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TI-2021-02703 Aliases CVE-2021-3772GHSA-g6gr-2x73-gj6f

A flaw was found in the Linux SCTP stack.

Priority LOW 31CWE-354Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
None · Low · High
Fix status
Partial Red Hat: 4 fixed, 3 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

A flaw was found in the Linux SCTP stack. A blind attacker may be able to kill an existing SCTP association through invalid chunks if the attacker knows the IP-addresses and port numbers being used and the attacker can send packets with spoofed IP addresses.

Why it matters now

EPSS 0.0124 69th percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 4 fixed, 3 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—kernelFixed in linux kernel v5.15 and above—No fix listedCNA
  • kernel Vendor— Affected Fixed in linux kernel v5.15 and above Fixed in — No fix listed CNA

CPE configurations NVD · 44

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*before 5.15.0VulnerableLinux
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*8.0VulnerableRed Hat
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:*22.1.3VulnerableOracle
cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:*:*:*:*:*:*:*22.1.1VulnerableOracle
cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:*:*:*:*:*:*:*22.2.0VulnerableOracle
cpe:2.3:a:netapp:e-series_santricity_os_controller:11.0:*:*:*:*:*:*:*11.0VulnerableNetApp
cpe:2.3:a:netapp:e-series_santricity_os_controller:11.0.0:*:*:*:*:*:*:*11.0.0VulnerableNetApp
cpe:2.3:a:netapp:e-series_santricity_os_controller:11.20:*:*:*:*:*:*:*11.20VulnerableNetApp
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 5.15.0 Vulnerable ·Linux
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
  • cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:* Versions 22.1.3 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:*:*:*:*:*:*:* Versions 22.1.1 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:*:*:*:*:*:*:* Versions 22.2.0 Vulnerable ·Oracle
  • cpe:2.3:a:netapp:e-series_santricity_os_controller:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·NetApp
  • cpe:2.3:a:netapp:e-series_santricity_os_controller:11.0.0:*:*:*:*:*:*:* Versions 11.0.0 Vulnerable ·NetApp
  • cpe:2.3:a:netapp:e-series_santricity_os_controller:11.20:*:*:*:*:*:*:* Versions 11.20 Vulnerable ·NetApp
Show 34 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:netapp:e-series_santricity_os_controller:11.25:*:*:*:*:*:*:*11.25VulnerableNetApp
cpe:2.3:a:netapp:e-series_santricity_os_controller:11.30:*:*:*:*:*:*:*11.30VulnerableNetApp
cpe:2.3:a:netapp:e-series_santricity_os_controller:11.30.5r3:*:*:*:*:*:*:*11.30.5r3VulnerableNetApp
cpe:2.3:a:netapp:e-series_santricity_os_controller:11.40:*:*:*:*:*:*:*11.40VulnerableNetApp
cpe:2.3:a:netapp:e-series_santricity_os_controller:11.40.3r2:*:*:*:*:*:*:*11.40.3r2VulnerableNetApp
cpe:2.3:a:netapp:e-series_santricity_os_controller:11.40.5:*:*:*:*:*:*:*11.40.5VulnerableNetApp
cpe:2.3:a:netapp:e-series_santricity_os_controller:11.50.1:*:*:*:*:*:*:*11.50.1VulnerableNetApp
cpe:2.3:a:netapp:e-series_santricity_os_controller:11.50.2:-:*:*:*:*:*:*11.50.2VulnerableNetApp
cpe:2.3:a:netapp:e-series_santricity_os_controller:11.50.2:p1:*:*:*:*:*:*11.50.2 p1VulnerableNetApp
cpe:2.3:a:netapp:e-series_santricity_os_controller:11.60:*:*:*:*:*:*:*11.60VulnerableNetApp
cpe:2.3:a:netapp:e-series_santricity_os_controller:11.60.0:*:*:*:*:*:*:*11.60.0VulnerableNetApp
cpe:2.3:a:netapp:e-series_santricity_os_controller:11.60.1:*:*:*:*:*:*:*11.60.1VulnerableNetApp
cpe:2.3:a:netapp:e-series_santricity_os_controller:11.60.3:*:*:*:*:*:*:*11.60.3VulnerableNetApp
cpe:2.3:a:netapp:e-series_santricity_os_controller:11.70.1:*:*:*:*:*:*:*11.70.1VulnerableNetApp
cpe:2.3:a:netapp:e-series_santricity_os_controller:11.70.2:*:*:*:*:*:*:*11.70.2VulnerableNetApp
cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:a:netapp:solidfire_\&_hci_storage_node:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:h610c_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h610c:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:h610s_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h610s:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:h615c_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h615c:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
  • cpe:2.3:a:netapp:e-series_santricity_os_controller:11.25:*:*:*:*:*:*:* Versions 11.25 Vulnerable ·NetApp
  • cpe:2.3:a:netapp:e-series_santricity_os_controller:11.30:*:*:*:*:*:*:* Versions 11.30 Vulnerable ·NetApp
  • cpe:2.3:a:netapp:e-series_santricity_os_controller:11.30.5r3:*:*:*:*:*:*:* Versions 11.30.5r3 Vulnerable ·NetApp
  • cpe:2.3:a:netapp:e-series_santricity_os_controller:11.40:*:*:*:*:*:*:* Versions 11.40 Vulnerable ·NetApp
  • cpe:2.3:a:netapp:e-series_santricity_os_controller:11.40.3r2:*:*:*:*:*:*:* Versions 11.40.3r2 Vulnerable ·NetApp
  • cpe:2.3:a:netapp:e-series_santricity_os_controller:11.40.5:*:*:*:*:*:*:* Versions 11.40.5 Vulnerable ·NetApp
  • cpe:2.3:a:netapp:e-series_santricity_os_controller:11.50.1:*:*:*:*:*:*:* Versions 11.50.1 Vulnerable ·NetApp
  • cpe:2.3:a:netapp:e-series_santricity_os_controller:11.50.2:-:*:*:*:*:*:* Versions 11.50.2 Vulnerable ·NetApp
  • cpe:2.3:a:netapp:e-series_santricity_os_controller:11.50.2:p1:*:*:*:*:*:* Versions 11.50.2 p1 Vulnerable ·NetApp
  • cpe:2.3:a:netapp:e-series_santricity_os_controller:11.60:*:*:*:*:*:*:* Versions 11.60 Vulnerable ·NetApp
  • cpe:2.3:a:netapp:e-series_santricity_os_controller:11.60.0:*:*:*:*:*:*:* Versions 11.60.0 Vulnerable ·NetApp
  • cpe:2.3:a:netapp:e-series_santricity_os_controller:11.60.1:*:*:*:*:*:*:* Versions 11.60.1 Vulnerable ·NetApp
  • cpe:2.3:a:netapp:e-series_santricity_os_controller:11.60.3:*:*:*:*:*:*:* Versions 11.60.3 Vulnerable ·NetApp
  • cpe:2.3:a:netapp:e-series_santricity_os_controller:11.70.1:*:*:*:*:*:*:* Versions 11.70.1 Vulnerable ·NetApp
  • cpe:2.3:a:netapp:e-series_santricity_os_controller:11.70.2:*:*:*:*:*:*:* Versions 11.70.2 Vulnerable ·NetApp
  • cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:a:netapp:solidfire_\&_hci_storage_node:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:h610c_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h610c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:h610s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h610s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:h615c_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h615c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp

Remediation

Red Hat 2 advisories

  • RHSA-2022:1988 Released 2022-05-10 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-372.9.1.el8, kernel-4.18.0-372.9.1.el8, kernel-abi-stablelists-4.18.0-372.9.1.el8 +19
    • Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-372.9.1.el8
  • RHSA-2022:1975 Released 2022-05-10 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-372.9.1.rt7.166.el8, kernel-rt-core-4.18.0-372.9.1.rt7.166.el8, kernel-rt-debug-4.18.0-372.9.1.rt7.166.el8 +9
    • Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-372.9.1.rt7.166.el8, kernel-rt-core-4.18.0-372.9.1.rt7.166.el8, kernel-rt-debug-4.18.0-372.9.1.rt7.166.el8 +7

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2022:1988
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2022:1988
Red Hat Enterprise Linux NFV (v. 8)Fixed RHSA-2022:1975
Red Hat Enterprise Linux RT (v. 8)Fixed RHSA-2022:1975
Not affected: 1 product
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-3772
  2. 2026-10-03 Alias added: GHSA-g6gr-2x73-gj6f

References

Patch 5

Advisory 3

Sources

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