linux: In gre_handle_offloads of ip_gre.c, there is a possible page fault due to an invalid memory access
CVE-2021-39633 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-39633, released January 14, 2022. It is not reported as exploited. Patch Radar priority: Routine.
In gre_handle_offloads of ip_gre.c, there is a possible page fault due to an invalid memory access. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-150694665References: Upstream kernel
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 5.14.6-1 | DEBIAN-CVE-2021-39633 | Jan 14, 2022 |
| linux · Debian 13.5 (trixie) | 5.14.6-1 | DEBIAN-CVE-2021-39633 | Jan 14, 2022 |
| linux · Debian 14 | 5.14.6-1 | DEBIAN-CVE-2021-39633 | Jan 14, 2022 |
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