CVE-2010-3437

EXPLOITED

Linux kernel <2.6.36-rc6 - Info Disclosure/DoS

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2010-3437 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 1 public exploit from researchers including Jon Oberheide.

AI-analyzed exploit summary This exploit leverages a signed integer comparison flaw in the Linux Kernel's pktcdvd driver (CVE-2010-3437) to disclose arbitrary kernel memory by manipulating the PKT_CTRL_CMD_STATUS ioctl with a negative device index.

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.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Jon Oberheide · clocallinux
https://www.exploit-db.com/exploits/15150

This exploit leverages a signed integer comparison flaw in the Linux Kernel's pktcdvd driver (CVE-2010-3437) to disclose arbitrary kernel memory by manipulating the PKT_CTRL_CMD_STATUS ioctl with a negative device index.

Classification
Working Poc 100%
Attack Type
Info Leak
Complexity
Moderate
Reliability
Reliable
Target: Linux Kernel < 2.6.36-rc6
No auth needed
Prerequisites: Access to /dev/pktcdvd/control · 32-bit Linux system
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (24)

Core 24
Core References
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.html
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/42778
Third Party Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-1000-1
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/42801
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/43551
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.html
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=638085
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/42932
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
http://www.exploit-db.com/exploits/15150/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2010/09/28/2
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2011/0124
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00004.html
Third Party Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2010-0842.html
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2011/0298
Third Party Advisory vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2011:051
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2010/09/28/6
Exploit, Third Party Advisory x_refsource_misc
http://jon.oberheide.org/files/cve-2010-3437.c
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2011/0012
Third Party Advisory vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2011:029
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2010/dsa-2126

Scores

EPSS 0.0270
EPSS Percentile 86.3%

Details

VulnCheck KEV 2026-02-09
CWE
CWE-476
Status published
Products (18)
canonical/ubuntu_linux 6.06
canonical/ubuntu_linux 8.04
canonical/ubuntu_linux 9.04
canonical/ubuntu_linux 9.10
canonical/ubuntu_linux 10.04
canonical/ubuntu_linux 10.10
debian/debian_linux 5.0
linux/linux_kernel 2.6.36 (6 CPE variants)
linux/linux_kernel < 2.6.36
opensuse/opensuse 11.2
... and 8 more
Published Oct 04, 2010
Tracked Since Feb 18, 2026