coreutils (>=0.0.14, <=0.0.16) potentially affected by CVE-2026-35341 via uu_mkfifo (>=0.0.14, <=0.0.16)

uumkfifo CARGO version =0.0.14, =0.0.14, =0.0.16 Source cves: CVE-2026-35341 Source advisory: OSV:GHSA-PMF6-RCX4-V53V...

mkfifo: permissions of an existing file are changed after FIFO creation fails

When mkfifo fails e.g. target already exists, the code shows an error but is missing a continue;, so it falls through to fs::setpermissions and changes the permissions of the pre-existing file to the default FIFO mode 0o666 & umask - 0644. $ touch secret; chmod 000 secret $ coreutils mkfifo secre...

CVE-2026-35341 vulnerabilities

Vulnerabilities for packages: uutils...

CVE-2026-35341

A vulnerability in uutils coreutils mkfifo allows for the unauthorized modification of permissions on existing files. When mkfifo fails to create a FIFO because a file already exists at the target path, it fails to terminate the operation for that path and continues to execute a follow-up...

CVE-2026-35341

A vulnerability in uutils coreutils mkfifo allows for the unauthorized modification of permissions on existing files. When mkfifo fails to create a FIFO because a file already exists at the target path, it fails to terminate the operation for that path and continues to execute a follow-up...

Linux Distros Unpatched Vulnerability : CVE-2026-35341

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability in uutils coreutils mkfifo allows for the unauthorized modification of permissions on existing files. When mkfifo fails to create a FIFO because...