CVE-2023-2861 Qemu: 9pfs: improper access control on special files

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-2023-2861

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-2023-2861

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-2023-2861

The CVE-2023-2861 issue affects QEMU’s 9pfs (9p passthrough filesystem) where the server allowed opening host-side special files, potentially enabling a malicious client to escape the exported 9p tree by creating/opening a device file in the shared folder. Affected are QEMU implementations in var...

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...

Oracle Linux 7 : qemu (ELSA-2019-4520)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-4520 advisory. - lsi53c895a: check message length value is valid Prasad J Pandit Orabug: 28873208 CVE-2018-18849 - 9p: fix QEMU crash when renaming files Greg Kurz...

USN-6252-1: Linux kernel vulnerabilities

It was discovered that the ext4 file system implementation in the Linux kernel contained a use-after-free vulnerability. An attacker could use this to construct a malicious ext4 file system image that, when mounted, could cause a denial of service system crash. CVE-2022-1184 It was discovered tha...

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...

Design/Logic Flaw

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-2023-2861

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...

USN-6185-1: Linux kernel vulnerabilities

It was discovered that the TUN/TAP driver in the Linux kernel did not properly initialize socket data. A local attacker could use this to cause a denial of service system crash. CVE-2023-1076 It was discovered that the Real-Time Scheduling Class implementation in the Linux kernel contained a type...

USN-6172-1 linux, linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-azure-fde-5.15, linux-gcp, linux-gcp-5.15, linux-gke, linux-gke-5.15, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-oracle, linux-oracle-5.15, linux-raspi vulnerabilities

It was discovered that the TUN/TAP driver in the Linux kernel did not properly initialize socket data. A local attacker could use this to cause a denial of service system crash. CVE-2023-1076 It was discovered that the Real-Time Scheduling Class implementation in the Linux kernel contained a type...

USN-6171-1: Linux kernel vulnerabilities

William Zhao discovered that the Traffic Control TC subsystem in the Linux kernel did not properly handle network packet retransmission in certain situations. A local attacker could use this to cause a denial of service kernel deadlock. CVE-2022-4269 It was discovered that the TUN/TAP driver in t...

Design/Logic Flaw

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...

Updated kernel packages fix security vulnerabilities

This kernel update is based on upstream 5.15.110 and fixes atleast the following security issues: A slab-out-of-bound read problem was found in brcmfgetassocies in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c. This issue could occur when associnfo-reqlen data is bigger than the siz...

USN-6056-1: Linux kernel (OEM) vulnerability

It was discovered that a race condition existed in the Xen transport layer implementation for the 9P file system protocol in the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service guest crash or expose sensitive information guest...

PT-2023-9641 · Qemu +1 · Qemu +1

Name of the Vulnerable Software and Affected Versions: QEMU affected versions not specified Description: A flaw was found in the 9p passthrough filesystem 9pfs implementation. When a local user in the guest writes an executable file with SUID or SGID, none of these privileged bits are correctly...

K43239141: 9p filesystem vulnerability CVE-2019-16413

Security Advisory Description The 9p filesystem did not protect isizewrite properly, which causes an isizeread infinite loop and denial of service on SMP systems. CVE-2019-16413 Impact There is no impact; F5 products are not affected by this vulnerability. Security Advisory Status F5 Product...

GSD-2023-1000383 9p/client: fix data race on req->status

9p/client: fix data race on req-status This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.0.19 by commit d5080e1598d0e035b3cc5e5d699a5edce34d5fb...

GSD-2023-1000370 net/9p: Fix a potential socket leak in p9_socket_open

net/9p: Fix a potential socket leak in p9socketopen This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.14.301 by commit...