SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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 socket, performing a shutdown operation on this socket, and then performing a…

MEDIUM 5.5EPSS 0.99%

Does this matter?

Lower severity and a low EPSS score (0.99%). Track it; it rarely justifies an emergency change on its own.

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 3.1
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
0.99% probability · 60th percentile
CISA KEV
Not listed
Weakness
CWE-400
Affected
linux/linux kernel · canonical/ubuntu linux · fedoraproject/fedora · opensuse/opensuse · suse/suse linux enterprise desktop · suse/suse linux enterprise server · vmware/vma · vmware/esx
Source
secalert@redhat.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.