linux: In ion_dma_buf_end_cpu_access and related functions of ion.c, there is a possible way to corrupt memory due to a use...
CVE-2021-0929 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-0929, released December 15, 2021. It is not reported as exploited. Patch Radar priority: High.
In ion_dma_buf_end_cpu_access and related functions of ion.c, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-187527909References: Upstream kernel
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 5.6.4-1 | DEBIAN-CVE-2021-0929 | Dec 15, 2021 |
| linux · Debian 13.5 (trixie) | 5.6.4-1 | DEBIAN-CVE-2021-0929 | Dec 15, 2021 |
| linux · Debian 14 | 5.6.4-1 | DEBIAN-CVE-2021-0929 | Dec 15, 2021 |
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