CVE-2021-33655

תיאור (מקור, אנגלית)

When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.

מדדים

CVSS 3.1

6.7 (MEDIUM) מקור הציון: NVD CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS — סבירות ניצול

0% (אחוזון 000) נכון ל-19/10/2026

CWE

CWE-787

מוצרים מושפעים

linux: linux kernel; debian: debian linux

קישורים

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=‮… Mailing ListPatchVendor Advisory
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=‮… Mailing ListPatchVendor Advisory
• http://www.openwall.com/lists/oss-security/2022/07/19/2 Mailing ListPatchThird Party Advisory
• http://www.openwall.com/lists/oss-security/2022/07/19/2 Mailing ListPatchThird Party Advisory
• https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html Mailing ListThird Party Advisory
• https://www.debian.org/security/2022/dsa-5191 Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html Mailing ListThird Party Advisory
• https://www.debian.org/security/2022/dsa-5191 Third Party Advisory
• https://cert-portal.siemens.com/productcert/html/ssa-794697.html