Not yet scoredPublished Aug 10, 2026

CVE-2026-68410wifi: libertas: fix memory leak in helper_firmware_cb()

Updated under an hour ago (Oct 28, 2026, 2:23 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: fix memory leak in helper_firmware_cb() helper_firmware_cb() neglects to free the single-stage firmware image after a successful async load, leading to a memory leak in the USB firmware-download path. Fix this memory leak by calling release_firmware() immediately after lbs_fw_loaded() returns. The bug was first flagged by an experimental analysis tool we are developing for kernel memory-management bugs while analyzing v6.13-rc1. The tool is still under development and is not yet publicly available. Manual inspection confirms that the bug is still present in the current wireless tree. An x86_64 allyesconfig build showed no new warnings. As we do not have compatible Libertas USB hardware for exercising this firmware-download path, no runtime testing was able to be performed.

CVSS: Not yet scored
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: Received
Record last updated: Aug 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 1dfba3060fe7ee03ccec25a91d35085142dfc295 before 6c1f54a04813676c5a2150d99331c8d21f199374; from 1dfba3060fe7ee03ccec25a91d35085142dfc295 before 7f28722b3e4e0c8d49c859fea4a9b1fa13b5ae06; from 1dfba3060fe7ee03ccec25a91d35085142dfc295 before ce829286f4935f1eb6b5dcb64da02910ce149c76; from 1dfba3060fe7ee03ccec25a91d35085142dfc295 before d497b7566e74920acfe283dd6b2cbf1682890796; from 1dfba3060fe7ee03ccec25a91d35085142dfc295 before eaeb1d74a47fc4864f2c754c0b9d654a9b7dc55c; from 1dfba3060fe7ee03ccec25a91d35085142dfc295 before 6cda91bbb8dc3d22ef0323008a12dcf73a5129da; from 1dfba3060fe7ee03ccec25a91d35085142dfc295 before 644640cde2fb216e6567de5eee780a38dbc95928; from 1dfba3060fe7ee03ccec25a91d35085142dfc295 before 63c2391deefb31e1b801b7f32bd502ca4808639b	CNA record

References

References

https://git.kernel.org/stable/c/6c1f54a04813676c5a2150d99331c8d21f199374
https://git.kernel.org/stable/c/7f28722b3e4e0c8d49c859fea4a9b1fa13b5ae06
https://git.kernel.org/stable/c/ce829286f4935f1eb6b5dcb64da02910ce149c76
https://git.kernel.org/stable/c/d497b7566e74920acfe283dd6b2cbf1682890796
https://git.kernel.org/stable/c/eaeb1d74a47fc4864f2c754c0b9d654a9b7dc55c
https://git.kernel.org/stable/c/6cda91bbb8dc3d22ef0323008a12dcf73a5129da
https://git.kernel.org/stable/c/644640cde2fb216e6567de5eee780a38dbc95928
https://git.kernel.org/stable/c/63c2391deefb31e1b801b7f32bd502ca4808639b

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.