CVE-2022-4378 — Incorrect Calculation of Buffer Size in Linux

CWE-131 — Incorrect Calculation of Buffer SizeCWE-787 — Out-of-bounds WriteCWE-120 — Classic Buffer OverflowCWE-201 — Sensitive Info Insertion into Sent Data35 documents11 sources
Severity
7.8HIGHNVD
OSV8.8OSV6.7OSV6.5OSV5.5OSV4.3OSV2.5
EPSS
0.0%
top 91.09%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Linux KernelDebian LinuxPaloalto Pan-os+4 more
Timeline
PublishedJan 5
Latest updateApr 15

Description

A stack overflow flaw was found in the Linux kernel's SYSCTL subsystem in how a user changes certain kernel parameters and variables. This flaw allows a local user to crash or potentially escalate their privileges on the system.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages10 packages

▶Debianlinux/linux_kernel< 5.10.158-1+3
▶Ubuntulinux/linux_kernel< 4.15.0-206.217+5
▶NVDlinux/linux_kernel4.9.0 — 4.9.337+6
▶CVEListV5linux/linux_kernelkernel 6.0.12

🔴Vulnerability Details

13
OSV
Kernel Live Patch Security Notice↗2023-03-07
▶
OSV
linux, linux-aws, linux-dell300x, linux-gcp-4.15, linux-oracle vulnerabilities↗2023-03-03
▶
OSV
linux-aws-hwe, linux-oracle vulnerabilities↗2023-03-03
▶
OSV
linux-hwe vulnerabilities↗2023-02-22
▶
OSV
linux-hwe-5.19 vulnerabilities↗2023-02-16
▶

📋Vendor Advisories

21
CISA ICS
ABB M2M Gateway↗2025-04-15
▶
Palo Alto
PAN-SA-2024-0001 Informational Bulletin: Impact of OSS CVEs in PAN-OS↗2024-02-14
▶
GitLab
CVE-2023-4378: An issue has been discovered in GitLab CE/EE affecting all versions starting from 11.8 before 16.1.5, all versions starting from 16.2 before 16.2.5, a↗2023-09-01
▶
CISA ICS
Siemens SIMATIC S7-1500 TM MFP BIOS↗2023-06-15
▶
Ubuntu
Kernel Live Patch Security Notice↗2023-03-07
▶