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High severity8.8NVD Advisory· Published Apr 1, 2025· Updated Jul 30, 2026

CVE-2025-21955

CVE-2025-21955

Description

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: prevent connection release during oplock break notification

ksmbd_work could be freed when after connection release. Increment r_count of ksmbd_conn to indicate that requests are not finished yet and to not release the connection.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

10
  • Linux/Kernel9 versions
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 8 more
    • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=5.15,<6.6.84
    • cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.14:rc3:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.14:rc4:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.14:rc5:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.14:rc6:*:*:*:*:*:*
    • (no CPE)
    • (no CPE)range: 5.15
  • osv-coords
    pkg:linux/kernel
    Range: >= 5.15.0, < 6.6.84

Patches

Vulnerability mechanics

References

4

News mentions

0

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