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Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

Red HatCVE-2026-91203

Red Hat Enterprise Linux 9: race condition

Red Hat

CVE-2026-91203 · Published Sep 18, 2026 · updated Nov 6, 2026

Medium6.0
No fix yet
Red Hat advisory

A flaw was found in cockpit-files. This vulnerability allows a local attacker to exploit a timing issue, known as a symlink race condition, during privileged file operations such as changing file ownership or permissions. By manipulating directory entries and winning this race, the attacker can redirect these operations to unintended files. This could lead to unauthorized changes in file ownership and permissions on arbitrary files, potentially compromising system integrity and availability by altering system or application states or rendering services unusable.

Affected versions

PackageAffectedFixed in
Red Hat Enterprise Linux 9
Product
all versionsNo fix yet
Details and references

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