vulnerability
Amazon Linux 2023: CVE-2025-9810: Medium priority package update for redis6
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:L/AC:L/Au:N/C:N/I:C/A:P) | Sep 1, 2025 | Sep 30, 2025 | Sep 30, 2025 |
Severity
6
CVSS
(AV:L/AC:L/Au:N/C:N/I:C/A:P)
Published
Sep 1, 2025
Added
Sep 30, 2025
Modified
Sep 30, 2025
Description
A time-of-check to time-of-use (TOCTOU) race condition exists in linenoise's linenoiseHistorySave() function, where the history file is first opened with fopen("w") and subsequently modified with chmod(). This vulnerability allows a local attacker to manipulate a symbolic link between these two operations: first, pointing the symlink to a sensitive file at the time of opening, and then switching it to another file before the permission change. This flaw allows arbitrary file overwrite or unintended permission modifications.
Solutions
amazon-linux-2023-upgrade-redis6amazon-linux-2023-upgrade-redis6-debuginfoamazon-linux-2023-upgrade-redis6-debugsourceamazon-linux-2023-upgrade-redis6-develamazon-linux-2023-upgrade-redis6-doc
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