linux: In multiple functions of binder.c, there is a possible memory corruption due to a use after free
CVE-2023-21255 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-21255, released July 13, 2023. It is not reported as exploited. Patch Radar priority: High.
In multiple functions of binder.c, there is a possible memory corruption 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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 6.1.37-1 | DEBIAN-CVE-2023-21255 | Jul 13, 2023 |
| linux · Debian 13.5 (trixie) | 6.3.7-1 | DEBIAN-CVE-2023-21255 | Jul 13, 2023 |
| linux · Debian 14 | 6.3.7-1 | DEBIAN-CVE-2023-21255 | Jul 13, 2023 |
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