Medium severity · published Oct 22, 2009
CVE-2009-3621
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…
5.5
CVSS
1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
through 2.6.31.4 · source: NVD
ES
Esx · Vmware
4.0 · source: NVD
FE
Fedora · Fedoraproject
10 · source: NVD
OP
Opensuse · Opensuse
11.0; 11.2 · source: NVD
SL
Suse Linux Enterprise Desktop · Suse
10; 10 · source: NVD
SL
Suse Linux Enterprise Server · Suse
10; 10 · source: NVD
UL
Ubuntu Linux · Canonical
6.06; 8.04; 8.10; 9.04; 9.10 · source: NVD
VM
Vma · Vmware
4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2009-3621
CVE.org
https://www.cve.org/CVERecord?id=CVE-2009-3621
git.kernel.org
http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git%3Ba=commit%3Bh=77238f2b942b38ab4e7f3aced44084493e4a8675
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html
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