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Medium severity5.5NVD Advisory· Published May 20, 2025· Updated Jun 17, 2026

CVE-2025-37962

CVE-2025-37962

Description

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

ksmbd: fix memory leak in parse_lease_state()

The previous patch that added bounds check for create lease context introduced a memory leak. When the bounds check fails, the function returns NULL without freeing the previously allocated lease_ctx_info structure.

This patch fixes the issue by adding kfree(lreq) before returning NULL in both boundary check cases.

AI Insight

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

Affected products

11
  • Debian/linux
    cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
  • Linux/Kernel8 versions
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 7 more
    • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=6.1.134,<6.1.139
    • cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.15:rc3:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.15:rc4:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.15:rc5:*:*:*:*:*:*
    • (no CPE)
    • (no CPE)range: 6.1.134
  • Linux/Ksmbdllm-fuzzy
  • osv-coords
    pkg:linux/kernel
    Range: >= 6.1.134, < 6.1.139

Patches

Vulnerability mechanics

References

6

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