Non notée
CVE-2025-39764 netfilter: ctnetlink: remove refcounting in expectation dumpers
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: ctnetlink: remove refcounting in expectation dumpers Same pattern as previous patch: do not keep the expectation object alive via refcount, only store a cookie value and then use that as the skip hint for dump resumption. AFAICS this has the same issue as the one resolved in the conntrack dumper, when we do if (!refcount_inc_not_zero(&exp->use)) to increment the refcount, there is a chance that exp == last, which causes a double-increment of the refcount and subsequent memory leak.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Linux 6.17 | premières → < 6.17 | 6.17 |
| Linux 6.16 | premières → < 6.16.2 | 6.16.2 |
| Linux 6.12 | premières → < 6.12.78 | 6.12.78 |
| Linux 6.6 | premières → < 6.6.130 | 6.6.130 |
| Linux 6.1 | premières → < 6.1.167 | 6.1.167 |
| Linux 5.15 | premières → < 5.15.203 | 5.15.203 |
| Linux 5.10 | premières → < 5.10.253 | 5.10.253 |
| Linux | 2.6.23 | Pas de correctif indiqué |
| SIMATIC S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.7 → dernières | Pas de correctif indiqué |
Afficher les 2 autres branches Masquer les 2 autres branches
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP 3.1 | 3.1.7 → dernières | Pas de correctif indiqué |
| SIPLUS S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.7 → dernières | Pas de correctif indiqué |
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