CVE-2026-23112
criticalIn 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() cou…
Vendor / product: Linux — linux kernel
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.
CVSS
9.8
9.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-02-13 14:16
Modified: 2026-10-19 19:17
NVD status: Modified
Last synced 2 days ago
Verified against the source API 2026-10-27 07:07 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
linux / linux_kernel ≥5.0 <5.10.250, ≥5.11 <5.15.200, ≥5.16 <6.1.163, ≥6.2 <6.6.124, ≥6.7 <6.12.70, ≥6.13 <6.18.10
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Patch / mitigation: https://git.kernel.org/stable/c/1385be357e8acd09b36e026567f3a9d5c61139de
Patch / mitigation: https://git.kernel.org/stable/c/19672ae68d52ff75347ebe2420dde1b07adca09f
Patch / mitigation: https://git.kernel.org/stable/c/42afe8ed8ad2de9c19457156244ef3e1eca94b5d
Patch / mitigation: https://git.kernel.org/stable/c/52a0a98549344ca20ad81a4176d68d28e3c05a5c
Patch / mitigation: https://git.kernel.org/stable/c/ab200d71553bdcf4de554a5985b05b2dd606bc57
Patch / mitigation: https://git.kernel.org/stable/c/dca1a6ba0da9f472ef040525fab10fd9956db59f
References
- https://git.kernel.org/stable/c/0b9981751be14b59b4473383c731c833738aebdb 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
- https://cert-portal.siemens.com/productcert/html/ssa-253495.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:07 UTC · record ↗