7.8
Élevée
CVE-2026-96512 A flaw was found in sudo
Description
A flaw was found in sudo. When sudoers rules use NOTBEFORE or NOTAFTER time-based access restrictions with timestamps that omit the trailing 'Z' timezone indicator, the time evaluation relies on the TZ environment variable inherited from the calling user. Because sudo is a setuid-root program, an unprivileged local user can set TZ to an extreme timezone offset to shift the authorization window by up to approximately 25 hours, causing expired rules to be treated as valid. This allows the user to execute commands outside the intended time window. Authentication is not bypassed; only the time-based authorization check is affected.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Red Hat Enterprise Linux 10 | Versions non publiées | |
| Red Hat Enterprise Linux 9 | Versions non publiées | |
| Red Hat Hardened Images 1.9 | premières → < 1.9.17-16.p2.2.hum1 | 1.9.17-16.p2.2.hum1 |
| Red Hat Enterprise Linux 7 | Versions non publiées | |
| Red Hat Enterprise Linux 8 | Versions non publiées | |
| Red Hat Update Infrastructure 5 1791978693 | premières → < 1791978693 | 1791978693 |
| Red Hat Enterprise Linux 9.6 Extended Update Support | Versions non publiées | |
| Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions | Versions non publiées | |
| Red Hat Enterprise Linux 8.8 Telecommunications Update Service | Versions non publiées |
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| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | Versions non publiées | |
| Red Hat Enterprise Linux 10.0 Extended Update Support | Versions non publiées | |
| Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | Versions non publiées | |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | Versions non publiées | |
| Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | Versions non publiées | |
| Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | Versions non publiées | |
| Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On | Versions non publiées | |
| Red Hat Enterprise Linux 7 Extended Lifecycle Support | Versions non publiées | |
| Red Hat OpenShift AI 3.0 1793041981 | premières → < 1793041981 | 1793041981 |
| Red Hat OpenShift AI 3.4 1793041995 | premières → < 1793041995 | 1793041995 |
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Non notée