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CVE-2021-38201

Description

net/sunrpc/xdr.c in the Linux kernel before 5.13.4 allows remote attackers to cause a denial of service (xdr_set_page_base slab-out-of-bounds access) by performing many NFS 4.2 READ_PLUS operations.

Risk Information

Base Score
7.5
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
Exploitation Probability
0.52

Associated Vulnerability

VulnerabilityOS Platform
(RHSA-2021:3447) kernel security and bug fix update bpftool-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
(RHSA-2021:3447) kernel security and bug fix update kernel-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
(RHSA-2021:3447) kernel security and bug fix update kernel-abi-stablelists-4.18.0-305.17.1.el8_4.noarch.rpmLinux
(RHSA-2021:3447) kernel security and bug fix update kernel-core-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
(RHSA-2021:3447) kernel security and bug fix update kernel-cross-headers-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
(RHSA-2021:3447) kernel security and bug fix update kernel-debug-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
(RHSA-2021:3447) kernel security and bug fix update kernel-debug-core-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
(RHSA-2021:3447) kernel security and bug fix update kernel-debug-devel-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
(RHSA-2021:3447) kernel security and bug fix update kernel-debug-modules-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
(RHSA-2021:3447) kernel security and bug fix update kernel-debug-modules-extra-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
(RHSA-2021:3447) kernel security and bug fix update kernel-devel-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
(RHSA-2021:3447) kernel security and bug fix update kernel-doc-4.18.0-305.17.1.el8_4.noarch.rpmLinux
(RHSA-2021:3447) kernel security and bug fix update kernel-headers-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
(RHSA-2021:3447) kernel security and bug fix update kernel-modules-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
(RHSA-2021:3447) kernel security and bug fix update kernel-modules-extra-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
(RHSA-2021:3447) kernel security and bug fix update kernel-tools-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
(RHSA-2021:3447) kernel security and bug fix update kernel-tools-libs-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
(RHSA-2021:3447) kernel security and bug fix update perf-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
(RHSA-2021:3447) kernel security and bug fix update python3-perf-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
Bpftool update (ELSA-2021-3447) bpftool-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
Kernel update (ELSA-2021-3447) kernel-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
Kernel-abi-stablelists update (ELSA-2021-3447) kernel-abi-stablelists-4.18.0-305.17.1.el8_4.noarch.rpmLinux
Kernel-core update (ELSA-2021-3447) kernel-core-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
Kernel-cross-headers update (ELSA-2021-3447) kernel-cross-headers-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
Kernel-debug update (ELSA-2021-3447) kernel-debug-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
Kernel-debug-core update (ELSA-2021-3447) kernel-debug-core-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
Kernel-debug-devel update (ELSA-2021-3447) kernel-debug-devel-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
Kernel-debug-modules update (ELSA-2021-3447) kernel-debug-modules-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
Kernel-debug-modules-extra update (ELSA-2021-3447) kernel-debug-modules-extra-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
Kernel-devel update (ELSA-2021-3447) kernel-devel-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
Kernel-doc update (ELSA-2021-3447) kernel-doc-4.18.0-305.17.1.el8_4.noarch.rpmLinux
Kernel-headers update (ELSA-2021-3447) kernel-headers-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
Kernel-modules update (ELSA-2021-3447) kernel-modules-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
Kernel-modules-extra update (ELSA-2021-3447) kernel-modules-extra-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
Kernel-tools update (ELSA-2021-3447) kernel-tools-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
Kernel-tools-libs update (ELSA-2021-3447) kernel-tools-libs-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
Kernel-tools-libs-devel update (ELSA-2021-3447) kernel-tools-libs-devel-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
Perf update (ELSA-2021-3447) perf-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
Python3-perf update (ELSA-2021-3447) python3-perf-4.18.0-305.17.1.el8_4.x86_64.rpmLinux
Linux kernel (USN-5092-1) linux-image-aws_5.11.0.1019.20_amd64.debLinux
Linux kernel (USN-5092-1) linux-image-aws_5.11.0.1019.20~20.04.18_amd64.debLinux
Linux kernel (USN-5092-1) linux-image-gcp_5.11.0.1020.20_amd64.debLinux
Linux kernel (USN-5092-1) linux-image-gke_5.11.0.1020.20_amd64.debLinux
Linux kernel (USN-5092-1) linux-image-kvm_5.11.0.1017.18_amd64.debLinux
Linux kernel (USN-5092-1) linux-image-oracle_5.11.0.1019.20_amd64.debLinux
Linux kernel (USN-5092-1) linux-image-generic_5.11.0.37.39_amd64.debLinux
Linux kernel (USN-5092-1) linux-image-virtual_5.11.0.37.39_amd64.debLinux
Linux kernel (USN-5092-1) linux-image-oem-20.04_5.11.0.37.39_amd64.debLinux
Linux kernel (USN-5092-1) linux-image-lowlatency_5.11.0.37.39_amd64.debLinux
Linux kernel (USN-5092-1) linux-image-5.11.0-1017-kvm_5.11.0-1017.18_amd64.debLinux
Linux kernel (USN-5092-1) linux-image-5.11.0-1019-aws_5.11.0-1019.20_amd64.debLinux
Linux kernel (USN-5092-1) linux-image-5.11.0-1019-aws_5.11.0-1019.20~20.04.1_amd64.debLinux
Linux kernel (USN-5092-1) linux-image-5.11.0-1020-gcp_5.11.0-1020.22_amd64.debLinux
Linux kernel (USN-5092-1) linux-image-5.11.0-37-generic_5.11.0-37.41_amd64.debLinux
Linux kernel (USN-5092-1) linux-image-5.11.0-1019-oracle_5.11.0-1019.20_amd64.debLinux
Linux kernel (USN-5092-1) linux-image-5.11.0-37-lowlatency_5.11.0-37.41_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-5092-2) linux-image-azure_5.11.0.1017.18_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-5092-2) linux-image-oracle_5.11.0.1019.20~20.04.12_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-5092-2) linux-image-azure-edge_5.11.0.1017.18~20.04.16_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-5092-2) linux-image-5.11.0-1017-azure_5.11.0-1017.18_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-5092-2) linux-image-5.11.0-1017-azure_5.11.0-1017.18~20.04.1_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-5092-2) linux-image-5.11.0-37-generic_5.11.0-37.41~20.04.2_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-5092-2) linux-image-generic-hwe-20.04_5.11.0.37.41~20.04.16_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-5092-2) linux-image-virtual-hwe-20.04_5.11.0.37.41~20.04.16_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-5092-2) linux-image-5.11.0-1019-oracle_5.11.0-1019.20~20.04.1_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-5092-2) linux-image-5.11.0-37-lowlatency_5.11.0-37.41~20.04.2_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-5092-2) linux-image-lowlatency-hwe-20.04_5.11.0.37.41~20.04.16_amd64.debLinux
Linux kernel for OEM systems (USN-5096-1) linux-image-oem-20.04c_5.13.0.1014.18_amd64.debLinux
Linux kernel for OEM systems (USN-5096-1) linux-image-5.13.0-1014-oem_5.13.0-1014.18_amd64.debLinux

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