Answer in brief
CVE-2021-47644 records a Medium severity (CVSS 5.5) vulnerability in media: staging: media: zoran: move videodev alloc. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic), Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic), Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <8dce4b265a5357731058f69645840dabc718c687 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <bd01629315ffd5b63da91d0bd529a77d30e55028 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <ff3357bffd9fb78f59762d8955afc7382a279079 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <c1ba65100a359fe28cfe37e09e10c99f247cbf1e || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <1e501ec38796f43e995731d1bcd4173cb1ccfce0 | 8dce4b265a5357731058f69645840dabc718c687, bd01629315ffd5b63da91d0bd529a77d30e55028, ff3357bffd9fb78f59762d8955afc7382a279079, c1ba65100a359fe28cfe37e09e10c99f247cbf1e, 1e501ec38796f43e995731d1bcd4173cb1ccfce0 |
| Linux/Linuxgeneric | 2.6.12 | Not reported |
| Linux/Linuxgeneric | >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <8dce4b265a5357731058f69645840dabc718c687 || >=61c3b19f7b9eb7c7838fd35f86566230fefd6550 <bd01629315ffd5b63da91d0bd529a77d30e55028 || >=61c3b19f7b9eb7c7838fd35f86566230fefd6550 <ff3357bffd9fb78f59762d8955afc7382a279079 || >=61c3b19f7b9eb7c7838fd35f86566230fefd6550 <c1ba65100a359fe28cfe37e09e10c99f247cbf1e || >=61c3b19f7b9eb7c7838fd35f86566230fefd6550 <1e501ec38796f43e995731d1bcd4173cb1ccfce0 || >=61c3b19f7b9eb7c7838fd35f86566230fefd6550 <82e3a496eb56da0b9f29fdc5b63cedb3289e91de | 8dce4b265a5357731058f69645840dabc718c687, bd01629315ffd5b63da91d0bd529a77d30e55028, ff3357bffd9fb78f59762d8955afc7382a279079, c1ba65100a359fe28cfe37e09e10c99f247cbf1e, 1e501ec38796f43e995731d1bcd4173cb1ccfce0, 82e3a496eb56da0b9f29fdc5b63cedb3289e91de |
| Linux/Linuxgeneric | 2.6.12 || 5.10 | Not reported |
Published upstream
Feb 26, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 26, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 11, 2026
In the Linux kernel, the following vulnerability has been resolved: media: staging: media: zoran: move videodev alloc Move some code out of zr36057_init() and create new functions for handling zr->video_dev. This permit to ease code reading and fix a zr->video_dev memory leak.
Quoted source text, attributed separately from HOL analysis.