Memory leak in Linux kernel - CVE-2023-39180

Vulnerability identifier: #VU92188

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-39180

CWE-ID: CWE-401

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak when handling SMB2_READ commands in ksmbd. A remote attacker can force the application to leak memory and perform denial of service attack.

Linux kernel
openEuler
kernel
kernel-headers
python3-perf-debuginfo
perf
kernel-devel
perf-debuginfo
kernel-source
kernel-debugsource
python3-perf
kernel-tools
kernel-debuginfo
kernel-tools-devel
kernel-tools-debuginfo

Install updates from vendor's website.

kernel - addressed in versions 5.10.0-136.82.0.163, 5.10.0-215.0.0.119
kernel-headers - addressed in versions 5.10.0-136.82.0.163, 5.10.0-215.0.0.119
python3-perf-debuginfo - addressed in versions 5.10.0-136.82.0.163, 5.10.0-215.0.0.119
perf - addressed in versions 5.10.0-136.82.0.163, 5.10.0-215.0.0.119
kernel-devel - addressed in versions 5.10.0-136.82.0.163, 5.10.0-215.0.0.119
perf-debuginfo - addressed in versions 5.10.0-136.82.0.163, 5.10.0-215.0.0.119
kernel-source - addressed in versions 5.10.0-136.82.0.163, 5.10.0-215.0.0.119
kernel-debugsource - addressed in versions 5.10.0-136.82.0.163, 5.10.0-215.0.0.119
python3-perf - addressed in versions 5.10.0-136.82.0.163, 5.10.0-215.0.0.119
kernel-tools - addressed in versions 5.10.0-136.82.0.163, 5.10.0-215.0.0.119
kernel-debuginfo - addressed in versions 5.10.0-136.82.0.163, 5.10.0-215.0.0.119
kernel-tools-devel - addressed in versions 5.10.0-136.82.0.163, 5.10.0-215.0.0.119
kernel-tools-debuginfo - addressed in versions 5.10.0-136.82.0.163, 5.10.0-215.0.0.119

• https://www.zerodayinitiative.com/advisories/ZDI-24-589/
• https://lore.kernel.org/lkml/20230813160006.1073695-11-sashal@kernel.org/

• Denial of service in Linux Kernel ksmbd
• openEuler 22.03 LTS SP3 update for kernel
• openEuler 22.03 LTS SP1 update for kernel