# CVE-2026-53305: linux: In the Linux kernel, the following vulnerability has been resolved:  usb: typec: ps883x: Fix Oops at unbind  When try...

CVE-2026-53305 is fixed in linux on 1 platform by DEBIAN-CVE-2026-53305 (version 7.0.10-1), released June 27, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-53305
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0016
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 26, 2026

## Description

In the Linux kernel, the following vulnerability has been resolved:  usb: typec: ps883x: Fix Oops at unbind  When trying to unbind a device in order to bind to it vfio-platform as:    echo bc0000.geniqup  > /sys/bus/platform/devices/bc0000.geniqup/driver/unbind  I get the following Oops:  [  436.478639] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000020 [  436.487762] Mem abort info: [  436.490716]   ESR = 0x0000000096000004 [  436.494595]   EC = 0x25: DABT (current EL), IL = 32 bits [  436.500071]   SET = 0, FnV = 0 [  436.503250]   EA = 0, S1PTW = 0 [  436.506505]   FSC = 0x04: level 0 translation fault [  436.511533] Data abort info: [  436.514558]   ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 [  436.520215]   CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [  436.525436]   GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [  436.530918] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008861a9000 [  436.537554] [0000000000000020] pgd=0000000000000000, p4d=0000000000000000 [  436.544548] Internal error: Oops: 0000000096000004 [#1]  SMP [  436.550374] Modules linked in: [  436.553542] CPU: 2 UID: 0 PID: 671 Comm: bash Tainted: G        W           7.0.0-rc3-g56fcdd0911a5-dirty #2 PREEMPT [  436.564440] Tainted: [W]=WARN [  436.567515] Hardware name: LENOVO 91B6CTO1WW/3796, BIOS O6NKT3BA 05/02/2025 [  436.574675] pstate: 21400005 (nzCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) [  436.581841] pc : ps883x_retimer_remove+0x14/0x94 [  436.586605] lr : i2c_device_remove+0x28/0x84 [  436.591017] sp : ffff8000847137c0  That's because the ps883x_retimer_remove() retrieves the driver data from i2c_get_clientdata() which was never set at probe. So, add i2c_set_clientdata() at the end of the probe.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 14 | 7.0.10-1 | [DEBIAN-CVE-2026-53305](https://patchblox.com/security/data/fix/linux/debian-cve-2026-53305.md) | Jun 27, 2026 |

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Data as of 2026-11-08T19:12:23Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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