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Vulnerability · Published May 21, 2024 · Assigned by Linux

CVE-2021-47352virtio-net: Add validation for used length

High 8.4

In plain English

A high-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.4High
Exploit odds (30 days)0.3%top 81.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: virtio-net: Add validation for used length This adds validation for used length (might come from an untrusted device) to avoid data corruption or loss.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8bpftool4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8kernel4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8kernel-abi-stablelists4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8kernel-core4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8kernel-cross-headers4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8kernel-debug4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8kernel-debug-core4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8kernel-debug-devel4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8kernel-debug-modules4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8kernel-debug-modules-extra4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8kernel-devel4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8kernel-doc4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8kernel-headers4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8kernel-modules4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8kernel-modules-extra4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8kernel-rt4.18.0-553.22.1.rt7.363.el8_10ALSA-2024:7001
AlmaLinux:8kernel-rt-core4.18.0-553.22.1.rt7.363.el8_10ALSA-2024:7001
AlmaLinux:8kernel-rt-debug4.18.0-553.22.1.rt7.363.el8_10ALSA-2024:7001
AlmaLinux:8kernel-rt-debug-core4.18.0-553.22.1.rt7.363.el8_10ALSA-2024:7001
AlmaLinux:8kernel-rt-debug-devel4.18.0-553.22.1.rt7.363.el8_10ALSA-2024:7001
AlmaLinux:8kernel-rt-debug-kvm4.18.0-553.22.1.rt7.363.el8_10ALSA-2024:7001
AlmaLinux:8kernel-rt-debug-modules4.18.0-553.22.1.rt7.363.el8_10ALSA-2024:7001
AlmaLinux:8kernel-rt-debug-modules-extra4.18.0-553.22.1.rt7.363.el8_10ALSA-2024:7001
AlmaLinux:8kernel-rt-devel4.18.0-553.22.1.rt7.363.el8_10ALSA-2024:7001
AlmaLinux:8kernel-rt-kvm4.18.0-553.22.1.rt7.363.el8_10ALSA-2024:7001
AlmaLinux:8kernel-rt-modules4.18.0-553.22.1.rt7.363.el8_10ALSA-2024:7001
AlmaLinux:8kernel-rt-modules-extra4.18.0-553.22.1.rt7.363.el8_10ALSA-2024:7001
AlmaLinux:8kernel-tools4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8kernel-tools-libs4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8kernel-tools-libs-devel4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8kernel-zfcpdump4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8kernel-zfcpdump-core4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8kernel-zfcpdump-devel4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8kernel-zfcpdump-modules4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8kernel-zfcpdump-modules-extra4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8perf4.18.0-553.22.1.el8_10ALSA-2024:7000
AlmaLinux:8python3-perf4.18.0-553.22.1.el8_10ALSA-2024:7000
Debian:12linux5.14.6-1DEBIAN-CVE-2021-47352
Debian:13linux5.14.6-1DEBIAN-CVE-2021-47352
Debian:14linux5.14.6-1DEBIAN-CVE-2021-47352
Rocky Linux:8kernel0:4.18.0-553.22.1.el8_10RLSA-2024:7000
Rocky Linux:8kernel-rt0:4.18.0-553.22.1.rt7.363.el8_10RLSA-2024:7001
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2021-47352
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2021-47352
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2021-47352
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2021-47352
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2021-47352
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2021-47352
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2021-47352
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2021-47352
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2021-47352
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2021-47352
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2021-47352
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2021-47352
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2021-47352
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2021-47352
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2021-47352
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2021-47352
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2021-47352
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2021-47352
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2021-47352
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2021-47352
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2021-47352
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2021-47352
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2021-47352
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2021-47352

Affected products (as reported)

VendorProductVersions
Linux Linux f6b10209b90d48a84f886ab2b317b5d2cbfe3143 – before c1b40d1959517ff2ea473d40eeab4691d6d62462f6b10209b90d48a84f886ab2b317b5d2cbfe3143 – before c92298d228f61589dd21657af2bea95fc866b813f6b10209b90d48a84f886ab2b317b5d2cbfe3143 – before 3133e01514c3c498f2b01ff210ee6134b70c663cf6b10209b90d48a84f886ab2b317b5d2cbfe3143 – before ba710baa1cc1b17a0483f7befe03e696efd17292f6b10209b90d48a84f886ab2b317b5d2cbfe3143 – before ad993a95c508417acdeb15244109e009e50d8758
Linux Linux 4.11

References