CVE-2022-33982

CVE-2022-33982 concerns a DMA-based TOCTOU vulnerability in the Int15ServiceSmm software SMI handler. The parameter buffer accessed by the SMI handler is susceptible to DMA manipulation, allowing an attacker to alter values after they are checked but before use, potentially causing SMRAM corrupti...

CVE-2022-33986

CVE-2022-33986 concerns DMA attacks on the parameter buffer used by the InsydeH2O/VariableRuntimeDxe SMI handler, potentially enabling a TOCTOU attack and SMRAM corruption. Public sources specify the vulnerable component as the VariableRuntimeDxe driver’s SMI handler parameter buffer, with exploi...

CVE-2022-33985

The CVE-2022-33985 issue affects the NvmExpressDxe driver’s SMI input buffers. It enables a TOCTOU vulnerability that can lead to SMRAM corruption via DMA targeted at the SMI handler input buffers. The problem is fixed in kernel updates: 5.2 (05.27.25), 5.3 (05.36.25), 5.4 (05.44.25), and 5.5 (05...

CVE-2022-33983

DMA transactions which are targeted at input buffers used for the NvmExpressLegacy software SMI handler could cause SMRAM corruption through a TOCTOU attack. DMA transactions which are targeted at input buffers used for the software SMI handler used by the NvmExpressLegacy driver could cause SMRA...

CVE-2022-34325

CVE-2022-34325 affects InsydeH2O StorageSecurityCommandDxe in UEFI BIOS/firmware. The issue is a TOCTOU race condition where DMA transactions targeting input buffers used by the StorageSecurityCommandDxe SMI handler can lead to SMRAM corruption. Affected component appears to be the StorageSecurit...

CVE-2022-33905

DMA transactions which are targeted at input buffers used for the AhciBusDxe software SMI handler could cause SMRAM corruption a TOCTOU attack. DMA transactions which are targeted at input buffers used for the software SMI handler used by the AhciBusDxe driver could cause SMRAM corruption through...

CVE-2022-21198

Time-of-check time-of-use race condition in the BIOS firmware for some IntelR Processors may allow a privileged user to potentially enable escalation of privilege via local access...

CVE-2022-21198: Time-of-check Time-of-use (TOCTOU) Race Condition

Time-of-check time-of-use race condition in the BIOS firmware for some IntelR Processors may allow a privileged user to potentially enable escalation of privilege via local access...

HP PC BIOS November 2022 Security Updates for Potential TOCTOU Vulnerabilities

Potential time-of-check to time-of-use TOCTOU vulnerabilities have been identified in the BIOS for certain HP PC products, which might allow arbitrary code execution, escalation of privilege, denial of service, and information disclosure. HP is releasing BIOS updates to mitigate these potential...

Multiple race conditions due to TOCTOU flaws in various UEFI Implementations

Overview Multiple Unified Extensible Firmware Interface UEFI implementations are vulnerable to code execution in System Management Mode SMM by an attacker who gains administrative privileges on the local machine. An attacker can corrupt the memory using Direct Memory Access DMA timing attacks tha...

CVE-2021-46853: Time-of-check Time-of-use (TOCTOU) Race Condition

Alpine before 2.25 allows remote attackers to cause a denial of service application crash when LIST or LSUB is sent before STARTTLS...

Huawei EulerOS: Security Advisory for shadow (EulerOS-SA-2022-2698)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2022 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...

Huawei EulerOS: Security Advisory for shadow (EulerOS-SA-2022-2666)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2022 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...

EulerOS 2.0 SP10 : shadow (EulerOS-SA-2022-2698)

According to the versions of the shadow package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - shadow: TOCTOU time-of-check time-of-use race condition when copying and removing directory trees CVE-2013-4235 Note that Tenable Network Securit...

EulerOS 2.0 SP10 : shadow (EulerOS-SA-2022-2666)

According to the versions of the shadow package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - shadow: TOCTOU time-of-check time-of-use race condition when copying and removing directory trees CVE-2013-4235 Note that Tenable Network Securit...

Shadow: TOCTOU Race

Background Shadow contains utilities to deal with user accounts Description A TOCTOU race condition was discovered in shadow. A local attacker with write privileges in a directory removed or copied by usermod/userdel could potentially exploit this flaw when the administrator invokes...

GLSA-202210-26 : Shadow: TOCTOU Race

The remote host is affected by the vulnerability described in GLSA-202210-26 Shadow: TOCTOU Race - shadow: TOCTOU time-of-check time-of-use race condition when copying and removing directory trees CVE-2013-4235 Note that Nessus has not tested for this issue but has instead relied only on the...

Juniper Junos OS Time-of-check Time-of-use (TOCTOU) Race Condition DoS (JSA69902)

The version of Junos OS installed on the remote host is affected by a DoS vulnerability as referenced in the JSA69902 advisory. A Time-of-check Time-of-use TOCTOU Race Condition vulnerability in Routing Protocol Daemon rpd of Juniper Networks Junos OS, Junos OS Evolved allows a network-based...

CVE-2022-22225

A Time-of-check Time-of-use TOCTOU Race Condition vulnerability in the Routing Protocol Daemon rpd of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated attacker with an established BGP session to cause a Denial of Service DoS. In a BGP multipath scenario, when one of the...

Race condition

A Time-of-check Time-of-use TOCTOU Race Condition vulnerability in Routing Protocol Daemon rpd of Juniper Networks Junos OS, Junos OS Evolved allows a network-based unauthenticated attacker to cause a Denial of Service DoS. When a BGP flow route with redirect IP extended community is received, an...