CVE-2026-45927

A flaw was found in the Linux kernel's Berkeley Packet Filter BPF subsystem. This vulnerability, a Time-of-check to time-of-use TOCTOU bug, allows a local attacker to modify the contents of a BPF map after its hash has been calculated but before it is frozen. Consequently, a trusted loader could ...

PT-2026-44187

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description An authenticated administrator possessing the manage-clients role can exploit a Time-of-check to time-of-use TOCTOU flaw in name-based admin role checks. TOCTOU is a race condition where a...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from TOCTOU race conditions in the btrfsbtrfsioctlspaceinfo function, potentially leading to informati...

CVE-2026-24191

NVIDIA Display Driver for Windows contains a vulnerability where an attacker could cause a time-of-check time-of-use issue. A successful exploit of this vulnerability might lead to denial of service, escalation of privileges, information disclosure, data tampering, and code execution...

UBUNTU-CVE-2026-45927

In the Linux kernel, the following vulnerability has been resolved: bpf: Require frozen map for calculating map hash Currently, bpfmapgetinfobyfd calculates and caches the hash of the map regardless of the map's frozen state. This leads to a TOCTOU bug where userspace can call BPFOBJGETINFOBYFD t...

CVE-2026-45927

The CVE-2026-45927 issue affects the Linux kernel BPF subsystem. bpf_map_get_info_by_fd caches the hash of a map regardless of its frozen state, enabling a TOCTOU where a trusted loader could compare an older hash after a map is modified but before freezing. The fix returns -EPERM when the hash i...

SUSE-SU-2026:2083-1 Security update for rsync

This update for rsync fixes the following issues - CVE-2026-29518: Symlink-Race TOCTOU in Daemon bsc1264511. - CVE-2026-41035: count of entries mismatch can lead to a use-after-free bsc1262223. - CVE-2026-43617: Authorization Bypass via Hostname Resolution bsc1264515. - CVE-2026-43618: Integer...

libcap: libcap: Privilege escalation via TOCTOU race condition in cap_set_file()

A flaw was found in libcap. A local unprivileged user can exploit a Time-of-check-to-time-of-use TOCTOU race condition in the capsetfile function. This allows an attacker with write access to a parent directory to redirect file capability updates to an attacker-controlled file. By doing so,...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from bpfmapgetinfobyfd function in bpf. This function does not check the frozen state of maps during t...

RHEL 9 : libcap (RHSA-2026:21254)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:21254 advisory. Libcap is a library for getting and setting POSIX.1e formerly POSIX 6 draft 15 capabilities. Security Fixes: libcap: libcap: Privilege escalation vi...

CVE-2026-24191

NVIDIA Display Driver for Windows contains a vulnerability where an attacker could cause a time-of-check time-of-use issue. A successful exploit of this vulnerability might lead to denial of service, escalation of privileges, information disclosure, data tampering, and code execution...

CVE-2026-24191

CVE-2026-24191 affects NVIDIA Display Driver for Windows. The vulnerability enables a time-of-check time-of-use issue in the Windows display driver, with potential impacts including denial of service, privilege escalation, information disclosure, data tampering, and code execution. Affected produ...

CVE-2026-24191

NVIDIA Display Driver for Windows contains a vulnerability where an attacker could cause a time-of-check time-of-use issue. A successful exploit of this vulnerability might lead to denial of service, escalation of privileges, information disclosure, data tampering, and code execution...

CVE-2026-24191

NVIDIA Display Driver for Windows contains a vulnerability where an attacker could cause a time-of-check time-of-use issue. A successful exploit of this vulnerability might lead to denial of service, escalation of privileges, information disclosure, data tampering, and code execution...

CVE-2026-44469 Incorrect Default Permissions in CODESYS Development System

The affected product extracts installation files to a temporary directory with incorrect default permissions during administrative installation. A low-privileged local attacker can exploit a TOCTOU race condition with a practical time window to replace verified files with malicious ones before...

EUVD-2026-31797

The affected product extracts installation files to a temporary directory with incorrect default permissions during administrative installation. A low-privileged local attacker can exploit a TOCTOU race condition with a practical time window to replace verified files with malicious ones before...

CVE-2026-44469

The CVE-2026-44469 entry concerns CODESYS Development System. During administrative installation, installation files are extracted to a temporary directory with incorrect default permissions. A low-privileged local attacker could exploit a TOCTOU race condition within a practical time window to r...

libcap: libcap: Privilege escalation via TOCTOU race condition in cap_set_file()

A flaw was found in libcap. A local unprivileged user can exploit a Time-of-check-to-time-of-use TOCTOU race condition in the capsetfile function. This allows an attacker with write access to a parent directory to redirect file capability updates to an attacker-controlled file. By doing so,...

TencentOS Server 3: PackageKit (TSSA-2026:0354)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0354 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...

CLSA-2026-1779694887 rsync: Fix of CVE-2026-29518

CVE-2026-29518: fix daemon-no-chroot TOCTOU symlink race by tracking per-module chroot in amchrooted, routing sender read-path, receiver basis-file open, mkstemp, and inplace write through securerelativeopen / securemkstemp...