Vulnerability Monitor

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CVE-2021-41864

prealloc_elems_and_freelist in kernel/bpf/stackmap.c in the Linux kernel before 5.14.12 allows unprivileged users to trigger an eBPF multiplication integer overflow with a resultant out-of-bounds write.

Published

2021-10-02T00:15:07.503

Last Modified

2024-11-21T06:26:55.027

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

3.9

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-190
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel < 5.14.12 Yes
Operating System fedoraproject fedora 33 Yes
Operating System fedoraproject fedora 34 Yes
Operating System fedoraproject fedora 35 Yes
Application netapp cloud_backup - Yes
Application netapp hci_management_node - Yes
Application netapp solidfire - Yes
Operating System netapp h410c_firmware - Yes
Hardware netapp h410c - 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 h300e_firmware - Yes
Hardware netapp h300e - No
Operating System netapp h500e_firmware - Yes
Hardware netapp h500e - No
Operating System netapp h700e_firmware - Yes
Hardware netapp h700e - No
Operating System netapp h410s_firmware - Yes
Hardware netapp h410s - No
Operating System netapp solidfire_baseboard_management_controller_firmware - Yes
Hardware netapp solidfire_baseboard_management_controller - No
Operating System debian debian_linux 9.0 Yes
Operating System debian debian_linux 10.0 Yes
References