CVE-2024-49862: powercap: intel_rapl: Fix off by one in get_rpi()
First published: Mon Oct 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: powercap: intel_rapl: Fix off by one in get_rpi() The rp->priv->rpi array is either rpi_msr or rpi_tpmi which have NR_RAPL_PRIMITIVES number of elements. Thus the > needs to be >= to prevent an off by one access.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=6.5<6.6.54 | |
| Linux Kernel | >=6.7<6.10.13 | |
| Linux Kernel | >=6.11<6.11.2 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.15-1 |
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Reference Links
- https://git.kernel.org/stable/c/288cbc505e2046638c615c36357cb78bc9fee1e0
- https://git.kernel.org/stable/c/851e7f7f14a15f4e47b7d0f70d5c4a2b95b824d6
- https://git.kernel.org/stable/c/6a34f3b0d7f11fb6ed72da315fd2360abd9c0737
- https://git.kernel.org/stable/c/95f6580352a7225e619551febb83595bcb77ab17
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-49862
- https://nvd.nist.gov/vuln/detail/CVE-2024-49862
- https://launchpad.net/bugs/cve/CVE-2024-49862
- https://security-tracker.debian.org/tracker/CVE-2024-49862
- https://ubuntu.com/security/CVE-2024-49862
- https://git.kernel.org/linus/95f6580352a7225e619551febb83595bcb77ab17
Frequently Asked Questions
What is the severity of CVE-2024-49862?
CVE-2024-49862 is classified as a vulnerability in the Linux kernel that involves an off-by-one error in the powercap subsystem.
How do I fix CVE-2024-49862?
To fix CVE-2024-49862, you should upgrade to a patched version of the Linux kernel that addresses this vulnerability.
What versions of the Linux kernel are affected by CVE-2024-49862?
CVE-2024-49862 affects several versions of the Linux kernel, including those between 6.5 and 6.6.54, 6.7 and 6.10.13, as well as 6.11 and 6.11.2.
Is CVE-2024-49862 exploitable?
There is a potential for exploitation in CVE-2024-49862 due to the improper array index access, which could lead to unexpected behavior.
When was CVE-2024-49862 resolved?
CVE-2024-49862 was resolved through updates in the Linux kernel addressing the identified off-by-one error.
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