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CVE-2026-43239

high

In the Linux kernel, the following vulnerability has been resolved: smb: client: prevent races in ->query_interfaces() It was possible for two query interfac…

Vendor / product: Linux — linux kernel

In the Linux kernel, the following vulnerability has been resolved: smb: client: prevent races in ->query_interfaces() It was possible for two query interface works to be concurrently trying to update the interfaces. Prevent this by checking and updating iface_last_update under iface_lock.

CVSS
8.8
8.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity source: NVD CVSS v3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
Timeline (UTC)
Published: 2026-05-06 12:16
Modified: 2026-10-30 13:18
NVD status: Modified
Last synced 1 day ago
Verified against the source API 2026-10-30 13:38 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

linux / linux_kernel ≥5.19.1 <6.6.128, ≥6.7 <6.12.75, ≥6.13 <6.18.16, ≥6.19 <6.19.6, 5.19

Weakness classification (CWE)

NVD-CWE-noinfo CWE-362

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

Patch / mitigation: https://git.kernel.org/stable/c/6287eefaf21ec805d42f941bd368018cf397a7f5
Patch / mitigation: https://git.kernel.org/stable/c/76cc4faba0343c6db945b8dc75425b33d633e1b8
Patch / mitigation: https://git.kernel.org/stable/c/93e8e3ee165ae4609a1222b516b573837103d2c3
Patch / mitigation: https://git.kernel.org/stable/c/ab6564f416a6eaf1199200b6100952407b438f7d
Patch / mitigation: https://git.kernel.org/stable/c/c3c06e42e1527716c54f3ad2ced6a034b5f3a489

References

Data sources

NVD CVE API 2.0 — fetched 2026-10-30 13:38 UTC · record ↗

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