CVE-2025-21967 (GCVE-0-2025-21967)

Vulnerability from cvelistv5 – Published: 2025-04-01 15:47 – Updated: 2025-05-04 07:25
VLAI?
Title
ksmbd: fix use-after-free in ksmbd_free_work_struct
Summary
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.
Severity ?
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < fb776765bfc21d5e4ed03bb3d4406c2b86ff1ac3 (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < 62746ae3f5414244a96293e3b017be637b641280 (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < eb51f6f59d19b92f6fe84d3873f958495ab32f0a (git)
Affected: 0626e6641f6b467447c81dd7678a69c66f7746cf , < bb39ed47065455604729404729d9116868638d31 (git)
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    Linux Linux Affected: 5.15
Unaffected: 0 , < 5.15 (semver)
Unaffected: 6.6.84 , ≤ 6.6.* (semver)
Unaffected: 6.12.20 , ≤ 6.12.* (semver)
Unaffected: 6.13.8 , ≤ 6.13.* (semver)
Unaffected: 6.14 , ≤ * (original_commit_for_fix)
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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