What’s Vulnerable › Vulnerabilities

CVE-2010-3849

• Severity: medium (CVSS 4.7 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2010-12-30 · updated 2026-06-16
• Weakness: CWE-476

Description

The econet_sendmsg function in net/econet/af_econet.c in the Linux kernel before 2.6.36.2, when an econet address is configured, allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a sendmsg call that specifies a NULL value for the remote address field.

Affected products

• Canonical Ubuntu Linux: 6.06, 8.04, 9.10, 10.04, 10.10
• Debian Linux: 5.0
• Linux kernel: before 2.6.36.2 — fixed in 2.6.36.2
• SUSE Linux Enterprise Server 15 SP1: 10-sp3
• SUSE Linux Enterprise Real Time Extension: 11-sp1
• SUSE Linux Enterprise Server: 9, 10-sp3
• SUSE Linux Enterprise Software Development Kit: 10-sp3

How to fix

Upgrade to a fixed version: Linux kernel 2.6.36.2. Check the vendor advisory for mitigations.

References

• http://archives.neohapsis.com/archives/fulldisclosure/2010-12/0086.html
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fa0e846494792e722d817b9d3d625a4ef4896c96
• http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00007.html
• http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
• http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html
• http://openwall.com/lists/oss-security/2010/11/30/1
• http://secunia.com/advisories/43056
• http://secunia.com/advisories/43291
• http://www.debian.org/security/2010/dsa-2126
• http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2
• http://www.mandriva.com/security/advisories?name=MDVSA-2010:257
• http://www.ubuntu.com/usn/USN-1023-1

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