CVE-2022-1012

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Summary

CVECVE-2022-1012
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-08-05 16:15:11 UTC
Updated2026-10-14 13:17:15 UTC
DescriptionA memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the small table perturb size. This flaw may allow an attacker to information leak and may cause a denial of service problem.

Risk And Classification

Primary CVSS: v3.1 8.2 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Problem Types: CWE-401 | CWE-401 CWE-401

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All
Operating System Linux Linux Kernel 5.18 - All All
Operating System Linux Linux Kernel 5.18 rc1 All All
Operating System Linux Linux Kernel 5.18 rc2 All All
Operating System Linux Linux Kernel 5.18 rc3 All All
Operating System Linux Linux Kernel 5.18 rc4 All All
Operating System Linux Linux Kernel 5.18 rc5 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Kernel affected Linux kernel version prior to 5.18-rc6 Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected V1.1 custom Not specified

References

ReferenceSourceLinkTags
CVE-2022-1012 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security af854a3a-2127-422b-91ae-364da2661108 security.netapp.com Third Party Advisory
[PATCH net 0/7] insufficient TCP source port randomness af854a3a-2127-422b-91ae-364da2661108 lore.kernel.org
2064604 – (CVE-2022-1012) CVE-2022-1012 kernel: Small table perturb size in the TCP source port generation algorithm can lead to information leak af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking, Third Party Advisory
cert-portal.siemens.com/productcert/html/ssa-794697.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
cert-portal.siemens.com/productcert/html/ssa-561322.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
Diff - b2d057560b8107c633b39aabe517ff9d93f285e3^! - pub/scm/linux/kernel/git/jkirsher/net-queue - Git at Google MITRE kernel.googlesource.com
[PATCH net 0/7] insufficient TCP source port randomness MITRE lore.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159931 Oracle Enterprise Linux Security Update for kernel (ELSA-2022-5249)
  • 160028 Oracle Enterprise Linux Security Update for kernel (ELSA-2022-5819)
  • 179371 Debian Security Update for linux (DSA 5161-1)
  • 180282 Debian Security Update for linux (DLA 3065-1)
  • 180605 Debian Security Update for linux (DSA 5173-1)
  • 180864 Debian Security Update for linux (CVE-2022-1012)
  • 198823 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5471-1)
  • 198921 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5594-1)
  • 198927 Ubuntu Security Notification for Linux kernel (Oracle) Vulnerabilities (USN-5599-1)
  • 198929 Ubuntu Security Notification for Linux kernel (Raspberry Pi) Vulnerabilities (USN-5602-1)
  • 198942 Ubuntu Security Notification for Linux kernel (Intel IoTG) Vulnerabilities (USN-5616-1)
  • 198949 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5622-1)
  • 198950 Ubuntu Security Notification for Linux kernel (HWE) Vulnerabilities (USN-5623-1)
  • 198954 Ubuntu Security Notification for Linux kernel (Raspberry Pi) Vulnerabilities (USN-5630-1)
  • 198962 Ubuntu Security Notification for Linux kernel (Azure CVM) Vulnerabilities (USN-5639-1)
  • 198966 Ubuntu Security Notification for Linux kernel (GCP) Vulnerabilities (USN-5647-1)
  • 198970 Ubuntu Security Notification for Linux kernel (GKE) Vulnerabilities (USN-5654-1)
  • 198974 Ubuntu Security Notification for Linux kernel (GCP) Vulnerabilities (USN-5660-1)
  • 198978 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5669-1)
  • 198985 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5678-1)
  • 198994 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5687-1)
  • 240487 Red Hat Update for kpatch-patch (RHSA-2022:5214)
  • 240494 Red Hat Update for kernel (RHSA-2022:5220)
  • 240499 Red Hat Update for kernel (RHSA-2022:5249)
  • 240527 Red Hat Update for kernel-rt (RHSA-2022:5267)
  • 240531 Red Hat Update for kernel-rt (RHSA-2022:5224)
  • 240544 Red Hat Update for kernel-rt (RHSA-2022:5633)
  • 240545 Red Hat Update for kernel (RHSA-2022:5626)
  • 240581 Red Hat Update for kernel-rt (RHSA-2022:5834)
  • 240594 Red Hat Update for kernel (RHSA-2022:5819)
  • 353976 Amazon Linux Security Advisory for kernel : ALAS-2022-1604
  • 353985 Amazon Linux Security Advisory for kernel : ALAS2-2022-1813
  • 353993 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2022-016
  • 353994 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-028
  • 354007 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2022-015
  • 354008 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-030
  • 354017 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-032
  • 354023 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2022-017
  • 377117 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2022:0158)
  • 377871 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX2-SA-2023:0001)
  • 6140257 AWS Bottlerocket Security Update for kernel (GHSA-g9px-j6j3-h52v)
  • 671929 EulerOS Security Update for kernel (EulerOS-SA-2022-1999)
  • 672003 EulerOS Security Update for kernel (EulerOS-SA-2022-2134)
  • 672017 EulerOS Security Update for kernel (EulerOS-SA-2022-2244)
  • 672045 EulerOS Security Update for kernel (EulerOS-SA-2022-2225)
  • 752340 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2377-1)
  • 752349 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2382-1)
  • 752364 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2422-1)
  • 752370 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2520-1)
  • 752391 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2549-1)
  • 752615 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3408-1)
  • 752632 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3450-1)
  • 753091 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2172-1)
  • 753148 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2615-1)
  • 753271 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2424-1)
  • 902670 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10472)
  • 902671 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10468)
  • 903970 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10472-1)
  • 904160 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10468-1)
  • 906064 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10472-2)
  • 906250 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10468-2)
  • 940602 AlmaLinux Security Update for kernel-rt (ALSA-2022:5834)
  • 940612 AlmaLinux Security Update for kernel (ALSA-2022:5819)
  • 940618 AlmaLinux Security Update for kernel (ALSA-2022:5249)
  • 940638 AlmaLinux Security Update for kernel-rt (ALSA-2022:5267)

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