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cveMitreCVE-2021-41864
HistoryOct 02, 2021 - 12:15 a.m.

CVE-2021-41864

2021-10-0200:15:07
CWE-190
mitre
web.nvd.nist.gov
376
4
cve-2021-41864
ebpf
integer overflow
linux kernel
security vulnerability

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.5

Confidence

High

EPSS

0

Percentile

14.2%

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.

Affected configurations

Nvd
Node
linuxlinux_kernelRange<5.14.12
Node
fedoraprojectfedoraMatch33
OR
fedoraprojectfedoraMatch34
OR
fedoraprojectfedoraMatch35
Node
netappcloud_backupMatch-
OR
netapphci_management_nodeMatch-
OR
netappsolidfireMatch-
Node
netapph410c_firmwareMatch-
AND
netapph410cMatch-
Node
netapph300s_firmwareMatch-
AND
netapph300sMatch-
Node
netapph500s_firmwareMatch-
AND
netapph500sMatch-
Node
netapph700s_firmwareMatch-
AND
netapph700sMatch-
Node
netapph300e_firmwareMatch-
AND
netapph300eMatch-
Node
netapph500e_firmwareMatch-
AND
netapph500eMatch-
Node
netapph700e_firmwareMatch-
AND
netapph700eMatch-
Node
netapph410s_firmwareMatch-
AND
netapph410sMatch-
Node
netappsolidfire_baseboard_management_controller_firmwareMatch-
AND
netappsolidfire_baseboard_management_controllerMatch-
Node
debiandebian_linuxMatch9.0
OR
debiandebian_linuxMatch10.0
VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
fedoraprojectfedora33cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
fedoraprojectfedora34cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
fedoraprojectfedora35cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
netappcloud_backup-cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
netapphci_management_node-cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*
netappsolidfire-cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
netapph410c_firmware-cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
netapph410c-cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*
netapph300s_firmware-cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
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References

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CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.5

Confidence

High

EPSS

0

Percentile

14.2%