oss-security - CVE-2021-33655: Linux kernel: When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.(5.18 5.19.0-rc1)

Date: Tue, 19 Jul 2022 02:10:42 +0000
From: "Weigang (Jimmy)" <weigang12@...wei.com>
To: "oss-security@...ts.openwall.com" <oss-security@...ts.openwall.com>
CC: "openeuler-security@...neuler.org" <openeuler-security@...neuler.org>
Subject: CVE-2021-33655: Linux kernel: When sending malicous data to kernel by ioctl cmd
 FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.(5.18 5.19.0-rc1)

Fix has been released by Linux kernel upstream in 5.19-rc7: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4.

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