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CVE-2026-23112

9.8 critical SSVC exploitation: none Modified
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 6

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 2

  1. CwesCWE-787 → CWE-787, CWE-125NVD modified 2026-10-19 19:17
  2. First seenCVSS 9.8 · linuxNVD modified 2026-10-16 15:17

Affected (CPE criteria) 9

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.19:rc7:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.19:rc8:*:*:*:*:*:*

References 8