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High severity8.1NVD Advisory· Published Aug 16, 2025· Updated Aug 15, 2026

CVE-2023-3865

CVE-2023-3865

Description

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

ksmbd: fix out-of-bound read in smb2_write

ksmbd_smb2_check_message doesn't validate hdr->NextCommand. If ->NextCommand is bigger than Offset + Length of smb2 write, It will allow oversized smb2 write length. It will cause OOB read in smb2_write.

AI Insight

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

Affected products

11
  • Linux/Kernel10 versions
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 9 more
    • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=5.15,<5.15.121
    • cpe:2.3:o:linux:linux_kernel:6.4:rc1:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.4:rc2:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.4:rc3:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.4:rc4:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.4:rc5:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.4:rc6:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.4:rc7:*:*:*:*:*:*
    • (no CPE)
    • (no CPE)range: 5.15
  • osv-coords
    pkg:linux/kernel
    Range: >= 5.15.0, < 5.15.121

Patches

Vulnerability mechanics

References

4

News mentions

0

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