CVE-2021-45261
Published: 22 December 2021
An Invalid Pointer vulnerability exists in GNU patch 2.7 via the another_hunk function, which causes a Denial of Service.
Notes
| Author | Note |
|---|---|
| rodrigo-zaiden | negligible security impact since it affects the CLI tool with a specific malformed patch file. As of 2022-03-04, upstream has not released any updates nor comments on this issue, marking as deferred. |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
patch Launchpad, Ubuntu, Debian |
bionic |
Deferred
(2022-03-04)
|
| focal |
Deferred
(2022-03-04)
|
|
| trusty |
Deferred
(2022-03-04)
|
|
| upstream |
Needs triage
|
|
| xenial |
Deferred
(2022-03-04)
|
|
| hirsute |
Ignored
(end of life)
|
|
| jammy |
Deferred
(2022-03-04)
|
|
| impish |
Ignored
(end of life)
|
|
| kinetic |
Ignored
(end of life, was deferred [2022-03-04])
|
|
| lunar |
Deferred
(2022-03-04)
|
|
| mantic |
Deferred
(2022-03-04)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |