CVE-2025-21967
highIn the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbd_free_work_struct ->interim_entry of ksmbd_work could b…
Vendor / product: Linux — linux kernel
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbd_free_work_struct ->interim_entry of ksmbd_work could be deleted after oplock is freed. We don't need to manage it with linked list. The interim request could be immediately sent whenever a oplock break wait is needed.
CVSS
7.8
7.8 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2025-04-01 16:15
Modified: 2026-10-30 13:17
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 ≥5.15 <6.6.84, ≥6.7 <6.12.20, ≥6.13 <6.13.8, 6.14
Weakness classification (CWE)
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/62746ae3f5414244a96293e3b017be637b641280
Patch / mitigation: https://git.kernel.org/stable/c/bb39ed47065455604729404729d9116868638d31
Patch / mitigation: https://git.kernel.org/stable/c/eb51f6f59d19b92f6fe84d3873f958495ab32f0a
Patch / mitigation: https://git.kernel.org/stable/c/fb776765bfc21d5e4ed03bb3d4406c2b86ff1ac3
References
- https://git.kernel.org/stable/c/62746ae3f5414244a96293e3b017be637b641280 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/bb39ed47065455604729404729d9116868638d31 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/eb51f6f59d19b92f6fe84d3873f958495ab32f0a 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/fb776765bfc21d5e4ed03bb3d4406c2b86ff1ac3 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/ffe0909010b21df8f948d624ad00cf14dd856721 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Data sources
NVD CVE API 2.0 — fetched 2026-10-30 13:38 UTC · record ↗