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CVE-2026-53614 is an unsafe environment-variable handling vulnerability in util-linux libmount when used by the SUID mount utility. Improper handling of LIBMOUNT_FORCE_MOUNT2 may allow a local attacker to bypass nosuid and noexec mount restrictions and gain elevated privileges. The specifically described Ubuntu exposure affects Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. Debian, Echo, and SUSE security updates also reference this CVE, but the complete affected-version range and distribution-specific exploitation conditions are not established.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability affecting util-linux packages, identified by Tenable Cloud Security plugin 465290. Its CVSS v3 base score is 7.0 (High), indicating local exploitation with high attack complexity, low privileges required, no user interaction, and high confidentiality, integrity, and availability impacts. The content does not describe the underlying flaw. A patched version is available, and the plugin reports no known exploits.
A security issue in affected util-linux releases prior to v2.42.2 and v2.41.5; the specific flaw is not described in the content.
A vulnerability referenced by the SUSE-SU-2026:3685-1 advisory; the supplied content does not provide technical details.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.