Not yet scoredPublished Dec 30, 2025

CVE-2023-54315powerpc/powernv/sriov: perform null check on iov before dereferencing iov

Updated under an hour ago (Oct 28, 2026, 4:40 AM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv/sriov: perform null check on iov before dereferencing iov Currently pointer iov is being dereferenced before the null check of iov which can lead to null pointer dereference errors. Fix this by moving the iov null check before the dereferencing. Detected using cppcheck static analysis: linux/arch/powerpc/platforms/powernv/pci-sriov.c:597:12: warning: Either the condition '!iov' is redundant or there is possible null pointer dereference: iov. [nullPointerRedundantCheck] num_vfs = iov->num_vfs; ^

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Deferred
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	052da31d45fc71238ea8bed7e9a84648a1ee0bf3 builds before 07c19c0ad4b07f4b598da369714de028f6a6a323; from 052da31d45fc71238ea8bed7e9a84648a1ee0bf3 before d3a0d96c16e5f8d55e2c70163abda3c7c8328106; from 052da31d45fc71238ea8bed7e9a84648a1ee0bf3 before d9a1aaea856002cb58dfb7c8d8770400fa1a0299; from 052da31d45fc71238ea8bed7e9a84648a1ee0bf3 before 6314465b88072a6b6f3b3c12a7898abe09095f95; from 052da31d45fc71238ea8bed7e9a84648a1ee0bf3 before 72990144e17e5e2cb378f1d9b10530b85b9bc382; from 052da31d45fc71238ea8bed7e9a84648a1ee0bf3 before f4f913c980bc6abe0ccfe88fe3909c125afe4a2d	CNA record

References

References

https://git.kernel.org/stable/c/07c19c0ad4b07f4b598da369714de028f6a6a323
https://git.kernel.org/stable/c/d3a0d96c16e5f8d55e2c70163abda3c7c8328106
https://git.kernel.org/stable/c/d9a1aaea856002cb58dfb7c8d8770400fa1a0299
https://git.kernel.org/stable/c/6314465b88072a6b6f3b3c12a7898abe09095f95
https://git.kernel.org/stable/c/72990144e17e5e2cb378f1d9b10530b85b9bc382
https://git.kernel.org/stable/c/f4f913c980bc6abe0ccfe88fe3909c125afe4a2d

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.