CVE-2021-22600

🗓️ 26 Jan 2022 00:00:00Reported by GoogleType

cve🔗 web.nvd.nist.gov📰️ 2 Media mentions👁 1172 Views

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 privilege

Reporter	Title	Published	Views	Family All 323
Gitee	Exploit for Double Free in Linux Linux_Kernel	28 Feb 202316:14	–	gitee
ATTACKERKB	CVE-2021-22600	26 Jan 202200:00	–	attackerkb
Tenable Nessus	Alibaba Cloud Linux 3 : 0029: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2022:0029)	14 May 202500:00	–	nessus
Tenable Nessus	Alibaba Cloud Linux 3 : 0125: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2022:0125)	14 May 202500:00	–	nessus
Tenable Nessus	CentOS 9 : kernel-5.14.0-347.el9	29 Feb 202400:00	–	nessus
Tenable Nessus	Debian DSA-5096-1 : linux - security update	9 Mar 202200:00	–	nessus
Tenable Nessus	EulerOS 2.0 SP9 : kernel (EulerOS-SA-2022-1429)	18 Apr 202200:00	–	nessus
Tenable Nessus	EulerOS Virtualization 2.9.1 : kernel (EulerOS-SA-2022-1607)	5 May 202200:00	–	nessus
Tenable Nessus	EulerOS 2.0 SP10 : kernel (EulerOS-SA-2022-1647)	6 May 202200:00	–	nessus
Tenable Nessus	EulerOS Virtualization 2.10.1 : kernel (EulerOS-SA-2022-2054)	14 Jul 202200:00	–	nessus

NVD

Vulners

Node

netapp 8300_firmwareMatch-

AND

netapp 8300Match-

Node

netapp 8700_firmwareMatch-

AND

netapp 8700Match-

Node

netapp a400_firmwareMatch-

AND

netapp a400Match-

Node

netapp c400_firmwareMatch-

AND

netapp c400Match-

Node

linux linux_kernelRange4.14.175–4.14.259

linux linux_kernelRange4.19.114–4.19.222

linux linux_kernelRange5.4.29–5.4.168

linux linux_kernelRange5.5.14–5.10.88

linux linux_kernelRange5.11–5.15.11

Node

debian debian_linuxMatch9.0

debian debian_linuxMatch10.0

Node

netapp h410c_firmwareMatch-

AND

netapp h410cMatch-

Node

netapp h300s_firmwareMatch-

AND

netapp h300sMatch-

Node

netapp h500s_firmwareMatch-

AND

netapp h500sMatch-

Node

netapp h700s_firmwareMatch-

AND

netapp h700sMatch-

Node

netapp h410s_firmwareMatch-

AND

netapp h410sMatch-

[
  {
    "vendor": "Linux Kernel",
    "product": "Kernel",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "5.4.168",
        "status": "affected",
        "versionType": "custom"
      },
      {
        "version": "unspecified",
        "lessThan": "5.10.88",
        "status": "affected",
        "versionType": "custom"
      },
      {
        "version": "unspecified",
        "lessThan": "5.15.11",
        "status": "affected",
        "versionType": "custom"
      },
      {
        "version": "unspecified",
        "lessThan": "5.16-rc6",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]

Source	Link
debian	www.debian.org/security/2022/dsa-5096
git	www.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit
lists	www.lists.debian.org/debian-lts-announce/2022/03/msg00012.html
security	www.security.netapp.com/advisory/ntap-20230110-0002/
cisa	www.cisa.gov/known-exploited-vulnerabilities-catalog

24 Oct 2025 13:54Current

6.8Medium risk

Vulners AI Score6.8

CVSS 3.16.6 - 7

CVSS 27.2

EPSS0.00179

SSVC