CVE-2024-26664: hwmon: (coretemp) Fix out-of-bounds memory access
First published: Tue Apr 02 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <4.19.307 | 4.19.307 |
| redhat/kernel | <5.4.269 | 5.4.269 |
| redhat/kernel | <5.10.210 | 5.10.210 |
| redhat/kernel | <5.15.149 | 5.15.149 |
| redhat/kernel | <6.1.78 | 6.1.78 |
| redhat/kernel | <6.6.17 | 6.6.17 |
| redhat/kernel | <6.7.5 | 6.7.5 |
| redhat/kernel | <6.8 | 6.8 |
| Linux Kernel | >=4.19.264<4.19.307 | |
| Linux Kernel | >=5.4.221<5.4.269 | |
| Linux Kernel | >=5.10.152<5.10.210 | |
| Linux Kernel | >=6.1<6.1.78 | |
| Linux Kernel | >=6.2<6.6.17 | |
| Linux Kernel | >=6.7<6.7.5 | |
| Linux Kernel | =6.8-rc1 | |
| Linux Kernel | =6.8-rc2 | |
| Linux Kernel | =6.8-rc3 | |
| Debian Linux | =10.0 | |
| IBM Security Verify Governance - Identity Manager | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Software Stack | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Virtual Appliance | <=ISVG 10.0.2 | |
| IBM Security Verify Governance Identity Manager Container | <=ISVG 10.0.2 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.133-1 6.12.21-1 6.12.22-1 |
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Reference Links
- https://git.kernel.org/stable/c/1eb74c00c9c3b13cb65e508c5d5a2f11afb96b8b
- https://git.kernel.org/stable/c/3a7753bda55985dc26fae17795cb10d825453ad1
- https://git.kernel.org/stable/c/4e440abc894585a34c2904a32cd54af1742311b3
- https://git.kernel.org/stable/c/853a6503c586a71abf27e60a7f8c4fb28092976d
- https://git.kernel.org/stable/c/93f0f4e846fcb682c3ec436e3b2e30e5a3a8ee6a
- https://git.kernel.org/stable/c/9bce69419271eb8b2b3ab467387cb59c99d80deb
- https://git.kernel.org/stable/c/a16afec8e83c56b14a4a73d2e3fb8eec3a8a057e
- https://git.kernel.org/stable/c/f0da068c75c20ffc5ba28243ff577531dc2af1fd
- https://launchpad.net/bugs/cve/CVE-2024-26664
- https://access.redhat.com/security/cve/CVE-2024-26664
- https://lore.kernel.org/linux-cve-announce/2024040223-CVE-2024-26664-03db@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2272792
- https://access.redhat.com/errata/RHSA-2024:3618
- https://access.redhat.com/errata/RHSA-2024:3627
- https://access.redhat.com/errata/RHSA-2024:9315
- https://bugzilla.redhat.com/show_bug.cgi?id=2272791
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26664
- https://nvd.nist.gov/vuln/detail/CVE-2024-26664
- https://security-tracker.debian.org/tracker/CVE-2024-26664
- https://ubuntu.com/security/CVE-2024-26664
- https://git.kernel.org/linus/4e440abc894585a34c2904a32cd54af1742311b3
- https://www.ibm.com/support/pages/node/7230443 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2024-26664?
CVE-2024-26664 is classified as a medium severity vulnerability due to potential out-of-bounds memory access in the Linux kernel.
How do I fix CVE-2024-26664?
To fix CVE-2024-26664, update your Linux kernel to versions 4.19.307, 5.4.269, 5.10.210, 5.15.149, 6.1.78, 6.6.17, 6.7.5, or 6.8, or the appropriate versions from Debian.
What versions are affected by CVE-2024-26664?
CVE-2024-26664 affects Linux kernel versions prior to 4.19.307, 5.4.269, 5.10.210, 5.15.149, 6.1.78, 6.6.17, 6.7.5, and 6.8.
What causes CVE-2024-26664?
CVE-2024-26664 is caused by a bug in the hwmon subsystem that allows out-of-bounds memory access when the cpu_map[] array is improperly checked.
Who is impacted by CVE-2024-26664?
Users of the Linux kernel, particularly those with systems that have more than 128 cores per package, are impacted by CVE-2024-26664.
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