CVE-2021-47373

MEDIUM

Linux Kernel 4.14-4.14.249 - Off-by-one Error in VPE Allocation

Title source: llm
STIX 2.1

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]

Scores

CVSS v3 5.5
EPSS 0.0025
EPSS Percentile 16.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-193
Status published
Products (16)
Linux/Linux < 4.14
Linux/Linux 4.14
Linux/Linux 4.14.249 - 4.14.*
Linux/Linux 4.19.209 - 4.19.*
Linux/Linux 5.10.70 - 5.10.*
Linux/Linux 5.14.9 - 5.14.*
Linux/Linux 5.15
Linux/Linux 5.4.150 - 5.4.*
Linux/Linux 7d75bbb4bc1ad90386776459d37e4ddfe605671e - 280bef512933b2dda01d681d8cbe499b98fc5bdd
Linux/Linux 7d75bbb4bc1ad90386776459d37e4ddfe605671e - 42d3711c23781045e7a5cd28536c774b9a66d20b
... and 6 more
Published May 21, 2024
Tracked Since Feb 18, 2026