Huawei EulerOS: Security Advisory for qemu (EulerOS-SA-2023-2906)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE-SU-2023:3082-1 Security update for qemu

This update for qemu fixes the following issues: - CVE-2023-3301: Fixed incorrect cleanup of the vdpa/vhost-net structures if peer nic is present bsc1213414. - CVE-2023-0330: Fixed reentrancy issues in the LSI controller bsc1207205. - CVE-2023-2861: Fixed opening special files in 9pfs bsc1212968....

CVE-2023-1386

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 gue...

CVE-2023-1386

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 gue...

CVE-2023-1386

The CVE-2023-1386 entry describes a vulnerability in QEMU’s 9p passthrough filesystem (9pfs). The root cause is that when a local guest user writes an executable with SUID/SGID, the privileged bits are not dropped, enabling potential privilege escalation within the guest and potentially aiding a ...

CVE-2023-1386

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 gue...

CVE-2023-1386 Qemu: 9pfs: suid/sgid bits not dropped on file write

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 gue...

CVE-2023-1386 Qemu: 9pfs: suid/sgid bits not dropped on file write

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 gue...

CVE-2023-1386

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 gue...

CVE-2023-1386

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 gue...

Medium: qemu

Issue Overview: A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles o...

Improper Access Control

qemu is vulnerable to Improper Access Control. The 9pfs server does not prohibit opening special files on the host sideThis could allow a malicious client to escape from the exported 9p tree by creating and opening a device file in the shared folder...

CVE-2023-2861

A flaw was found in the 9p passthrough filesystem 9pfs implementation in QEMU. The 9pfs server did not prohibit opening special files on the host side, potentially allowing a malicious client to escape from the exported 9p tree by creating and opening a device file in the shared folder...

CVE-2023-1859

A use-after-free flaw was found in xen9pfsfrontremovet in net/9p/transxen.c in Xen transport for 9pfs in the Linux Kernel. This flaw could allow a local attacker to crash the system due to a race problem, possibly leading to a kernel information leak...

CVE-2023-1859

A use-after-free flaw was found in xen9pfsfrontremovet in net/9p/transxen.c in Xen transport for 9pfs in the Linux Kernel. This flaw could allow a local attacker to crash the system due to a race problem, possibly leading to a kernel information leak...

CVE-2023-1859

CVE-2023-1859 is a use-after-free in Xen transport 9pfs (xen_9pfs_front_removet in net/9p/trans_xen.c) of the Linux kernel. Connected security bulletins confirm a race condition that could allow a local attacker to crash the system and potentially leak kernel information. Affected is the Xen 9pfs...

CVE-2023-1859

A use-after-free flaw was found in xen9pfsfrontremovet in net/9p/transxen.c in Xen transport for 9pfs in the Linux Kernel. This flaw could allow a local attacker to crash the system due to a race problem, possibly leading to a kernel information leak...

CVE-2023-1859

A use-after-free flaw was found in xen9pfsfrontremovet in net/9p/transxen.c in Xen transport for 9pfs in the Linux Kernel. This flaw could allow a local attacker to crash the system due to a race problem, possibly leading to a kernel information leak...

Ubuntu 22.04 LTS : Linux kernel (OEM) vulnerabilities (USN-6071-1)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6071-1 advisory. It was discovered that the Traffic-Control Index TCINDEX implementation in the Linux kernel did not properly perform filter deactivation in some...

CVE-2023-1859

A use-after-free flaw was found in xen9pfsfrontremovet in net/9p/transxen.c in Xen transport for 9pfs in the Linux Kernel. This flaw could allow a local attacker to crash the system due to a race problem, possibly leading to a kernel information leak...