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OpenEulerCVELIST:CVE-2021-33656HistoryJul 18, 2022 - 2:44 p.m.
CVE-2021-33656
2022-07-1814:44:28
CWE-787
openEuler
www.cve.org
3
kernel
memory
bounds
malicious data
ioctl
font
cve-2021-33656
When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.
CNA Affected
[
{
"product": "openEuler:kernel",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "<5.10.127"
}
]
}
]References
www.openwall.com/lists/oss-security/2022/07/19/3
git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/releases/5.10.127/vt-drop-old-font-ioctls.patch
lists.debian.org/debian-lts-announce/2022/10/msg00000.html
www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-33656&packageName=kernel
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