CVE-2021-22600

CVE Details

Release Date:2022-01-26
Impact:None What is this?

Description


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

See more information about CVE-2021-22600 from MITRE CVE dictionary and NIST NVD


NOTE: The following CVSS metrics and score provided are preliminary and subject to review.


CVSS v3 metrics

Base Score: 7.8
Vector String: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version: 3.0
Attack Vector: Local
Attack Complexity: Low
Privileges Required: Low
User Interaction: None
Scope: Unchanged
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Errata information


PlatformErrataRelease Date
Oracle Linux version 7 (kernel-uek)ELSA-2022-92732022-04-11
Oracle Linux version 7 (kernel-uek-container)ELSA-2022-92742022-04-11
Oracle Linux version 8 (kernel-uek)ELSA-2022-92732022-04-11
Oracle Linux version 8 (kernel-uek-container)ELSA-2022-92742022-04-11


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