CVE-2026-53402

🗓️ 19 Jul 2026 12:16:51Reported by [email protected]Type

Kernel fix: fbcon_do_set_font error path rolls back hi_font mask and screen buffer to prevent out-of-bounds reads.

Reporter	Title	Published	Views	Family All 43
ATTACKERKB	CVE-2026-53402	19 Jul 202612:02	–	attackerkb
Chainguard	CVE-2026-53402 vulnerabilities	1 Aug 202602:17	–	cgr
Circl	CVE-2026-53402	24 Jul 202613:25	–	circl
CVE	CVE-2026-53402	19 Jul 202612:02	–	cve
Cvelist	CVE-2026-53402 fbdev: fbcon: fix out-of-bounds read in err_out of fbcon_do_set_font()	19 Jul 202612:02	–	cvelist
Debian	[SECURITY] [DLA 4717-1] linux security update	5 Aug 202608:03	–	debian
Debian	[SECURITY] [DLA 4720-1] linux security update	5 Aug 202616:10	–	debian
Debian	[SECURITY] [DLA 4723-1] linux-6.1 security update	7 Aug 202608:04	–	debian
Debian	[SECURITY] [DLA 4724-1] linux-6.12 new package	7 Aug 202609:29	–	debian
Debian	[SECURITY] [DSA 6393-1] linux security update	21 Jul 202613:11	–	debian

NVD

Node

linux linux_kernelRange5.10.249–5.10.261

linux linux_kernelRange5.15.64–5.15.212

linux linux_kernelRange5.19.6–6.0

linux linux_kernelRange6.0.1–6.1.178

linux linux_kernelRange6.2–6.6.145

linux linux_kernelRange6.7–6.12.96

linux linux_kernelRange6.13–6.18.39

linux linux_kernelRange6.19–7.1.3

Source	Link
git	www.git.kernel.org/stable/c/ac562193c36696513ae196171892e9338475c4bc
git	www.git.kernel.org/stable/c/39815715cbcfabb16fc8c5f4a23deeda20f5df62
git	www.git.kernel.org/stable/c/3618a4c5b2591cfa83efe74f5b18c2d02b35c3f5
git	www.git.kernel.org/stable/c/8fdc8c2057eea08d40ce2c8eed41ff9e451c65c2
git	www.git.kernel.org/stable/c/076b1aa65f77a49bce5a48a4a55a397cfcafa2b8
git	www.git.kernel.org/stable/c/cb016bcb40c81e7b19c4ae6143babb366dae8e20
git	www.git.kernel.org/stable/c/a7a526fbc847f07ad3a503c7382189be5ab68574
git	www.git.kernel.org/stable/c/b5bb2c696e140c399cb874def2feedf61dee27d6

30 Jul 2026 17:42Current

CVSS 3.17.1

EPSS0.00135