🛡️ UBUNTU-CVE-2021-41864
⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2021-10-02
Updated 2026-06-15
Modified 2026-06-03
Fix URL N/A

Affected Packages

Software From version Fixed in
linux 5.4.0-92.103
linux-aws 5.4.0-1061.64
linux-aws-5.0
linux-aws-5.11 5.11.0-1023.24~20.04.1
linux-aws-5.3
linux-aws-5.4 5.4.0-1061.64~18.04.1
linux-aws-5.8
linux-aws-fips
linux-aws-hwe 4.15.0-1118.125~16.04.1
linux-azure 5.4.0-1065.68
linux-azure-4.15 4.15.0-1129.142
linux-azure-5.11 5.11.0-1023.24~20.04.1
linux-azure-5.3
linux-azure-5.4 5.4.0-1065.68~18.04.1
linux-azure-5.8
linux-azure-edge
linux-azure-fips
linux-bluefield
linux-dell300x 4.15.0-1033.38
linux-fips
linux-gcp 5.4.0-1059.63
linux-gcp-4.15 4.15.0-1114.128
linux-gcp-5.11 5.11.0-1024.26~20.04.1
linux-gcp-5.3
linux-gcp-5.4 5.4.0-1059.63~18.04.1
linux-gcp-5.8
linux-gcp-edge
linux-gcp-fips
linux-gke 5.4.0-1057.60
linux-gke-4.15
linux-gke-5.4 5.4.0-1057.60~18.04.1
linux-gkeop 5.4.0-1029.30
linux-gkeop-5.4 5.4.0-1029.30~18.04.2
linux-hwe
linux-hwe-5.11 5.11.0-44.48~20.04.2
linux-hwe-5.13 5.13.0-23.23~20.04.2
linux-hwe-5.4 5.4.0-92.103~18.04.2
linux-hwe-5.8
linux-hwe-edge
linux-ibm 5.4.0-1010.11
linux-intel-5.13
linux-intel-iot-realtime
linux-kvm 5.4.0-1051.53
linux-oem
linux-oem-5.10 5.10.0-1051.53
linux-oem-5.13 5.13.0-1026.32
linux-oem-5.14 5.14.0-1007.7
linux-oem-5.6
linux-oracle 5.4.0-1059.63
linux-oracle-5.0
linux-oracle-5.11 5.11.0-1023.24~20.04.1
linux-oracle-5.3
linux-oracle-5.4 5.4.0-1059.63~18.04.1
linux-oracle-5.8
linux-raspi 5.4.0-1048.53
linux-raspi-5.4 5.4.0-1048.53~18.04.1
linux-raspi-realtime
linux-raspi2
linux-realtime
linux-riscv
linux-riscv-5.11 5.11.0-1024.25~20.04.1
linux-riscv-5.8
linux-snapdragon 4.15.0-1118.127

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