CVE-2009-3621
MEDIUM severity · CVSS 5.5 · Uncontrolled resource consumption
5.5CVSS MEDIUM
Summary
net/unix/af_unix.c in the Linux kernel 2.6.31.4 and earlier allows local users to cause a denial of service (system hang) by creating an abstract-namespace AF_UNIX listening socket, performing a shutdown operation on this socket, and then performing a series of connect operations to this socket.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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/davem/net-2.6.git%3Ba=commit%3Bh=77238f2b942b38ab4e7f3aced44084493e4a8675
- http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.htmlAdvisory
- http://lists.vmware.com/pipermail/security-announce/2010/000082.htmlAdvisory
- http://lkml.org/lkml/2009/10/19/50Advisory