Source: qemu X-Debbugs-CC: t...@security.debian.org Severity: important Tags: security
Hi, The following vulnerability was published for qemu. CVE-2023-1386[0]: | 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. https://github.com/v9fs/linux/issues/29 If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2023-1386 https://www.cve.org/CVERecord?id=CVE-2023-1386 Please adjust the affected versions in the BTS as needed.