CVE-2023-38429Off-by-one Error in Kernel

CWE-193Off-by-one Error22 documents7 sources
Severity
9.8CRITICALNVD
OSV7.8
EPSS
0.0%
top 84.93%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 18
Latest updateSep 18

Description

An issue was discovered in the Linux kernel before 6.3.4. fs/ksmbd/connection.c in ksmbd has an off-by-one error in memory allocation (because of ksmbd_smb2_check_message) that may lead to out-of-bounds access.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

NVDlinux/linux_kernel5.155.15.113+2
Debianlinux/linux_kernel< 6.1.37-1+2
Ubuntulinux/linux_kernel< 5.15.0-83.92

Patches

🔴Vulnerability Details

11
OSV
linux-intel-iotg vulnerabilities2023-09-18
OSV
linux-azure, linux-azure-5.15, linux-azure-fde, linux-azure-fde-5.15, linux-raspi vulnerabilities2023-09-11
OSV
linux-gcp, linux-gcp-6.2, linux-ibm, linux-oracle, linux-starfive vulnerabilities2023-09-08
OSV
linux-gcp-5.15, linux-gkeop-5.15 vulnerabilities2023-09-08
OSV
linux-gke, linux-gkeop vulnerabilities2023-09-06

📋Vendor Advisories

10
Ubuntu
Linux kernel (Intel IoTG) vulnerabilities2023-09-18
Ubuntu
Linux kernel vulnerabilities2023-09-11
Ubuntu
Linux kernel vulnerabilities2023-09-08
Ubuntu
Linux kernel vulnerabilities2023-09-08
Ubuntu
Linux kernel (Azure) vulnerabilities2023-09-06