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CVE-2026-23112

CRITICAL

9.8

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.19.8

SeveridadeCRITICAL

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado2/13/2026

Ultima modificacao4/3/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

linux:linux_kernel

Fraquezas (CWE)

CWE-787

Referencias

https://git.kernel.org/stable/c/043b4307a99f902697349128fde93b2ddde4686c(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/1385be357e8acd09b36e026567f3a9d5c61139de(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/19672ae68d52ff75347ebe2420dde1b07adca09f(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/42afe8ed8ad2de9c19457156244ef3e1eca94b5d(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/52a0a98549344ca20ad81a4176d68d28e3c05a5c(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/ab200d71553bdcf4de554a5985b05b2dd606bc57(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/dca1a6ba0da9f472ef040525fab10fd9956db59f(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

Correlacoes IOC

Sem correlacoes registradas

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