Description
When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-3131-1 | linux security update |
EUVD |
EUVD-2021-20333 | When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds. |
Ubuntu USN |
USN-5580-1 | Linux kernel (AWS) vulnerabilities |
Ubuntu USN |
USN-5589-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-5591-1 | Linux kernel vulnerability |
Ubuntu USN |
USN-5591-2 | Linux kernel (HWE) vulnerability |
Ubuntu USN |
USN-5591-3 | Linux kernel vulnerability |
Ubuntu USN |
USN-5591-4 | Linux kernel (AWS) vulnerability |
Ubuntu USN |
USN-5592-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-5595-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-5597-1 | Linux kernel (Oracle) vulnerability |
Ubuntu USN |
USN-5598-1 | Linux kernel (Oracle) vulnerability |
Ubuntu USN |
USN-5600-1 | Linux kernel (HWE) vulnerabilities |
Ubuntu USN |
USN-5603-1 | Linux kernel (Raspberry Pi) vulnerabilities |
Ubuntu USN |
USN-5605-1 | Linux kernel (Azure CVM) vulnerabilities |
Ubuntu USN |
USN-5650-1 | Linux kernel vulnerabilities |
References
History
Wed, 02 Apr 2025 19:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Openatom
Openatom openeuler |
|
| CPEs | cpe:2.3:o:huawei:openeuler:20.03:sp1:*:*:lts:*:*:* cpe:2.3:o:huawei:openeuler:20.03:sp3:*:*:lts:*:*:* |
cpe:2.3:o:openatom:openeuler:20.03:-:*:*:lts:*:*:* cpe:2.3:o:openatom:openeuler:20.03:sp1:*:*:lts:*:*:* cpe:2.3:o:openatom:openeuler:20.03:sp3:*:*:lts:*:*:* |
| Vendors & Products |
Huawei
Huawei openeuler |
Openatom
Openatom openeuler |
Status: PUBLISHED
Assigner: openEuler
Published:
Updated: 2024-08-03T23:58:21.558Z
Reserved: 2021-05-28T00:00:00.000Z
Link: CVE-2021-33656
No data.
Status : Modified
Published: 2022-07-18T15:15:08.043
Modified: 2025-04-02T18:33:53.340
Link: CVE-2021-33656
OpenCVE Enrichment
No data.
Weaknesses
Debian DLA
EUVD
Ubuntu USN