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Vulnerability · Published May 21, 2024 · Assigned by Linux

CVE-2021-47373irqchip/gic-v3-its: Fix potential VPE leak on error

Medium 5.5

In plain English

A medium-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 17% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 83.5% 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: irqchip/gic-v3-its: Fix potential VPE leak on error In its_vpe_irq_domain_alloc, when its_vpe_init() returns an error, there is an off-by-one in the number of VPEs to be freed. Fix it by simply passing the number of VPEs allocated, which is the index of the loop iterating over the VPEs. [maz: fixed commit message]

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8bpftool4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-abi-stablelists4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-core4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-cross-headers4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-debug4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-debug-core4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-debug-devel4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-debug-modules4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-debug-modules-extra4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-devel4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-doc4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-headers4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-modules4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-modules-extra4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-rt4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-rt-core4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-rt-debug4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-rt-debug-core4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-rt-debug-devel4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-rt-debug-kvm4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-rt-debug-modules4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-rt-debug-modules-extra4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-rt-devel4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-rt-kvm4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-rt-modules4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-rt-modules-extra4.18.0-553.16.1.rt7.357.el8_10ALSA-2024:5102
AlmaLinux:8kernel-tools4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-tools-libs4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-tools-libs-devel4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-zfcpdump4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-zfcpdump-core4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-zfcpdump-devel4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-zfcpdump-modules4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8kernel-zfcpdump-modules-extra4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8perf4.18.0-553.16.1.el8_10ALSA-2024:5101
AlmaLinux:8python3-perf4.18.0-553.16.1.el8_10ALSA-2024:5101
Debian:12linux5.14.9-1DEBIAN-CVE-2021-47373
Debian:13linux5.14.9-1DEBIAN-CVE-2021-47373
Debian:14linux5.14.9-1DEBIAN-CVE-2021-47373
Rocky Linux:8kernel0:4.18.0-553.16.1.el8_10RLSA-2024:5101
Rocky Linux:8kernel0:4.18.0-553.16.1.el8_10.cloud.0.1RXSA-2024:5101
Rocky Linux:8kernel-rt0:4.18.0-553.16.1.rt7.357.el8_10RLSA-2024:5102
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2021-47373
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2021-47373
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2021-47373
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2021-47373
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2021-47373
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2021-47373
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2021-47373
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2021-47373
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2021-47373
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2021-47373
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2021-47373
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2021-47373
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2021-47373
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2021-47373
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2021-47373
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2021-47373
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2021-47373
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2021-47373
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2021-47373
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2021-47373
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2021-47373
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2021-47373
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2021-47373
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2021-47373

Affected products (as reported)

VendorProductVersions
Linux Linux 7d75bbb4bc1ad90386776459d37e4ddfe605671e – before 7d39992d45acd6f2d6b2f62389c55b61fb3d486b7d75bbb4bc1ad90386776459d37e4ddfe605671e – before 5701e8bff314c155e7afdc467b1e0389d86853d07d75bbb4bc1ad90386776459d37e4ddfe605671e – before 42d3711c23781045e7a5cd28536c774b9a66d20b7d75bbb4bc1ad90386776459d37e4ddfe605671e – before 568662e37f927e3dc3e475f3ff7cf4ab7719c5e77d75bbb4bc1ad90386776459d37e4ddfe605671e – before e0c1c2e5da19685a20557a50f10c6aa4fa26aa847d75bbb4bc1ad90386776459d37e4ddfe605671e – before 280bef512933b2dda01d681d8cbe499b98fc5bdd
Linux Linux 4.14

References