CVE-2010-4165
MEDIUM severity · CVSS 4.9 · CWE-369
4.9CVSS MEDIUM
Summary
The do_tcp_setsockopt function in net/ipv4/tcp.c in the Linux kernel before 2.6.37-rc2 does not properly restrict TCP_MAXSEG (aka MSS) values, which allows local users to cause a denial of service (OOPS) via a setsockopt call that specifies a small value, leading to a divide-by-zero error or incorrect use of a signed integer.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)1%
AV:L/AC:L/Au:N/C:N/I:N/A:C
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7a1abd08d52fdeddb3e9a5a33f2f15cc6a5674d2
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.htmlAdvisory
- http://secunia.com/advisories/42778Advisory
- http://secunia.com/advisories/42801Advisory
- http://secunia.com/advisories/42932Advisory