3.6
Low
CVE-2026-91142 Cockpit: cockpit: unauthorized modification of login records via integer overflow
Description
A flaw was found in Cockpit. An authenticated local user with a large user identifier (UID) can cause unauthorized modification and disclosure of login records. On 32-bit systems, an integer overflow during session accounting allows the user's login process to read or overwrite the legacy log entries of other accounts.
CVSS 3.1 detail
Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:NExploitable with local access to the machine, with an ordinary account and without any user action; the impact on data or service is limited.
- Attack vector
- Local
- Attack complexity
- High
- Privileges required
- Low
- Interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 10 | Versions not published | |
| Red Hat Enterprise Linux 7 | Versions not published | |
| Red Hat Enterprise Linux 8 | Versions not published | |
| Red Hat Enterprise Linux 9 | Versions not published | |
| Red Hat OpenShift Dev Spaces | Versions not published |
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Not rated