Linux Kernel Privilege Escalation Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 11/04/2022. Patch affected systems as an emergency.
| Package | Affected versions | Patched versions |
|---|---|---|
| Kernel | Versions not published yet (product named by CISA KEV) | |
A double free bug in packet_set_ring() in net/packet/af_packet.c can be exploited by a local user through crafted syscalls to escalate privileges or deny service. We recommend upgrading kernel past the effected versions or rebuilding past ec6af094ea28f0f2dda1a6a33b14cd57e36a9755
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