7.8
Élevée
CVE-2021-47259 In the Linux kernel, the following vulnerability has been resolved: NFS: Fix use-after-free in nfs4_init_client()…
Description
In the Linux kernel, the following vulnerability has been resolved: NFS: Fix use-after-free in nfs4_init_client() KASAN reports a use-after-free when attempting to mount two different exports through two different NICs that belong to the same server. Olga was able to hit this with kernels starting somewhere between 5.7 and 5.10, but I traced the patch that introduced the clear_bit() call to 4.13. So something must have changed in the refcounting of the clp pointer to make this call to nfs_put_client() the very last one.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Linux 5.13 | premières → < 5.13 | 5.13 |
| Linux 5.12 | premières → < 5.12.11 | 5.12.11 |
| Linux 5.10 | premières → < 5.10.44 | 5.10.44 |
| Linux 5.4 | premières → < 5.4.126 | 5.4.126 |
| Linux 4.19 | premières → < 4.19.195 | 4.19.195 |
| Linux 4.14 | premières → < 4.14.237 | 4.14.237 |
| Linux | 4.13 | Pas de correctif indiqué |
| linux_kernel 8 | 8dcbec6d20eb → < 476bdb04c501 | 476bdb04c501 |
Autres CVE de Linux
Les 18300 CVE de Linux →
CVE-2026-99284
net: skbuff: propagate shared-frag marker in skb_zerocopy()
Non notée
CVE-2026-99283
netfilter: conntrack: tcp: use UNACK timeout for non-closing RST packets
Non notée
CVE-2026-99282
net/sched: sch_teql: fix use-after-free on lower qdisc drop
Non notée
CVE-2026-99281
tun: Require CAP_NET_ADMIN to attach to an ownerless device
Non notée