usb: cdns3: gadget: Use-after-free during failed initialization and exit of cdnsp gadget (Linux Linux)

CVE-2025-40314
Not available

At a glance

Source
NVD
EPSS
EPSS 0.19 % · percentile 9 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Deferred

Description

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: gadget: Use-after-free during failed initialization and exit of cdnsp gadget In the __cdnsp_gadget_init() and cdnsp_gadget_exit() functions, the gadget structure (pdev->gadget) was freed before its endpoints. The endpoints are linked via the ep_list in the gadget structure. Freeing the gadget first leaves dangling pointers in the endpoint list. When the endpoints are subsequently freed, this results in a use-after-free. Fix: By separating the usb_del_gadget_udc() operation into distinct "del" and "put" steps, cdnsp_gadget_free_endpoints() can be executed prior to the final release of the gadget structure with usb_put_gadget(). A patch similar to bb9c74a5bd14("usb: dwc3: gadget: Free gadget structure only after freeing endpoints").

References

European references

CERT-FR advisories

Affected products

ProductVersions
Linux · Linuxaffected 8bc1901ca7b07d864fca11461b3875b31f949765 < 0cf9a50af91fbdac3849f8d950e883a3eaa3ecea ; affected 8bc1901ca7b07d864fca11461b3875b31f949765 < 37158ce6ba964b62d1e3eebd11f03c6900a52dd1 ; affected 8bc1901ca7b07d864fca11461b3875b31f949765 < ea37884097a0931abb8e11e40eacfb25e9fdb5e9 ; affected 8bc1901ca7b07d864fca11461b3875b31f949765 < 9c52f01429c377a2d32cafc977465f37b5384f77 ; affected 8bc1901ca7b07d864fca11461b3875b31f949765 < fdf573c517627a96f5040f988e9b21267806be5c ; affected 8bc1901ca7b07d864fca11461b3875b31f949765 < 87c5ff5615dc0a37167e8faf3adeeddc6f1344a3
Linux · Linuxaffected 5.3 ; unaffected 0 < 5.3 ; unaffected 5.15.197 ≤ 5.15.* ; unaffected 6.1.159 ≤ 6.1.* ; unaffected 6.6.117 ≤ 6.6.* ; unaffected 6.12.58 ≤ 6.12.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD