CVE-2025-68217
In the Linux kernel, the following vulnerability has been resolved: Input: pegasus-notetaker - fix potential out-of-bounds access In the pegasus_notetaker driver, the pegasus_probe() function allocates the URB transfer buffer using the wMaxPacketSize value from the endpoint descriptor. An attacker can use a malicious USB descriptor to force the allocation of a very small buffer. Subsequently, if the device sends an interrupt packet with a specific pattern (e.g., where the first byte is 0x80 or 0x42), the pegasus_parse_packet() function parses the packet without checking the allocated buffer size. This leads to an out-of-bounds memory access.
Affected versions
Linux kernel versions
4.8
and later are affected. Fixed in
5.4.302,
5.10.247,
5.15.197,
6.1.159,
6.6.118,
6.12.60,
6.17.10,
6.18
and their respective stable series.
References
The following references provide additional information about CVE-2025-68217 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/015b719962696b793997e8deefac019f816aca77
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PatchKernel patch commithttps://git.kernel.org/stable/c/084264e10e2ae8938a54355123ad977eb9df56d6
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PatchKernel patch commithttps://git.kernel.org/stable/c/36bc92b838ff72f62f2c17751a9013b29ead2513
Frequently asked questions
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What is CVE-2025-68217?
CVE-2025-68217 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.8 onward and has been patched in 5.4.302, 5.10.247, 5.15.197 and others. CVE-2025-68217 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2025-68217?
Yes — CVE-2025-68217 has been patched. Fixed versions include 5.4.302, 5.10.247, 5.15.197 and others. If you are running Linux kernel 4.8 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2025-68217 actively exploited?
No — CVE-2025-68217 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.