CVE-2024-40997: cpufreq: amd-pstate: fix memory leak on CPU EPP exit
First published: Fri Jul 12 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: cpufreq: amd-pstate: fix memory leak on CPU EPP exit The cpudata memory from kzalloc() in amd_pstate_epp_cpu_init() is not freed in the analogous exit function, so fix that. [ rjw: Subject and changelog edits ]
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <6.6.36 | 6.6.36 |
| redhat/kernel | <6.9.7 | 6.9.7 |
| redhat/kernel | <6.10 | 6.10 |
| Linux Kernel | <6.6.36 | |
| Linux Kernel | >=6.7<6.9.7 | |
| 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 6.1.128-1 6.12.21-1 6.12.22-1 |
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Reference Links
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-40997
- https://nvd.nist.gov/vuln/detail/CVE-2024-40997
- https://launchpad.net/bugs/cve/CVE-2024-40997
- https://security-tracker.debian.org/tracker/CVE-2024-40997
- https://ubuntu.com/security/CVE-2024-40997
- https://access.redhat.com/errata/RHSA-2024:7001
- https://access.redhat.com/errata/RHSA-2024:7000
- https://access.redhat.com/errata/RHSA-2024:9315
- https://access.redhat.com/errata/RHSA-2024:10771
- https://bugzilla.redhat.com/show_bug.cgi?id=2297581
- https://git.kernel.org/stable/c/448efb7ea0bfa2c4e27c5a2eb5684fd225cd12cd
- https://git.kernel.org/stable/c/8015c17fe11a8608cc3eb83d0ab831e1845a9582
- https://git.kernel.org/stable/c/cea04f3d9aeebda9d9c063c0dfa71e739c322c81
- https://git.kernel.org/linus/cea04f3d9aeebda9d9c063c0dfa71e739c322c81
- https://www.ibm.com/support/pages/node/7230443 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2024-40997?
CVE-2024-40997 is classified as a medium severity vulnerability in the Linux kernel.
How do I fix CVE-2024-40997?
To fix CVE-2024-40997, update the kernel to versions 6.6.36, 6.9.7, or 6.10 for Red Hat systems, or apply the appropriate patch for Debian systems.
What is the impact of CVE-2024-40997?
The impact of CVE-2024-40997 includes a potential memory leak during CPU EPP exit in the Linux kernel which may lead to resource depletion.
Which versions of the Linux kernel are affected by CVE-2024-40997?
CVE-2024-40997 affects Linux kernel versions prior to 6.6.36, between 6.7 and 6.9.7, and versions prior to 6.10.
Is there a public reference for CVE-2024-40997?
Yes, details about CVE-2024-40997 can be found in the Linux kernel's changelog and related commits.
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