CVE-2021-3743

HIGH

Linux Kernel - Memory Corruption

Title source: llm
STIX 2.1

Description

An out-of-bounds (OOB) memory read flaw was found in the Qualcomm IPC router protocol in the Linux kernel. A missing sanity check allows a local attacker to gain access to out-of-bounds memory, leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability.

References (8)

Core 8
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1997961
Exploit, Mailing List, Third Party Advisory x_refsource_misc
https://lists.openwall.net/netdev/2021/08/17/124
Exploit, Mailing List, Patch, Third Party Advisory x_refsource_misc
https://www.openwall.com/lists/oss-security/2021/08/27/2
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujul2022.html
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20220407-0007/

Scores

CVSS v3 7.1
EPSS 0.0001
EPSS Percentile 1.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Details

CWE
CWE-125
Status published
Products (15)
fedoraproject/fedora 34
linux/linux_kernel 5.14 rc6
linux/linux_kernel 5.17 (7 CPE variants)
linux/linux_kernel 5.14.1 - 5.17
netapp/h300e_firmware
netapp/h300s_firmware
netapp/h410c_firmware
netapp/h410s_firmware
netapp/h500e_firmware
netapp/h500s_firmware
... and 5 more
Published Mar 04, 2022
Tracked Since Feb 18, 2026