When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.
Metrics
Affected Vendors & Products
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 |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
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 |
Projects
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Status: PUBLISHED
Assigner: openEuler
Published:
Updated: 2024-08-03T23:58:21.558Z
Reserved: 2021-05-28T00:00:00
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