UNKNOWN NVD
CVE-2026-93210
In the Linux kernel, the following vulnerability has been resolved: smb: client: harden DFS cache against invalid target hints Currently, get_tgt_name() retur
In the Linux kernel, the following vulnerability has been resolved:
smb: client: harden DFS cache against invalid target hints
Currently, get_tgt_name() returns ERR_PTR(-ENOENT) when ce->tgthint is
NULL, and dfs_cache_noreq_update_tgthint() assumes ce->tgthint is always
valid.
In preparation for clearing ce->tgthint in free_tgts(), harden callers
of get_tgt_name() against ERR_PTR results and harden
dfs_cache_noreq_update_tgthint() against NULL pointer dereferences.
References
- https://git.kernel.org/stable/c/66dbcdbb0cadffd12eb8f2b115fd57d384c5109d
- https://git.kernel.org/stable/c/6cb7f9fed8f40f28fbd464ca99c946951afc0952
- https://git.kernel.org/stable/c/7e32da6047d9afdae8dd17b87b4c8d97363c4ee2
- https://git.kernel.org/stable/c/846f0709559b9e27024e126a80bc7afb76516912
- https://git.kernel.org/stable/c/a48328afbc3f63e3b9de8827e2e16c15b17976f7
This unknown severity vulnerability was published on 2026-09-24 via NVD.
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