Description
In ksys_unshare of fork.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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Android | Android kernel | — |
Advisories 2
- WID-SEC-2026-4288 Android Patchday November 2026 (Google Android, Automotive OS and XR): Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 10, 2026
- NCSC-2026-0467 Kwetsbaarheden verholpen in Google Android en Samsung Mobile NCSC-NL (Netherlands) · Nov 5, 2026
References
- https://android.googlesource.com/kernel/common/+/13beada2dac38c2d7303f1700aa16fb5053b919d
- https://android.googlesource.com/kernel/common/+/efe16a3021b9f95eb1cb83e98d0d1db9bff94ce4
- https://android.googlesource.com/kernel/common/+/f7d26609785ce56170645d56f306db38e8ba277a
- https://android.googlesource.com/kernel/common/+/009c5006c969826d37a2c5fc2721a7bb20d72555
- https://source.android.com/docs/security/bulletin/2026/2026-11-01