CVE-2026-93210

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Source
https://cve.org/CVERecord?id=CVE-2026-93210
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-93210.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-93210
Downstream
Related
Published
2026-09-24T15:10:33Z
Modified
2026-09-29T18:26:56Z
Summary
smb: client: harden DFS cache against invalid target hints
Details

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.

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93210.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
54be1f6c1c37498bba557049df646cc239fa37e3
Fixed
a48328afbc3f63e3b9de8827e2e16c15b17976f7
Fixed
6cb7f9fed8f40f28fbd464ca99c946951afc0952
Fixed
66dbcdbb0cadffd12eb8f2b115fd57d384c5109d
Fixed
846f0709559b9e27024e126a80bc7afb76516912
Fixed
7e32da6047d9afdae8dd17b87b4c8d97363c4ee2
Fixed
bf86c08123c6ab8c61cc0be1dad7540db93738ff

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-93210.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
5.0.0
Fixed
6.1.188
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.6.157
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.109
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.18.50
Type
ECOSYSTEM
Events
Introduced
6.19.0
Fixed
7.2.4

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-93210.json"