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CVE-2021-4002

Description

A memory leak flaw in the Linux kernels hugetlbfs memory usage was found in the way the user maps some regions of memory twice using shmget() which are aligned to PUD alignment with the fault of some of the memory pages. A local user could use this flaw to get unauthorized access to some data.

Risk Information

Base Score
4.4
MODERATE
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS Score
Exploitation Probability
0.016

Associated Vulnerability

VulnerabilityOS Platform
Linux kernel for OEM systems (USN-5207-1) linux-image-oem-20.04_5.10.0.1053.55_amd64.debLinux
Linux kernel for OEM systems (USN-5207-1) linux-image-oem-20.04b_5.10.0.1053.55_amd64.debLinux
Linux kernel for OEM systems (USN-5207-1) linux-image-5.10.0-1053-oem_5.10.0-1053.55_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-aws_5.11.0.1023.24_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-aws_5.13.0.1008.10_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-aws_5.11.0.1023.24~20.04.23_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-gcp_5.13.0.1008.9_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-gcp_5.11.0.1024.24_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-gcp_5.11.0.1024.26~20.04.24_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-gke_5.13.0.1008.9_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-gke_5.11.0.1024.24_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-kvm_5.13.0.1007.7_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-kvm_5.11.0.1021.22_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-azure_5.11.0.1023.24_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-azure_5.13.0.1009.10_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-azure_5.11.0.1023.24~20.04.23_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-oracle_5.11.0.1023.24_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-oracle_5.13.0.1011.13_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-oracle_5.11.0.1023.24~20.04.16_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-generic_5.11.0.44.44_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-generic_5.13.0.23.34_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-virtual_5.11.0.44.44_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-virtual_5.13.0.23.34_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-oem-20.04_5.11.0.44.44_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-oem-20.04_5.13.0.23.34_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-lowlatency_5.11.0.44.44_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-lowlatency_5.13.0.23.34_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-1021-kvm_5.11.0-1021.23_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-1023-aws_5.11.0-1023.24_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-1023-aws_5.11.0-1023.24~20.04.1_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-1024-gcp_5.11.0-1024.26_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-1024-gcp_5.11.0-1024.26~20.04.1_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.13.0-1007-kvm_5.13.0-1007.7_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.13.0-1008-aws_5.13.0-1008.9_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.13.0-1008-gcp_5.13.0-1008.9_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-1023-azure_5.11.0-1023.24_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-1023-azure_5.11.0-1023.24~20.04.1_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-44-generic_5.11.0-44.48_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-44-generic_5.11.0-44.48~20.04.2_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.13.0-1009-azure_5.13.0-1009.10_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.13.0-23-generic_5.13.0-23.23_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-generic-hwe-20.04_5.11.0.44.48~20.04.22_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-virtual-hwe-20.04_5.11.0.44.48~20.04.22_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-1023-oracle_5.11.0-1023.24_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-1023-oracle_5.11.0-1023.24~20.04.1_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.13.0-1011-oracle_5.13.0-1011.13_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-44-lowlatency_5.11.0-44.48_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.11.0-44-lowlatency_5.11.0-44.48~20.04.2_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-5.13.0-23-lowlatency_5.13.0-23.23_amd64.debLinux
Linux kernel (USN-5208-1) linux-image-lowlatency-hwe-20.04_5.11.0.44.48~20.04.22_amd64.debLinux
Linux kernel (USN-5209-1) linux-image-kvm_4.15.0.1105.101_amd64.debLinux
Linux kernel for OEM systems (USN-5218-1) linux-image-oem-20.04c_5.13.0.1026.29_amd64.debLinux
Linux kernel for OEM systems (USN-5218-1) linux-image-5.13.0-1026-oem_5.13.0-1026.32_amd64.debLinux
SUSE-SU-2022:0068-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-4.12.14-122.106.1.x86_64.rpmLinux
SUSE-SU-2022:0068-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-base-4.12.14-122.106.1.x86_64.rpmLinux
SUSE-SU-2022:0068-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-base-debuginfo-4.12.14-122.106.1.x86_64.rpmLinux
SUSE-SU-2022:0068-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-debuginfo-4.12.14-122.106.1.x86_64.rpmLinux
SUSE-SU-2022:0068-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-debugsource-4.12.14-122.106.1.x86_64.rpmLinux
SUSE-SU-2022:0068-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-devel-4.12.14-122.106.1.x86_64.rpmLinux
SUSE-SU-2022:0068-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-default-devel-debuginfo-4.12.14-122.106.1.x86_64.rpmLinux
SUSE-SU-2022:0068-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-devel-4.12.14-122.106.1.noarch.rpmLinux
SUSE-SU-2022:0068-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-macros-4.12.14-122.106.1.noarch.rpmLinux
SUSE-SU-2022:0068-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-source-4.12.14-122.106.1.noarch.rpmLinux
SUSE-SU-2022:0068-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-syms-4.12.14-122.106.1.x86_64.rpmLinux
SUSE-SU-2022:0080-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-4.12.14-16.85.1.x86_64.rpmLinux
SUSE-SU-2022:0080-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-base-4.12.14-16.85.1.x86_64.rpmLinux
SUSE-SU-2022:0080-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-base-debuginfo-4.12.14-16.85.1.x86_64.rpmLinux
SUSE-SU-2022:0080-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-debuginfo-4.12.14-16.85.1.x86_64.rpmLinux
SUSE-SU-2022:0080-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-debugsource-4.12.14-16.85.1.x86_64.rpmLinux
SUSE-SU-2022:0080-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-azure-devel-4.12.14-16.85.1.x86_64.rpmLinux
SUSE-SU-2022:0080-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-devel-azure-4.12.14-16.85.1.noarch.rpmLinux
SUSE-SU-2022:0080-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-source-azure-4.12.14-16.85.1.noarch.rpmLinux
SUSE-SU-2022:0080-1(SUSE Linux Enterprise Server 12-SP5 ) kernel-syms-azure-4.12.14-16.85.1.x86_64.rpmLinux
Kernel-uek update (ELSA-2022-9313) kernel-uek-4.14.35-2047.512.6.el7uek.x86_64.rpmLinux
Kernel-uek-debug update (ELSA-2022-9313) kernel-uek-debug-4.14.35-2047.512.6.el7uek.x86_64.rpmLinux
Kernel-uek-debug-devel update (ELSA-2022-9313) kernel-uek-debug-devel-4.14.35-2047.512.6.el7uek.x86_64.rpmLinux
Kernel-uek-devel update (ELSA-2022-9313) kernel-uek-devel-4.14.35-2047.512.6.el7uek.x86_64.rpmLinux
Kernel-uek-doc update (ELSA-2022-9313) kernel-uek-doc-4.14.35-2047.512.6.el7uek.noarch.rpmLinux
Kernel-uek-tools update (ELSA-2022-9313) kernel-uek-tools-4.14.35-2047.512.6.el7uek.x86_64.rpmLinux
Kernel-uek update (ELSA-2022-9348) kernel-uek-4.1.12-124.62.3.el7uek.x86_64.rpmLinux
Kernel-uek-debug update (ELSA-2022-9348) kernel-uek-debug-4.1.12-124.62.3.el7uek.x86_64.rpmLinux
Kernel-uek-debug-devel update (ELSA-2022-9348) kernel-uek-debug-devel-4.1.12-124.62.3.el7uek.x86_64.rpmLinux
Kernel-uek-devel update (ELSA-2022-9348) kernel-uek-devel-4.1.12-124.62.3.el7uek.x86_64.rpmLinux
Kernel-uek-doc update (ELSA-2022-9348) kernel-uek-doc-4.1.12-124.62.3.el7uek.noarch.rpmLinux
Kernel-uek-firmware update (ELSA-2022-9348) kernel-uek-firmware-4.1.12-124.62.3.el7uek.noarch.rpmLinux
Kernel-uek update (ELSA-2022-9367) kernel-uek-4.14.35-2047.513.2.el7uek.x86_64.rpmLinux
Kernel-uek-debug update (ELSA-2022-9367) kernel-uek-debug-4.14.35-2047.513.2.el7uek.x86_64.rpmLinux
Kernel-uek-debug-devel update (ELSA-2022-9367) kernel-uek-debug-devel-4.14.35-2047.513.2.el7uek.x86_64.rpmLinux
Kernel-uek-devel update (ELSA-2022-9367) kernel-uek-devel-4.14.35-2047.513.2.el7uek.x86_64.rpmLinux
Kernel-uek-doc update (ELSA-2022-9367) kernel-uek-doc-4.14.35-2047.513.2.el7uek.noarch.rpmLinux
Kernel-uek-tools update (ELSA-2022-9367) kernel-uek-tools-4.14.35-2047.513.2.el7uek.x86_64.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-4.18.0-372.9.1.el8.x86_64.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-abi-stablelists-4.18.0-372.9.1.el8.noarch.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-core-4.18.0-372.9.1.el8.x86_64.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-cross-headers-4.18.0-372.9.1.el8.x86_64.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-debug-4.18.0-372.9.1.el8.x86_64.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-debug-core-4.18.0-372.9.1.el8.x86_64.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-debug-modules-4.18.0-372.9.1.el8.x86_64.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-debug-modules-extra-4.18.0-372.9.1.el8.x86_64.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-doc-4.18.0-372.9.1.el8.noarch.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-modules-4.18.0-372.9.1.el8.x86_64.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-modules-extra-4.18.0-372.9.1.el8.x86_64.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-tools-4.18.0-372.9.1.el8.x86_64.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update kernel-tools-libs-4.18.0-372.9.1.el8.x86_64.rpmLinux
(RHSA-2022:1988) kernel security, bug fix, and enhancement update python3-perf-4.18.0-372.9.1.el8.x86_64.rpmLinux
kernel-rt security and bug fix update (RLSA-2022:1975) perf-4.18.0-372.9.1.el8.x86_64.rpmLinux
kernel-rt security and bug fix update (RLSA-2022:1975) kernel-4.18.0-372.9.1.el8.x86_64.rpmLinux
kernel-rt security and bug fix update (RLSA-2022:1975) bpftool-4.18.0-372.9.1.el8.x86_64.rpmLinux
kernel-rt security and bug fix update (RLSA-2022:1975) kernel-doc-4.18.0-372.9.1.el8.noarch.rpmLinux
kernel-rt security and bug fix update (RLSA-2022:1975) kernel-core-4.18.0-372.9.1.el8.x86_64.rpmLinux
kernel-rt security and bug fix update (RLSA-2022:1975) kernel-debug-4.18.0-372.9.1.el8.x86_64.rpmLinux
kernel-rt security and bug fix update (RLSA-2022:1975) kernel-devel-4.18.0-372.9.1.el8.x86_64.rpmLinux
kernel-rt security and bug fix update (RLSA-2022:1975) kernel-tools-4.18.0-372.9.1.el8.x86_64.rpmLinux
kernel-rt security and bug fix update (RLSA-2022:1975) python3-perf-4.18.0-372.9.1.el8.x86_64.rpmLinux
kernel-rt security and bug fix update (RLSA-2022:1975) kernel-headers-4.18.0-372.9.1.el8.x86_64.rpmLinux
kernel-rt security and bug fix update (RLSA-2022:1975) kernel-modules-4.18.0-372.9.1.el8.x86_64.rpmLinux
kernel-rt security and bug fix update (RLSA-2022:1975) kernel-debug-core-4.18.0-372.9.1.el8.x86_64.rpmLinux
kernel-rt security and bug fix update (RLSA-2022:1975) kernel-tools-libs-4.18.0-372.9.1.el8.x86_64.rpmLinux
kernel-rt security and bug fix update (RLSA-2022:1975) kernel-debug-devel-4.18.0-372.9.1.el8.x86_64.rpmLinux
kernel-rt security and bug fix update (RLSA-2022:1975) kernel-cross-headers-4.18.0-372.9.1.el8.x86_64.rpmLinux
kernel-rt security and bug fix update (RLSA-2022:1975) kernel-debug-modules-4.18.0-372.9.1.el8.x86_64.rpmLinux
kernel-rt security and bug fix update (RLSA-2022:1975) kernel-modules-extra-4.18.0-372.9.1.el8.x86_64.rpmLinux
kernel-rt security and bug fix update (RLSA-2022:1975) kernel-abi-stablelists-4.18.0-372.9.1.el8.noarch.rpmLinux
kernel-rt security and bug fix update (RLSA-2022:1975) kernel-debug-modules-extra-4.18.0-372.9.1.el8.x86_64.rpmLinux
Linux kernel (USN-5209-1) linux-image-4.15.0-1105-kvm_4.15.0-1105.107_amd64.debLinux
Linux kernel (USN-5209-1) linux-image-4.15.0-1114-gcp_4.15.0-1114.128_amd64.debLinux
Linux kernel (USN-5209-1) linux-image-4.15.0-1118-aws_4.15.0-1118.125_amd64.debLinux
Linux kernel (USN-5209-1) linux-image-4.15.0-1129-azure_4.15.0-1129.142_amd64.debLinux
Linux kernel (USN-5209-1) linux-image-4.15.0-1085-oracle_4.15.0-1085.93_amd64.debLinux
Linux kernel (USN-5209-1) linux-image-4.15.0-166-generic_4.15.0-166.174_i386.debLinux
Linux kernel (USN-5209-1) linux-image-4.15.0-166-generic_4.15.0-166.174_amd64.debLinux
Linux kernel (USN-5209-1) linux-image-4.15.0-1033-dell300x_4.15.0-1033.38_amd64.debLinux
Linux kernel (USN-5209-1) linux-image-4.15.0-166-lowlatency_4.15.0-166.174_i386.debLinux
Linux kernel (USN-5209-1) linux-image-4.15.0-166-lowlatency_4.15.0-166.174_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-1010-ibm_5.4.0-1010.11_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-1051-kvm_5.4.0-1051.53_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-1057-gke_5.4.0-1057.60_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-1057-gke_5.4.0-1057.60~18.04.1_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-1059-gcp_5.4.0-1059.63_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-1059-gcp_5.4.0-1059.63~18.04.1_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-1029-gkeop_5.4.0-1029.30_amd64.debLinux
raspi (USN-5210-1) linux-image-5.4.0-1029-gkeop_5.4.0-1029.30~18.04.2_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-1065-azure_5.4.0-1065.68_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-1065-azure_5.4.0-1065.68~18.04.1_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-92-generic_5.4.0-92.103_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-92-generic_5.4.0-92.103~18.04.2_i386.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-92-generic_5.4.0-92.103~18.04.2_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-1059-oracle_5.4.0-1059.63_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-1059-oracle_5.4.0-1059.63~18.04.1_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-92-lowlatency_5.4.0-92.103_amd64.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-92-lowlatency_5.4.0-92.103~18.04.2_i386.debLinux
Linux kernel (USN-5210-1) linux-image-5.4.0-92-lowlatency_5.4.0-92.103~18.04.2_amd64.debLinux
kernel Security Update (ALAS-2021-1727) kernel-livepatch-4.14.256-197.484-1.0-0.amzn2.x86_64.rpmLinux
kernel Security Update (ALAS2-2025-2752) kernel-livepatch-4.14.256-197.484-1.0-0.amzn2.x86_64.rpmLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234