CVE-2026-46203— spi: cadence-quadspi: fix unclocked access on unbind
Possible ATT&CK Techniques 1AI
T1564.004 · NTFS File AttributesAffected Version Matrix 6
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-46203
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
spi: cadence-quadspi: fix unclocked access on unbind
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: spi: cadence-quadspi: fix unclocked access on unbind Make sure that the controller is runtime resumed before disabling it during driver unbind to avoid an unclocked register access. This issue was flagged by Sashiko when reviewing a controller deregistration fix.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于spi cadence-quadspi驱动在解除绑定时未确保控制器处于运行时唤醒状态，可能导致未时钟访问寄存器。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-46203
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-46203
请登录查看更多情报信息。
Patches & Fixes for CVE-2026-46203 (2)
Same Patch Batch · Linux · 2026-05-28 · 138 CVEs total
| CVE-2026-46189 | RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path | |
| CVE-2026-46207 | vsock/virtio: fix empty payload in tap skb for non-linear buffers | |
| CVE-2026-46206 | batman-adv: reject new tp_meter sessions during teardown | |
| CVE-2026-46205 | staging: media: atomisp: Disallow all private IOCTLs | |
| CVE-2026-46204 | drm/amdgpu/vcn4: Prevent OOB reads when parsing IB | |
| CVE-2026-46202 | HID: appletb-kbd: run inactivity autodim from workqueues | |
| CVE-2026-46201 | drm/xe: Fix dma-buf attachment leak in xe_gem_prime_import() | |
| CVE-2026-46200 | spi: mpc52xx: fix controller deregistration | |
| CVE-2026-46199 | drm/amdgpu/vcn4: Prevent OOB reads when parsing dec msg | |
| CVE-2026-46198 | batman-adv: fix integer overflow on buff_pos | |
| CVE-2026-46197 | drm/amdkfd: validate SVM ioctl nattr against buffer size | |
| CVE-2026-46196 | tracepoint: balance regfunc() on func_add() failure in tracepoint_add_func() | |
| CVE-2026-46195 | smb: client: validate dacloffset before building DACL pointers | |
| CVE-2026-46193 | xfrm: ah: account for ESN high bits in async callbacks | |
| CVE-2026-46194 | f2fs: fix node_cnt race between extent node destroy and writeback | |
| CVE-2026-46192 | spi: microchip-core-qspi: don't attempt to transmit during emulated read-only dual/quad op | |
| CVE-2026-46191 | fbcon: Avoid OOB font access if console rotation fails | |
| CVE-2026-46190 | mtd: spi-nor: debugfs: fix out-of-bounds read in spi_nor_params_show() | |
| CVE-2026-46179 | ASoC: SOF: Don't allow pointer operations on unconfigured streams | |
| CVE-2026-46177 | ipmi: Add limits to event and receive message requests |
Showing top 20 of 138 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-46241
spi: mpc52xx: fix use-after-free on registration failure - CVE-2026-46239
media: i2c: ov5647: Fix runtime PM refcount leak in s_ctrl - CVE-2026-46240
media: iris: Fix use-after-free in iris_release_internal_buf - CVE-2026-46238
batman-adv: stop caching unowned originator pointers in BAT - CVE-2026-46237
drm/amdgpu/vcn3: Avoid overflow on msg bound check
Same vendor: Linux
- CVE-2026-46241
spi: mpc52xx: fix use-after-free on registration failure - CVE-2026-46239
media: i2c: ov5647: Fix runtime PM refcount leak in s_ctrl - CVE-2026-46240
media: iris: Fix use-after-free in iris_release_internal_buf - CVE-2026-46238
batman-adv: stop caching unowned originator pointers in BAT - CVE-2026-46237
drm/amdgpu/vcn3: Avoid overflow on msg bound check
V. Comments for CVE-2026-46203
No comments yet