CVE-2026-45972Critical· 9.8▾ MidnightIn 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 != NUL…
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 53.9 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 16.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.3%
Last analysed / modified upstream
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.
Linux >= 743f70406264348c0830f38409eb6c40a42fb2db < 96e53bb3ee2f354cf6b4ab07bcc56e500f8b3f74Linux >= 3a6d6b332f92990958602c1e35ce0173e2dd62e9 < 7425453ea16dbc3bbb0f6cac4d60b537e5e4d151Linux >= b64e3b5d8d759dd4333992e4ba4dadf9359952c8 < 4d339b219004869e96c4ce56b8891f83a38da4c0Linux >= 9ee608a64e37cea5b4b13e436c559dd0fb2ad1b5 < e66dcf7bb9c4df5582c82bc3582725abcbfbea73Linux >= e3a43633023e3cacaca60d4b8972d084a2b06236 < 639deb962986ef2f5e2a6d5a600c66f922471e81Linux >= e3a43633023e3cacaca60d4b8972d084a2b06236 < ebbbc4bfad4cb355d17c671223d0814ee3ef4edaLinux >= 6.1.163 < 6.1.165Linux >= 6.6.124 < 6.6.128Linux >= 6.12.70 < 6.12.75Linux >= 6.18.10 < 6.18.14Linux 6.19Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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