CVE-2026-23291nfc: pn533: properly drop the usb interface reference on disconnect
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: nfc: pn533: properly drop the usb interface reference on disconnect When the device is disconnected from the driver, there is a "dangling" reference count on the usb interface that was grabbed in the probe callback. Fix this up by properly dropping the reference after we are done with it.
- CVSS
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- 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
- Modified
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from c46ee38620a2aa2b25b16bc9738ace80dbff76a4 before 6645b030b0c1fc5bf338bffb0044238f24b2f770; from c46ee38620a2aa2b25b16bc9738ace80dbff76a4 before 5be8aa2bcfb53158436182db8dee9d0b8e5901e6; from c46ee38620a2aa2b25b16bc9738ace80dbff76a4 before 7398d6570501edc55a50ece820f369ab3c1df2e7; from c46ee38620a2aa2b25b16bc9738ace80dbff76a4 before d1f6d20b3c2642ec85ce6ea5da7155746c31c6d0; from c46ee38620a2aa2b25b16bc9738ace80dbff76a4 before 7ff14eb070f0efecb2606f8d7aa01b77d188e886; from c46ee38620a2aa2b25b16bc9738ace80dbff76a4 before 00477cab053dc4816b99141d8fcca7a479cfebeb; from c46ee38620a2aa2b25b16bc9738ace80dbff76a4 before 4551d6cea00224ab65a0ef35e4e6da0e9c0a2d74; from c46ee38620a2aa2b25b16bc9738ace80dbff76a4 before 12133a483dfa832241fbbf09321109a0ea8a520e | CNA record |
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem siemens:simatic_s7_1500_tm_mfp_gnu_linux_subsystem (from the name) | all versions | CISA ADP |
linux linux_kernel linux:linux_kernel | from 3.1 before 5.10.253; from 5.11 before 5.15.203; from 5.16 before 6.1.167; from 6.2 before 6.6.130; from 6.7 before 6.12.77; from 6.13 before 6.18.17; from 6.19 before 6.19.7; 7.0 | NVD |
References
- https://git.kernel.org/stable/c/6645b030b0c1fc5bf338bffb0044238f24b2f770patch
- https://git.kernel.org/stable/c/5be8aa2bcfb53158436182db8dee9d0b8e5901e6patch
- https://git.kernel.org/stable/c/7398d6570501edc55a50ece820f369ab3c1df2e7patch
- https://git.kernel.org/stable/c/d1f6d20b3c2642ec85ce6ea5da7155746c31c6d0patch
- https://git.kernel.org/stable/c/7ff14eb070f0efecb2606f8d7aa01b77d188e886patch
- https://git.kernel.org/stable/c/00477cab053dc4816b99141d8fcca7a479cfebebpatch
- https://git.kernel.org/stable/c/4551d6cea00224ab65a0ef35e4e6da0e9c0a2d74patch
- https://git.kernel.org/stable/c/12133a483dfa832241fbbf09321109a0ea8a520epatch
- https://cert-portal.siemens.com/productcert/html/ssa-784472.html
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.