CVE-2021-22600

MEDIUM6.6Published on January 26, 2022

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

Actively exploited

  • In the CISA exploited-vulnerabilities catalogue since Apr 11, 2022
  • US federal agencies must remediate it by May 2, 2022 (BOD 22-01)
  • First attack observed 39 days after disclosure

Apply updates per vendor instructions.

Source: CISA KEV · Feb 6, 2024 Jan 17, 2023 Apr 11, 2022 Mar 7, 2022

CVSS score6.6 / 10CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:H
Weakness type (CWE)CWE-415, CWE-415
Vendorsdebian, netapp, linux

Affected products

VendorsProdottoVersioni
netapp8300 firmware-
netapp8300-
netapp8700 firmware-
netapp8700-
netappa400 firmware-
netappa400-
netappc400 firmware-
netappc400-
linuxlinux kernel< 4.14.259
debiandebian linux9.0
netapph410c firmware-
netapph410c-
netapph300s firmware-
netapph300s-
netapph500s firmware-
netapph500s-
netapph700s firmware-
netapph700s-
netapph410s firmware-
netapph410s-

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This product uses the NVD API but is not endorsed or certified by the NVD.

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