CVE-2021-43413

published 2021-11-07

CVE-2021-43413: An issue was discovered in GNU Hurd before 0.9 20210404-9. A single pager port is shared among everyone who mmaps a file, allowing anyone to modify any files…

high 8.8 CVSS 3.1

AV N AC L PR L UI N S U C H I H A H

An issue was discovered in GNU Hurd before 0.9 20210404-9. A single pager port is shared among everyone who mmaps a file, allowing anyone to modify any files that they can read. This can be trivially exploited to get full root access.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
debian	hurd	< hurd 1:0.9.git20210404-9 (sid)	hurd 1:0.9.git20210404-9 (sid)
gnu	hurd	< 0.9.20210404-9	0.9.20210404-9