CVE-2026-98597
net: usb: sr9700: include receive overhead in the length check
Description
In the Linux kernel, the following vulnerability has been resolved: net: usb: sr9700: include receive overhead in the length check The receive fixup subtracts the Ethernet CRC from the reported packet length, but compares that payload length against the whole remaining receive buffer. The following copy starts after the three-byte header, and the cursor advance consumes both that header and the four-byte CRC. Require the payload to fit after SR_RX_OVERHEAD before copying it or advancing to the next packet. The loop already ensures that the remaining buffer is larger than the overhead, so the subtraction is safe. The issue was found by our static-analysis tool.
INFO
Published Date :
Oct. 18, 2026, 4:17 p.m.
Last Modified :
Oct. 18, 2026, 4:17 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
- Update the Linux kernel to include the fix.
- Ensure SR_RX_OVERHEAD is considered in length checks.
- Validate received packet lengths against buffer size.
- Apply static analysis findings to prevent similar issues.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-98597.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-98597 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-98597
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-98597 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-98597 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Oct. 18, 2026
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: net: usb: sr9700: include receive overhead in the length check The receive fixup subtracts the Ethernet CRC from the reported packet length, but compares that payload length against the whole remaining receive buffer. The following copy starts after the three-byte header, and the cursor advance consumes both that header and the four-byte CRC. Require the payload to fit after SR_RX_OVERHEAD before copying it or advancing to the next packet. The loop already ensures that the remaining buffer is larger than the overhead, so the subtraction is safe. The issue was found by our static-analysis tool. Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/98xxx/CVE-2026-98597.json">CVE-2026-98597</a> Added Reference https://git.kernel.org/stable/c/05b442709bd5256c6c0e11fe56b9a0cb2455c245 Added Reference https://git.kernel.org/stable/c/6ab6c9d120b30c94579192ef83a581a3dda6d79c Added Reference https://git.kernel.org/stable/c/8488779d9bddbdb33588c9fc2c0657a3da773f61 Added Reference https://git.kernel.org/stable/c/92d88c88390fc62444c00a1a22078f838e03891f Added Reference https://git.kernel.org/stable/c/9b59b00890c5dea355b4cc8795ab8eeafc044e48 Added Reference https://git.kernel.org/stable/c/baf07d5153d3af8f98e65e2d3566bc0d50c4e3ac Added Reference https://git.kernel.org/stable/c/c06bde80ae7a7b595732f7cabcb92cf08db9d56a Added Reference https://git.kernel.org/stable/c/e1f5b74edccf4c9b671b6bce4435a98746fe5167