CVE-2022-2906
Published: 21 September 2022
An attacker can leverage this flaw to gradually erode available memory to the point where named crashes for lack of resources. Upon restart the attacker would have to begin again, but nevertheless there is the potential to deny service.
Notes
Author | Note |
---|---|
alexmurray | As of isc-dhcp-4.4.3-1, isc-dhcp vendors bind9 libs |
mdeslaur | affects 9.18+ |
Priority
Status
Package | Release | Status |
---|---|---|
bind9 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(1:9.11.3+dfsg-1ubuntu1.17)
|
focal |
Not vulnerable
(1:9.16.1-0ubuntu2.10)
|
|
jammy |
Released
(1:9.18.1-1ubuntu1.2)
|
|
kinetic |
Released
(1:9.18.4-2ubuntu2)
|
|
trusty |
Not vulnerable
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
|
|
isc-dhcp Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present)
|
focal |
Not vulnerable
(code not present)
|
|
jammy |
Not vulnerable
(code not present)
|
|
kinetic |
Not vulnerable
(code not compiled)
|
|
trusty |
Not vulnerable
(code not present)
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
(code not present)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |