linux: In ep_loop_check_proc of eventpoll.c, there is a possible way to corrupt memory due to a use after free
CVE-2021-1048 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-1048, released December 15, 2021. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on May 23, 2022. Patch Radar priority: Patch now.
In ep_loop_check_proc of eventpoll.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-204573007References: Upstream kernel
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 5.8.10-1 | DEBIAN-CVE-2021-1048 | Dec 15, 2021 |
| linux · Debian 13.5 (trixie) | 5.8.10-1 | DEBIAN-CVE-2021-1048 | Dec 15, 2021 |
| linux · Debian 14 | 5.8.10-1 | DEBIAN-CVE-2021-1048 | Dec 15, 2021 |
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