CVE-2021-33655CWE-787

CVE-2021-33655

Medium · published July 18, 2022

CVSS v3.1
6.7
EPSS
0%
Percentile
23.2
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
6.7 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00315 · 23.2th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2022-07-18T19:15Z
Affected products (8)
ProductVersionsFixed in
linux/linux_kernel< 5.195.19
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
debian/debian_linuxall versions—
debian/debian_linuxall versions—
References (9)
http://www.openwall.com/lists/oss-security/2022/07/19/2 · [email protected]https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4 · [email protected]https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html · [email protected]https://www.debian.org/security/2022/dsa-5191 · [email protected]http://www.openwall.com/lists/oss-security/2022/07/19/2 · af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4 · af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html · af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2022/dsa-5191 · af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/html/ssa-794697.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
EPSS history
Timeline
  • 18 JUL 14:45Z
    When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds
    cvelistv5