CVE-2026-64440 staging: rtl8723bs: fix OOB write in HT_caps_handler()

🗓️ 25 Jul 2026 08:51:13Reported by GoogleType

osv

osv🔗 osv.dev👁 2 Views

Staging rtl8723bs fixes out-of-bounds write in HT_caps_handler by truncating length to HT_cap size.

Reporter	Title	Published	Views	Family All 12
ATTACKERKB	CVE-2026-64440	25 Jul 202608:51	–	attackerkb
Circl	CVE-2026-64440	25 Jul 202616:29	–	circl
CVE	CVE-2026-64440	25 Jul 202608:51	–	cve
Cvelist	CVE-2026-64440 staging: rtl8723bs: fix OOB write in HT_caps_handler()	25 Jul 202608:51	–	cvelist
Debian CVE	CVE-2026-64440	25 Jul 202608:51	–	debiancve
EUVD	EUVD-2026-48784	25 Jul 202608:51	–	euvd
NVD	CVE-2026-64440	25 Jul 202610:17	–	nvd
OSV	DEBIAN-CVE-2026-64440	25 Jul 202610:17	–	osv
OSV	ECHO-78B5-AF3D-5D2A	26 Jul 202602:26	–	osv
Positive Technologies	PT-2026-64661	25 Jul 202600:00	–	ptsecurity

Source	Link
git	www.git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
git	www.git.kernel.org/stable/c/225b6d3fc7e99ac3d20b6c861d1e47d24e7ea31d
git	www.git.kernel.org/stable/c/37f642d47c3648a707df3ceb092eee1adffbfd28
git	www.git.kernel.org/stable/c/6f91621fc45025ad3c0be796b70e6e4cee22fc69
git	www.git.kernel.org/stable/c/8c872b47c7fc32e95e0da1db7512388794adcd69
git	www.git.kernel.org/stable/c/918537a0fbed85aab61fa28ad75e6279070610c9
git	www.git.kernel.org/stable/c/bb3b942da4123b55d1cacf19d1a7d5ba15dbf83a
git	www.git.kernel.org/stable/c/f8001e1a516ba3b495728c65b61f799cbfad6bd0
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64440.json
nvd	www.nvd.nist.gov/vuln/detail/CVE-2026-64440

26 Jul 2026 05:17Current

5.7Medium risk

Vulners AI Score5.7

EPSS0.00225

rtl8723bs HT capabilities out of bounds vulnerability fix linux kernel wireless security