Vulnerability Database

383,304

Total vulnerabilities in the database

CVE-2026-31431 — linux / linux_kernel

Incorrect Resource Transfer Between Spheres

In the Linux kernel, the following vulnerability has been resolved:

crypto: algif_aead - Revert to operating out-of-place

This mostly reverts commit 72548b093ee3 except for the copying of the associated data.

There is no benefit in operating in-place in algif_aead since the source and destination come from different mappings. Get rid of all the complexity added for in-place operation and just copy the AD directly.

  • Published: Apr 22, 2026
  • Updated: Sep 11, 2026
  • CVE: CVE-2026-31431
  • Severity: High
  • Exploit:
  • CISA KEV:

CVSS v3:

  • Severity: High
  • Score: 7.8
  • AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Software Affected versions
linux / linux_kernel >= 4.14, < 5.10.254
linux / linux_kernel >= 5.11, < 5.15.204
linux / linux_kernel >= 5.16, < 6.1.170
linux / linux_kernel >= 6.2, < 6.6.137
linux / linux_kernel >= 6.7, < 6.12.85
linux / linux_kernel >= 6.13, < 6.18.22
linux / linux_kernel >= 6.19, < 6.19.12
nixos / nixos < 25.11
arista / netvisor_os < 7.1.0
redhat / openshift_container_platform >= 4.12, < 4.12.89
redhat / openshift_container_platform >= 4.13, < 4.13.66
redhat / openshift_container_platform >= 4.14, < 4.14.65
redhat / openshift_container_platform >= 4.15, < 4.15.64
redhat / openshift_container_platform >= 4.16, < 4.16.61
redhat / openshift_container_platform >= 4.17, < 4.17.53
redhat / openshift_container_platform >= 4.18, < 4.18.40
redhat / openshift_container_platform >= 4.19, < 4.19.30
redhat / openshift_container_platform >= 4.20, < 4.20.21
redhat / openshift_container_platform >= 4.21, < 4.21.14
linux / linux_kernel = 7.0-rc1
linux / linux_kernel = 7.0-rc2
linux / linux_kernel = 7.0-rc3
linux / linux_kernel = 7.0-rc4
linux / linux_kernel = 7.0-rc5
linux / linux_kernel = 7.0-rc6
redhat / openshift_container_platform = 4.0
redhat / enterprise_linux = 8.0
redhat / enterprise_linux = 9.0
redhat / enterprise_linux = 10.0
redhat / enterprise_linux_aus = 8.4
redhat / enterprise_linux_aus = 8.6
redhat / enterprise_linux_eus = 8.4
redhat / enterprise_linux_eus = 9.4
redhat / enterprise_linux_eus = 9.6
redhat / enterprise_linux_eus = 10.0
redhat / enterprise_linux_tus = 8.6
redhat / enterprise_linux_tus = 8.8
redhat / enterprise_linux_update_services_for_sap_solutions = 8.6
redhat / enterprise_linux_update_services_for_sap_solutions = 8.8
redhat / enterprise_linux_update_services_for_sap_solutions = 9.0
redhat / enterprise_linux_update_services_for_sap_solutions = 9.2
debian / debian_linux = 11.0
debian / debian_linux = 12.0
debian / debian_linux = 13.0
opensuse / leap = 15.3
opensuse / leap = 15.4
opensuse / leap = 15.5
opensuse / leap = 15.6
suse / caas_platform = 4.0
suse / enterprise_storage = 6.0
suse / enterprise_storage = 7.0
suse / enterprise_storage = 7.1
suse / manager_proxy = 4.0
suse / manager_proxy = 4.1
suse / manager_proxy = 4.2
suse / manager_proxy = 4.3
suse / manager_retail_branch_server = 4.0
suse / manager_retail_branch_server = 4.1
suse / manager_retail_branch_server = 4.2
suse / manager_retail_branch_server = 4.3
suse / manager_server = 4.0
suse / manager_server = 4.1
suse / manager_server = 4.2
suse / manager_server = 4.3
suse / openstack_cloud = 9.0
suse / openstack_cloud_crowbar = 9.0
suse / basesystem_module = 15-sp1
suse / basesystem_module = 15-sp2
suse / basesystem_module = 15-sp3
suse / basesystem_module = 15-sp4
suse / basesystem_module = 15-sp5
suse / basesystem_module = 15-sp6
suse / basesystem_module = 15-sp7
suse / development_tools_module = 15-sp1
suse / development_tools_module = 15-sp2
suse / development_tools_module = 15-sp3
suse / development_tools_module = 15-sp4
suse / development_tools_module = 15-sp5
suse / development_tools_module = 15-sp6
suse / development_tools_module = 15-sp7
suse / legacy_module = 15-sp7
suse / linux_enterprise_desktop = 11-sp4
suse / linux_enterprise_desktop = 12-sp4
suse / linux_enterprise_desktop = 15-sp1
suse / linux_enterprise_desktop = 15-sp2
suse / linux_enterprise_desktop = 15-sp3
suse / linux_enterprise_desktop = 15-sp4
suse / linux_enterprise_desktop = 15-sp5
suse / linux_enterprise_desktop = 15-sp6
suse / linux_enterprise_desktop = 15-sp7
suse / linux_enterprise_high_availability_extension = 15-sp4
suse / linux_enterprise_high_availability_extension = 15-sp6
suse / linux_enterprise_high_availability_extension = 15-sp7
suse / linux_enterprise_high_availability_extension = 16.0
suse / linux_enterprise_high_performance_computing = 15.0-sp1
suse / linux_enterprise_high_performance_computing = 15.0-sp2
suse / linux_enterprise_high_performance_computing = 15.0-sp3
suse / linux_enterprise_high_performance_computing = 15.0-sp4
suse / linux_enterprise_high_performance_computing = 15.0-sp5
suse / linux_enterprise_high_performance_computing = 15.0-sp6
suse / linux_enterprise_high_performance_computing = 15.0-sp7
suse / linux_enterprise_live_patching = 12-sp5
suse / linux_enterprise_live_patching = 15-sp4
suse / linux_enterprise_live_patching = 15-sp5
suse / linux_enterprise_live_patching = 15-sp6
suse / linux_enterprise_live_patching = 15-sp7
suse / linux_enterprise_micro = 5.0
suse / linux_enterprise_micro = 5.1
suse / linux_enterprise_micro = 5.2
suse / linux_enterprise_micro = 5.3
suse / linux_enterprise_micro = 5.4
suse / linux_enterprise_micro = 5.5
suse / linux_enterprise_real_time = 15.0-sp2
suse / linux_enterprise_real_time = 15.0-sp3
suse / linux_enterprise_real_time = 15.0-sp4
suse / linux_enterprise_real_time = 15.0-sp5
suse / linux_enterprise_real_time = 15.0-sp6
suse / linux_enterprise_real_time = 15.0-sp7
suse / linux_enterprise_server = 11-sp4
suse / linux_enterprise_server = 12-sp4
suse / linux_enterprise_server = 12-sp5
suse / linux_enterprise_server = 15-sp1
suse / linux_enterprise_server = 15-sp2
suse / linux_enterprise_server = 15-sp3
suse / linux_enterprise_server = 15-sp4
suse / linux_enterprise_server = 15-sp5
suse / linux_enterprise_server = 15-sp6
suse / linux_enterprise_server = 15-sp7
suse / linux_enterprise_server = 16.0
suse / linux_enterprise_server = 16.1
suse / linux_enterprise_workstation_extension = 15-sp7
suse / linux_micro = 6.0
suse / linux_micro = 6.1
suse / linux_micro = 6.2
suse / public_cloud_module = 15-sp6
suse / public_cloud_module = 15-sp7
suse / realtime_module = 15-sp3
suse / realtime_module = 15-sp4
suse / realtime_module = 15-sp5
suse / realtime_module = 15-sp6
suse / realtime_module = 15-sp7
arista / cloudvision_agni >= 2024.4.0, <= 2025.2.2
arista / cloudvision_portal >= 2024.2.0, <= 2026.1.0
arista / velocloud_edge >= 4.5.0, <= 6.4.1
arista / netvisor_os = 7.1.0
arista / netvisor_os = 7.1.0-hotfix7
siemens / simatic_s7-1500_cpu_1518-4_pn/dp_mfp_firmware >= 3.1.5
siemens / simatic_s7-1500_cpu_1518f-4_pn/dp_mfp_firmware >= 3.1.5
siemens / siplus_s7-1500_cpu_1518-4_pn/dp_mfp_firmware >= 3.1.5
canonical / ubuntu_linux = 14.04
canonical / ubuntu_linux = 16.04
canonical / ubuntu_linux = 18.04
canonical / ubuntu_linux = 20.04
canonical / ubuntu_linux = 22.04
canonical / ubuntu_linux = 24.04
canonical / ubuntu_linux = 25.10
siemens / simatic_cn_4100_firmware < 6.0
siemens / simatic_hmi_unified_comfort_panels_firmware < 21.0
siemens / simatic_hmi_unified_comfort_panels_firmware = 21.0
siemens / simatic_hmi_unified_comfort_panels_firmware = 21.0-update_1
siemens / simatic_hmi_unified_comfort_panels_firmware = 21.0-update_2

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.