Vulnerability Monitor

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CVE-2021-4203


A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information.


Published

2022-03-25T19:15:09.833

Last Modified

2024-11-21T06:37:08.430

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.8 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:S/C:P/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: SINGLE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

6.8

Impact Score

4.9

Weaknesses
  • Type: Primary
    CWE-362
  • Type: Secondary
    CWE-362
    CWE-416

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel < 5.15 Yes
Operating System linux linux_kernel 5.15 Yes
Operating System linux linux_kernel 5.15 Yes
Operating System linux linux_kernel 5.15 Yes
Operating System linux linux_kernel 5.15 Yes
Application netapp active_iq_unified_manager - Yes
Application netapp e-series_santricity_os_controller ≤ 11.70.2 Yes
Application netapp element_software - Yes
Application netapp hci_management_node - Yes
Application netapp solidfire - Yes
Operating System netapp bootstrap_os - Yes
Hardware netapp hci_compute_node - No
Operating System netapp a700s_firmware - Yes
Hardware netapp a700s - No
Operating System netapp h300s_firmware - Yes
Hardware netapp h300s - No
Operating System netapp h500s_firmware - Yes
Hardware netapp h500s - No
Operating System netapp h700s_firmware - Yes
Hardware netapp h700s - No
Operating System netapp h410s_firmware - Yes
Hardware netapp h410s - No
Operating System netapp h410c_firmware - Yes
Hardware netapp h410c - No
Application oracle communications_cloud_native_core_binding_support_function 22.1.3 Yes
Application oracle communications_cloud_native_core_network_exposure_function 22.1.1 Yes
Application oracle communications_cloud_native_core_policy 22.2.0 Yes

References