linux: In mmc_blk_read_single of block.c, there is a possible way to read kernel heap memory due to uninitialized data
CVE-2022-20008 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-20008, released May 10, 2022. It is not reported as exploited. Patch Radar priority: Routine.
In mmc_blk_read_single of block.c, there is a possible way to read kernel heap memory due to uninitialized data. This could lead to local information disclosure if reading from an SD card that triggers errors, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-216481035References: Upstream kernel
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 5.16.11-1 | DEBIAN-CVE-2022-20008 | May 10, 2022 |
| linux · Debian 13.5 (trixie) | 5.16.11-1 | DEBIAN-CVE-2022-20008 | May 10, 2022 |
| linux · Debian 14 | 5.16.11-1 | DEBIAN-CVE-2022-20008 | May 10, 2022 |
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