CVE-2026-23112Critical· 9.8▾ MidnightIn the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: add bounds checks in nvmet_tcp_build_pdu_iovec nvmet_tcp_build_pdu_iovec() could walk past cmd->req.sg when a PDU length or offset exceeds sg_cnt and then u…
▾ 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
0.5%
Last analysed / modified upstream
In the Linux kernel, the following vulnerability has been resolved:
nvmet-tcp: add bounds checks in nvmet_tcp_build_pdu_iovec
nvmet_tcp_build_pdu_iovec() could walk past cmd->req.sg when a PDU length or offset exceeds sg_cnt and then use bogus sg->length/offset values, leading to _copy_to_iter() GPF/KASAN. Guard sg_idx, remaining entries, and sg->length/offset before building the bvec.
Linux >= 872d26a391da92ed8f0c0f5cb5fef428067b7f30 < 0b9981751be14b59b4473383c731c833738aebdbLinux >= 872d26a391da92ed8f0c0f5cb5fef428067b7f30 < 42afe8ed8ad2de9c19457156244ef3e1eca94b5dLinux >= 872d26a391da92ed8f0c0f5cb5fef428067b7f30 < 1385be357e8acd09b36e026567f3a9d5c61139deLinux >= 872d26a391da92ed8f0c0f5cb5fef428067b7f30 < dca1a6ba0da9f472ef040525fab10fd9956db59fLinux >= 872d26a391da92ed8f0c0f5cb5fef428067b7f30 < 19672ae68d52ff75347ebe2420dde1b07adca09fLinux >= 872d26a391da92ed8f0c0f5cb5fef428067b7f30 < ab200d71553bdcf4de554a5985b05b2dd606bc57Linux >= 872d26a391da92ed8f0c0f5cb5fef428067b7f30 < 52a0a98549344ca20ad81a4176d68d28e3c05a5cLinux 5.0Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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