A flaw was found in the 9p passthrough filesystem (9pfs) implementation in QEMU. When a local user in the guest writes an executable file with SUID or SGID, none of these privileged bits are correctly dropped. As a result, in rare circumstances, this flaw could be used by malicious users in the guest to elevate their privileges within the guest and help a host local user to elevate privileges on the host.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2023-07-24T15:19:25.843Z

Updated: 2024-08-02T05:49:11.113Z

Reserved: 2023-03-14T10:31:59.556Z

Link: CVE-2023-1386

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2023-07-24T16:15:11.150

Modified: 2024-04-17T18:15:15.650

Link: CVE-2023-1386

cve-icon Redhat

Severity : Low

Publid Date: 2023-03-07T00:00:00Z

Links: CVE-2023-1386 - Bugzilla