CVE-2026-46155Critical· 9.1▾ MidnightIn the Linux kernel, the following vulnerability has been resolved: smb/client: fix out-of-bounds read in smb2_compound_op() If a server sends a truncated response but a large OutputBufferLength, and terminates the EA list early, check…
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 50.1 · 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
0.7%
Last analysed / modified upstream
In the Linux kernel, the following vulnerability has been resolved:
smb/client: fix out-of-bounds read in smb2_compound_op()
If a server sends a truncated response but a large OutputBufferLength, and terminates the EA list early, check_wsl_eas() returns success without validating that the entire OutputBufferLength fits within iov_len.
Then smb2_compound_op() does: memcpy(idata->wsl.eas, data[0], size[0]);
Where size[0] is OutputBufferLength. If iov_len is smaller than size[0], memcpy can read beyond the end of the rsp_iov allocation and leak adjacent kernel heap memory.
Linux >= 7449d736bbbd160c76b01b8fcdf72f58a8757d4b < dffb44b2e06a2908e249f0f93156fc987eee1d1cLinux >= ea41367b2a602f602ea6594fc4a310520dcc64f4 < 9b3af35645ff9cd334edc130249f9a2fb2bea25fLinux >= ea41367b2a602f602ea6594fc4a310520dcc64f4 < 512d33bc8ea4ea5c19728ee118715f4b1f4d1926Linux >= ea41367b2a602f602ea6594fc4a310520dcc64f4 < a16f70a71be4b5a4eccf39a9bf09b47285f4cb7cLinux >= ea41367b2a602f602ea6594fc4a310520dcc64f4 < 8d09328dfda089675e4c049f3f256064a1d1996bLinux >= 6.6.32 < 6.6.140Linux 6.9Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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