CVE-2021-22600
MEDIUM KEVLinux Kernel - Privilege Escalation
Title source: llmDescription
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
Exploits (3)
References (5)
Scores
CVSS v3
6.6
EPSS
0.0014
EPSS Percentile
34.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:H
Exploitation Intel
CISA KEV
2022-04-11
VulnCheck KEV
2022-03-07
InTheWild.io
2022-03-07
ENISA EUVD
EUVD-2021-9736
Classification
CWE
CWE-415
Status
published
Affected Products (12)
netapp/8300_firmware
netapp/8700_firmware
netapp/a400_firmware
netapp/c400_firmware
linux/linux_kernel
< 4.14.259
debian/debian_linux
debian/debian_linux
netapp/h410c_firmware
netapp/h300s_firmware
netapp/h500s_firmware
netapp/h700s_firmware
netapp/h410s_firmware
Timeline
Published
Jan 26, 2022
KEV Added
Apr 11, 2022
Tracked Since
Feb 18, 2026