CVE-2024-27401

HIGH
Published May 14, 2024 Modified Jan 22, 2026

Description

In the Linux kernel, the following vulnerability has been resolved: firewire: nosy: ensure user_length is taken into account when fetching packet contents Ensure that packet_buffer_get respects the user_length provided. If the length of the head packet exceeds the user_length, packet_buffer_get will now return 0 to signify to the user that no data were read and a larger buffer size is required. Helps prevent user space overflows.

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CVSS v3.1 Score

7.1
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
debian debian_linux
fedoraproject fedora
fedoraproject fedora

References

Advisories & Patches

https://git.kernel.org/stable/c/1fe60ee709436550f8cfbab01295936b868d5baa https://git.kernel.org/stable/c/38762a0763c10c24a4915feee722d7aa6e73eb98 https://git.kernel.org/stable/c/4ee0941da10e8fdcdb34756b877efd3282594c1f https://git.kernel.org/stable/c/539d51ac48bcfcfa1b3d4a85f8df92fa22c1d41c https://git.kernel.org/stable/c/67f34f093c0f7bf33f5b4ae64d3d695a3b978285 https://git.kernel.org/stable/c/79f988d3ffc1aa778fc5181bdfab312e57956c6b https://git.kernel.org/stable/c/7b8c7bd2296e95b38a6ff346242356a2e7190239 https://git.kernel.org/stable/c/cca330c59c54207567a648357835f59df9a286bb https://git.kernel.org/stable/c/1fe60ee709436550f8cfbab01295936b868d5baa https://git.kernel.org/stable/c/38762a0763c10c24a4915feee722d7aa6e73eb98 https://git.kernel.org/stable/c/4ee0941da10e8fdcdb34756b877efd3282594c1f https://git.kernel.org/stable/c/539d51ac48bcfcfa1b3d4a85f8df92fa22c1d41c https://git.kernel.org/stable/c/67f34f093c0f7bf33f5b4ae64d3d695a3b978285 https://git.kernel.org/stable/c/79f988d3ffc1aa778fc5181bdfab312e57956c6b https://git.kernel.org/stable/c/7b8c7bd2296e95b38a6ff346242356a2e7190239 https://git.kernel.org/stable/c/cca330c59c54207567a648357835f59df9a286bb

Frequently Asked Questions

What is CVE-2024-27401? +
In the Linux kernel, the following vulnerability has been resolved: firewire: nosy: ensure user_length is taken into account when fetching packet contents Ensure that packet_buffer_get respects the user_length provided. If the length of the head packet exceeds the user_length, packet_buffer_get will now return 0 to signify to the user that no data were read and a larger buffer size is required. Helps prevent user space overflows. It has a CVSS v3.1 base score of 7.1 (HIGH).
How severe is CVE-2024-27401? +
CVE-2024-27401 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2024-27401? +
CVE-2024-27401 affects products from debian, fedoraproject, linux, specifically: debian_linux, fedora, linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-27401? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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