubuntu 20.04 LTS 5.4.0-1071.76

ubuntu advisories UBUNTU-CVE-2024-26664

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel RHEL 9 5.14.0-427.22.1.el9_4
  • rv RHEL 9 5.14.0-427.22.1.el9_4
  • perf RHEL 9 5.14.0-427.22.1.el9_4
  • rtla RHEL 9 5.14.0-427.22.1.el9_4
  • bpftool RHEL 9 7.3.0-427.22.1.el9_4
  • libperf RHEL 9 5.14.0-427.22.1.el9_4
  • kernel-rt RHEL 9 5.14.0-427.22.1.el9_4
  • kernel-64k RHEL 9 5.14.0-427.22.1.el9_4

red hat advisories RHBA-2024:3983RHSA-2024:9315RHSA-2024:3627RHSA-2024:3618

  • kernel-azure SLE Module for Public Cloud 15 SP5, openSUSE Leap 15.5 5.14.21-150500.33.48.1
  • kernel-syms-azure SLE Module for Public Cloud 15 SP5, openSUSE Leap 15.5 5.14.21-150500.33.48.1
  • kernel-source-azure SLE Module for Public Cloud 15 SP5, openSUSE Leap 15.5 5.14.21-150500.33.48.1
  • dtb-aarch64 openSUSE Leap 15.5 5.14.21-150500.55.59.1
  • kernel-64kb SLE Module for Basesystem 15 SP5, openSUSE Leap 15.5 5.14.21-150500.55.59.1
  • kernel-syms SLE Module for Development Tools 15 SP5, openSUSE Leap 15.5 5.14.21-150500.55.59.1
  • kernel-obs-qa openSUSE Leap 15.5 5.14.21-150500.55.59.1
  • kernel-source SLE Module for Development Tools 15 SP5, SLE Module for Basesystem 15 SP5, openSUSE Leap 15.5 5.14.21-150500.55.59.1

suse advisories SUSE-SU-2024:1490-1SUSE-SU-2024:1480-1SUSE-SU-2024:1466-1

  • kernel AlmaLinux 8 4.18.0-553.5.1.el8_10
  • perf AlmaLinux 8 4.18.0-553.5.1.el8_10
  • bpftool AlmaLinux 8 4.18.0-553.5.1.el8_10
  • kernel-core AlmaLinux 8 4.18.0-553.5.1.el8_10
  • kernel-tools AlmaLinux 8 4.18.0-553.5.1.el8_10
  • python3-perf AlmaLinux 8 4.18.0-553.5.1.el8_10
  • kernel-modules AlmaLinux 8 4.18.0-553.5.1.el8_10
  • kernel-zfcpdump AlmaLinux 8 4.18.0-553.5.1.el8_10

almalinux advisories ALSA-2024:3618ALSA-2024:3627

  • kernel-rt Rocky Linux 8 4.18.0-553.5.1.rt7.346.el8_10
  • kernel Rocky Linux 8 4.18.0-553.5.1.el8_10

rocky linux advisories RLSA-2024:3627RLSA-2024:3618

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-26664 updated cvss 6.0

kernel: hwmon: (coretemp) Fix out-of-bounds memory access

  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more
    affected: no fix planned “Out of support scope”
  • Red Hat CodeReady Linux Builder (v. 9) libperf 5.14.0-503.11.1.el9_5, kernel-debuginfo-common-s390x 5.14.0-503.11.1.el9_5, kernel-debuginfo-common-x86_64 5.14.0-503.11.1.el9_5, kernel-debuginfo-common-aarch64 5.14.0-503.11.1.el9_5, kernel-debuginfo-common-ppc64le 5.14.0-503.11.1.el9_5
    fixed: vendor fix RHSA-2024:9315
  • Red Hat Enterprise Linux AppStream (v. 9) rv 5.14.0-427.22.1.el9_4, rv 5.14.0-503.11.1.el9_5, perf 5.14.0-427.22.1.el9_4, perf 5.14.0-503.11.1.el9_5, rtla 5.14.0-427.22.1.el9_4, rtla 5.14.0-503.11.1.el9_5, +18 more
    fixed: vendor fix RHBA-2024:3983
  • Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-553.5.1.el8_10, kernel 4.18.0-553.5.1.el8_10, bpftool 4.18.0-553.5.1.el8_10, kernel-core 4.18.0-553.5.1.el8_10, kernel-tools 4.18.0-553.5.1.el8_10, python3-perf 4.18.0-553.5.1.el8_10, +15 more
    fixed: vendor fix RHSA-2024:3618
  • Red Hat Enterprise Linux BaseOS (v. 9) bpftool 7.3.0-427.22.1.el9_4, bpftool 7.4.0-503.11.1.el9_5, kernel 5.14.0-427.22.1.el9_4, kernel 5.14.0-503.11.1.el9_5, kernel-64k 5.14.0-427.22.1.el9_4, kernel-64k 5.14.0-503.11.1.el9_5, +63 more
    fixed: vendor fix RHBA-2024:3983
  • Red Hat Enterprise Linux CRB (v. 8) kernel-debuginfo-common-x86_64 4.18.0-553.5.1.el8_10, kernel-debuginfo-common-aarch64 4.18.0-553.5.1.el8_10, kernel-debuginfo-common-ppc64le 4.18.0-553.5.1.el8_10
    fixed: vendor fix RHSA-2024:3618
  • Red Hat Enterprise Linux CRB (v. 9) libperf 5.14.0-427.22.1.el9_4, kernel-debuginfo-common-s390x 5.14.0-427.22.1.el9_4, kernel-debuginfo-common-x86_64 5.14.0-427.22.1.el9_4, kernel-debuginfo-common-aarch64 5.14.0-427.22.1.el9_4, kernel-debuginfo-common-ppc64le 5.14.0-427.22.1.el9_4
    fixed: vendor fix RHBA-2024:3983
  • Red Hat Enterprise Linux NFV (v. 8) kernel-rt 4.18.0-553.5.1.rt7.346.el8_10, kernel-rt-kvm 4.18.0-553.5.1.rt7.346.el8_10, kernel-rt-core 4.18.0-553.5.1.rt7.346.el8_10, kernel-rt-modules 4.18.0-553.5.1.rt7.346.el8_10, kernel-rt-debug-kvm 4.18.0-553.5.1.rt7.346.el8_10, kernel-rt-debug-core 4.18.0-553.5.1.rt7.346.el8_10, +4 more
    fixed: vendor fix RHSA-2024:3627
show 5 more
  • Red Hat Enterprise Linux NFV (v. 9) kernel-rt 5.14.0-427.22.1.el9_4, kernel-rt-kvm 5.14.0-427.22.1.el9_4, kernel-rt-core 5.14.0-427.22.1.el9_4, kernel-rt-modules 5.14.0-427.22.1.el9_4, kernel-rt-debug-kvm 5.14.0-427.22.1.el9_4, kernel-rt-debug-core 5.14.0-427.22.1.el9_4, +6 more
    fixed: vendor fix RHBA-2024:3983
  • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt 5.14.0-503.11.1.el9_5, kernel-rt-core 5.14.0-503.11.1.el9_5, kernel-rt-modules 5.14.0-503.11.1.el9_5, kernel-rt-debug-core 5.14.0-503.11.1.el9_5, kernel-rt-modules-core 5.14.0-503.11.1.el9_5, kernel-rt-debug-modules 5.14.0-503.11.1.el9_5, +4 more Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt 5.14.0-503.11.1.el9_5, kernel-rt-kvm 5.14.0-503.11.1.el9_5, kernel-rt-core 5.14.0-503.11.1.el9_5, kernel-rt-modules 5.14.0-503.11.1.el9_5, kernel-rt-debug-kvm 5.14.0-503.11.1.el9_5, kernel-rt-debug-core 5.14.0-503.11.1.el9_5, +6 more
    fixed: vendor fix RHSA-2024:9315
  • Red Hat Enterprise Linux RT (v. 8) kernel-rt 4.18.0-553.5.1.rt7.346.el8_10, kernel-rt-core 4.18.0-553.5.1.rt7.346.el8_10, kernel-rt-modules 4.18.0-553.5.1.rt7.346.el8_10, kernel-rt-debug-core 4.18.0-553.5.1.rt7.346.el8_10, kernel-rt-debug-modules 4.18.0-553.5.1.rt7.346.el8_10, kernel-rt-modules-extra 4.18.0-553.5.1.rt7.346.el8_10, +2 more
    fixed: vendor fix RHSA-2024:3627
  • Red Hat Enterprise Linux RT (v. 9) kernel-rt 5.14.0-427.22.1.el9_4, kernel-rt-core 5.14.0-427.22.1.el9_4, kernel-rt-modules 5.14.0-427.22.1.el9_4, kernel-rt-debug-core 5.14.0-427.22.1.el9_4, kernel-rt-modules-core 5.14.0-427.22.1.el9_4, kernel-rt-debug-modules 5.14.0-427.22.1.el9_4, +4 more
    fixed: vendor fix RHBA-2024:3983
  • Red Hat CodeReady Linux Builder (v. 9) kernel-cross-headers 5.14.0-503.11.1.el9_5 Red Hat Enterprise Linux AppStream (v. 9) kernel-headers 5.14.0-503.11.1.el9_5
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

cisa ICSA-25-226-15 updated

Siemens SINEC OS

  • Siemens RUGGEDCOM RST2428P (6GK6242-6PA00) Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family
    not affected

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Affected products

  • Linux Linux

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.