CVE-2025-37924
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in kerberos authentication Setting sess->user = NULL was introduced to fix the dangling pointer created by ksmbd_free_user.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 24.5%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in kerberos authentication Setting sess->user = NULL was introduced to fix the dangling pointer created by ksmbd_free_user. However, it is possible another thread could be operating on the session and make use of sess->user after it has been passed to ksmbd_free_user but before sess->user is set to NULL.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 24.55% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel · debian/debian linux
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS moved from 24.5% on 27 October 2026 to 24.5% on 2 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://git.kernel.org/stable/c/28c756738af44a404a91b77830d017bb0c525890Patch
- https://git.kernel.org/stable/c/b447463562238428503cfba1c913261047772f90Patch
- https://git.kernel.org/stable/c/e18c616718018dfc440e4a2d2b94e28fe91b1861Patch
- https://git.kernel.org/stable/c/e34a33d5d7e87399af0a138bb32f6a3e95dd83d2Patch
- https://git.kernel.org/stable/c/e86e9134e1d1c90a960dd57f59ce574d27b9a124Patch
- https://lists.debian.org/debian-lts-announce/2025/08/msg00010.htmlMailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.