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Critical severity9.8NVD Advisory· Published May 27, 2026· Updated Jul 15, 2026

CVE-2026-45972

CVE-2026-45972

Description

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

smb: client: fix potential UAF and double free in smb2_open_file()

Zero out @err_iov and @err_buftype before retrying SMB2_open() to prevent an UAF bug if @data != NULL, otherwise a double free.

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

Affected products

4
  • Linux/Kernel3 versions
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=6.1.163,<6.1.165
    • cpe:2.3:o:linux:linux_kernel:6.19:-:*:*:*:*:*:*
    • (no CPE)
  • osv-coords
    pkg:linux/kernel
    Range: < 6.1.165

Patches

Vulnerability mechanics

References

9

News mentions

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