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CVE-2026-43494 In the Linux kernel, the following vulnerability has been resolved: net/rds: reset op_nents when zerocopy page pin fails…
Description
In the Linux kernel, the following vulnerability has been resolved: net/rds: reset op_nents when zerocopy page pin fails When iov_iter_get_pages2() fails in rds_message_zcopy_from_user(), the pinned pages are released with put_page(), and rm->data.op_mmp_znotifier is cleared. But we fail to properly clear rm->data.op_nents. Later when rds_message_purge() is called from rds_sendmsg() the cleanup loop iterates over the incorrectly non zero number of op_nents and frees them again. Fix this by properly resetting op_nents when it should be in rds_message_zcopy_from_user().
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Linux 7.1 | premières → < 7.1 | 7.1 |
| Linux 7.0 | premières → < 7.0.10 | 7.0.10 |
| Linux 6.18 | premières → < 6.18.33 | 6.18.33 |
| Linux 6.12 | premières → < 6.12.91 | 6.12.91 |
| Linux 6.6 | premières → < 6.6.141 | 6.6.141 |
| Linux 6.1 | premières → < 6.1.175 | 6.1.175 |
| Linux 5.15 | premières → < 5.15.209 | 5.15.209 |
| Linux 5.10 | premières → < 5.10.258 | 5.10.258 |
| Linux | 4.17 | Pas de correctif indiqué |
Afficher les 5 autres branches Masquer les 5 autres branches
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Red Hat Enterprise Linux 10 | Versions non publiées | |
| Red Hat Enterprise Linux 6 | Versions non publiées | |
| Red Hat Enterprise Linux 7 | Versions non publiées | |
| Red Hat Enterprise Linux 8 | Versions non publiées | |
| Red Hat Enterprise Linux 9 | Versions non publiées |
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