9.8
Critique
CVE-2021-47548 In the Linux kernel, the following vulnerability has been resolved: ethernet: hisilicon: hns: hns_dsaf_misc: fix a…
Description
In the Linux kernel, the following vulnerability has been resolved: ethernet: hisilicon: hns: hns_dsaf_misc: fix a possible array overflow in hns_dsaf_ge_srst_by_port() The if statement: if (port >= DSAF_GE_NUM) return; limits the value of port less than DSAF_GE_NUM (i.e., 8). However, if the value of port is 6 or 7, an array overflow could occur: port_rst_off = dsaf_dev->mac_cb[port]->port_rst_off; because the length of dsaf_dev->mac_cb is DSAF_MAX_PORT_NUM (i.e., 6). To fix this possible array overflow, we first check port and if it is greater than or equal to DSAF_MAX_PORT_NUM, the function returns.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Linux 5.16 | premières → < 5.16 | 5.16 |
| Linux 5.15 | premières → < 5.15.7 | 5.15.7 |
| Linux 5.10 | premières → < 5.10.84 | 5.10.84 |
| Linux 5.4 | premières → < 5.4.164 | 5.4.164 |
| Linux 4.19 | premières → < 4.19.220 | 4.19.220 |
| Linux 4.14 | premières → < 4.14.257 | 4.14.257 |
| Linux 4.9 | premières → < 4.9.292 | 4.9.292 |
| Linux | 4.7 | Pas de correctif indiqué |
| linux_kernel 5.16 | premières → < 5.16 | 5.16 |
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