CVE-2026-46192
Last modified
CVE-2026-46192 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: spi: microchip-core-qspi: don't attempt to transmit during emulated read-only dual/quad operations The core will deal with reads by creating clock cycles itself, there's no need to generate clock cycles by transmitting garbage data at the driver level. Further, transmitting garbage data just bricks the transfer since QSPI doesn't have a dedicated master-out line like MOSI in regular SPI. EPSS estimates a 0.12% chance of exploitation in the next 30 days.
Description
In the Linux kernel, the following vulnerability has been resolved: spi: microchip-core-qspi: don't attempt to transmit during emulated read-only dual/quad operations The core will deal with reads by creating clock cycles itself, there's no need to generate clock cycles by transmitting garbage data at the driver level. Further, transmitting garbage data just bricks the transfer since QSPI doesn't have a dedicated master-out line like MOSI in regular SPI. I'm not entirely sure if the transfer is bricked because of the garbage data being transmitted on the bus or because the core loses track of whether it is supposed to be sending or receiving data.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 6.17, < 6.18.30 | — |
| Linux | Linux Kernel | >= 6.19, < 7.0.7 | — |
| Linux | Linux Kernel | 7.1 | Rc1 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-46192?
How severe is CVE-2026-46192?
How do I fix CVE-2026-46192?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-46187In the Linux kernel, the following vulnerability has been re…4.7
- CVE-2026-46188In the Linux kernel, the following vulnerability has been re…5.5
- CVE-2026-46189In the Linux kernel, the following vulnerability has been re…7.8
- CVE-2026-4619Path Traversal vulnerability in NEC Platforms, Ltd. Aterm Se…9.8
- CVE-2026-46190In the Linux kernel, the following vulnerability has been re…7.1
- CVE-2026-46191In the Linux kernel, the following vulnerability has been re…7.1
- CVE-2026-46193In the Linux kernel, the following vulnerability has been re…5.5
- CVE-2026-46194Rejected reason: This CVE ID has been rejected or withdrawn …
- CVE-2026-46195In the Linux kernel, the following vulnerability has been re…9.8
- CVE-2026-46196In the Linux kernel, the following vulnerability has been re…5.5
- CVE-2026-46197In the Linux kernel, the following vulnerability has been re…7.8
- CVE-2026-46198In the Linux kernel, the following vulnerability has been re…8.8
Are you affected by CVE-2026-46192?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST