Bug 2460774 (CVE-2026-35359) - CVE-2026-35359 rust-coreutils: cp: information disclosure via Time-of-Check to Time-of-Use symlink swap
Summary: CVE-2026-35359 rust-coreutils: cp: information disclosure via Time-of-Check t...
Keywords:
Status: NEW
Alias: CVE-2026-35359
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2461672 2461673
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-22 17:01 UTC by OSIDB Bzimport
Modified: 2026-04-24 19:58 UTC (History)
8 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-04-22 17:01:56 UTC
A Time-of-Check to Time-of-Use (TOCTOU) vulnerability in the cp utility of uutils coreutils allows an attacker to bypass no-dereference intent. The utility checks if a source path is a symbolic link using path-based metadata but subsequently opens it without the O_NOFOLLOW flag. An attacker with concurrent write access can swap a regular file for a symbolic link during this window, causing a privileged cp process to copy the contents of arbitrary sensitive files into a destination controlled by the attacker.


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