When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.
References
Link | Resource |
---|---|
http://www.openwall.com/lists/oss-security/2022/07/19/3 | Mailing List Patch Third Party Advisory |
https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/releases/5.10.127/vt-drop-old-font-ioctls.patch | Patch Third Party Advisory |
https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html | Mailing List Third Party Advisory |
https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-33656&packageName=kernel | Third Party Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: openEuler
Published: 2022-07-18T14:44:28
Updated: 2022-10-02T18:06:13
Reserved: 2021-05-28T00:00:00
Link: CVE-2021-33656
JSON object: View
NVD Information
Status : Analyzed
Published: 2022-07-18T15:15:08.043
Modified: 2022-10-29T02:52:00.693
Link: CVE-2021-33656
JSON object: View
Redhat Information
No data.
CWE