CVE-2026-112909 filelock: UnixFileLock truncates and chmods any regular file another user renames or hard-links onto the lock path

filelock is a platform-independent file lock for Python. Prior to 4.2.1, UnixFileLock can truncate a regular file renamed onto the lock path when another local user has actual rename permission, or hard-linked there under a permissive hard-link policy; when an explicit mode is requested, affected...

Siemens SIMATIC S7-1500 TM MFP Out-of-bounds Write (CVE-2026-46195)

In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building DACL pointers parsesecdesc, buildsecdesc, and the chown path in idmodetocifsacl all add the server-supplied dacloffset to pntsd before proving a DACL header fits inside the returne...

CentOS Linux 6 [TuxCare] Security Update: rsync Multiple Vulnerabilities (CENTOS6:CLSA-2026:1791908277)

The CentOS Linux 6 host has a package installed that is affected by multiple vulnerabilities as referenced in the TuxCare CENTOS6:CLSA-2026:1791908277 advisory. - Rsync version 3.4.2 and prior contain symlink race condition vulnerabilities in path-based system calls including chmod, lchown, utime...

Symlink Privilege Escalation

Apache Storm is vulnerable to symlink privilege escalation. The vulnerability is due to the worker-launcher binary using path‑based lchown and chmod operations after a file‑tree walk with FTS, where an untrusted user can replace an intermediate directory component with a symbolic link between...

CLSA-2026-1791359868 python3.11: Fix of CVE-2026-12345

CVE-2026-12345: fix symlink race in tempfile.TemporaryDirectory cleanup that could delete or chmod files outside the temporary directory - Backport upstream 3.11 hardening the fix builds on: handle os.close errors in shutil.rmtree bpo-35332, don't mask PermissionError during cleanup bpo-43153,...

EUVD-2026-90788

A flaw was found in ansible-runner. The unstreamdir function, which receives and extracts a streamed zip archive on the worker side of the ansible-runner transmit/worker protocol, re-creates symbolic links from archive content without validating the link target and applies chmod and utime to an...

AlmaLinux 9.2 [TuxCare] Security Update: cups / cups-client / cups-devel / cups-filesystem / cups-ipptool / etc (ALMALINUX9.2:CLSA-2024:1734531954)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2024:1734531954 advisory. - OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.8 and earlier, when...

Rocky Linux 9.6 [TuxCare] Security Update: rsync / rsync-daemon / rsync-rrsync (ALMALINUX9.6:CLSA-2026:1779959867)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1779959867 advisory. - Rsync version 3.4.2 and prior contain symlink race condition vulnerabilities in path-based system calls including chmod, lchown, utimes,...

Rocky Linux 8 [CIQ] Security Update: cups / cups-client / cups-client-debuginfo / cups-debuginfo / etc (crlsa-2024_4265)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20244265 advisory. cups: Cupsd Listen arbitrary chmod 0140777 CVE-2024-35235 Tenable has extracted the preceding description block directly from the CIQ security advisory. Note that...

AlmaLinux 9.2 [TuxCare] Security Update: rsync / rsync-daemon (ALMALINUX9.2:CLSA-2026:1780486587)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1780486587 advisory. - Rsync version 3.4.2 and prior contain symlink race condition vulnerabilities in path-based system calls including chmod, lchown, utimes,...

Rocky Linux 8 [CIQ] Security Update: python3-rpm / python3-rpm-debuginfo / rpm / rpm-apidocs / rpm-build / etc Multiple Vulnerabilities (crlsa-2024_0647)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20240647 advisory. rpm: TOCTOU race in checks for unsafe symlinks CVE-2021-35937 rpm: races with chown/chmod/capabilities calls during installation CVE-2021-35938 rpm: checks...

AlmaLinux 9.6 [TuxCare] Security Update: rsync / rsync-daemon / rsync-rrsync (ALMALINUX9.6:CLSA-2026:1779959867)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1779959867 advisory. - Rsync version 3.4.2 and prior contain symlink race condition vulnerabilities in path-based system calls including chmod, lchown, utimes,...

CentOS Linux 7 [TuxCare] Security Update: cups / cups-client / cups-devel / cups-filesystem / cups-ipptool / etc (CENTOS7:CLSA-2025:1762544838)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2025:1762544838 advisory. - OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.8 and earlier, when starti...

PT-2026-98499

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An integer overflow occurs in the SMB client when rewriting a Discretionary Access Control List DACL. The functions replace sids and copy aces and set chmod dacl use a u16 accumulator to...

CVE-2026-54576 mport package installation has symlink TOCTOU in chown and chmod handling

mport is the MidnightBSD Package Manager. Prior to 2.7.8, doactualinstall in libmport/bundlereadinstallpkg.c used path-based lstat, chown, stat, and chmod operations while installing package files. A local attacker with write access to a target directory could replace a checked file with a symlin...

Time-of-check Time-of-use (TOCTOU) Race Condition

Overview org.apache.storm:storm-core is a distributed realtime computation system. Affected versions of this package are vulnerable to Time-of-check Time-of-use TOCTOU Race Condition via the worker-launcher process. An attacker can gain elevated privileges by exploiting a race condition between t...

CVE-2026-82429

Description The setuid-root "worker-launcher" binary adjusts ownership and permissions of worker directories by walking the tree with FTS and calling "lchown" and "chmod" on each entry's full pathname while running with an effective uid of 0. Both syscalls re-resolve the path at the time of the...

EUVD-2026-77528

Description The setuid-root worker-launcher binary adjusts ownership and permissions of worker directories by walking the tree with FTS and calling lchown and chmod on each entry's full pathname while running with an effective uid of 0. Both syscalls re-resolve the path at the time of the call,...

PT-2026-91227

Description The setuid-root worker-launcher binary adjusts ownership and permissions of worker directories by walking the tree with FTS and calling lchown and chmod on each entry's full pathname while running with an effective uid of 0. Both syscalls re-resolve the path at the time of the call,...

CVE-2026-82429: Time-of-check Time-of-use (TOCTOU) Race Condition

Description The setuid-root worker-launcher binary adjusts ownership and permissions of worker directories by walking the tree with FTS and calling lchown and chmod on each entry's full pathname while running with an effective uid of 0. Both syscalls re-resolve the path at the time of the call,...