Memory leak in Linux kernel - CVE-2021-47660

Vulnerability identifier: #VU104412

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-47660

CWE-ID: CWE-401

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the fs/ntfs3/fslog.c. A local user can perform a denial of service (DoS) attack.

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

Install update from vendor's website.

Linux kernel - addressed in versions 5.15.46, 5.17.14, 5.18.3, 5.19
python3-perf-debuginfo - addressed in versions 5.10.0-259.0.0.161, 5.10.0-259.0.0.162
python3-perf - addressed in versions 5.10.0-259.0.0.161, 5.10.0-259.0.0.162
perf-debuginfo - addressed in versions 5.10.0-259.0.0.161, 5.10.0-259.0.0.162
perf - addressed in versions 5.10.0-259.0.0.161, 5.10.0-259.0.0.162
kernel-tools-devel - addressed in versions 5.10.0-259.0.0.161, 5.10.0-259.0.0.162
kernel-tools-debuginfo - addressed in versions 5.10.0-259.0.0.161, 5.10.0-259.0.0.162
kernel-tools - addressed in versions 5.10.0-259.0.0.161, 5.10.0-259.0.0.162
kernel-source - addressed in versions 5.10.0-259.0.0.161, 5.10.0-259.0.0.162
kernel-headers - addressed in versions 5.10.0-259.0.0.161, 5.10.0-259.0.0.162
kernel-devel - addressed in versions 5.10.0-259.0.0.161, 5.10.0-259.0.0.162
kernel-debugsource - addressed in versions 5.10.0-259.0.0.161, 5.10.0-259.0.0.162
kernel-debuginfo - addressed in versions 5.10.0-259.0.0.161, 5.10.0-259.0.0.162
kernel - addressed in versions 5.10.0-259.0.0.161, 5.10.0-259.0.0.162
bpftool-debuginfo - update to 5.10.0-259.0.0.162
bpftool - update to 5.10.0-259.0.0.162

• https://git.kernel.org/stable/c/2c97519ed6b4239594c58ddacf3d0d576cf070cc
• https://git.kernel.org/stable/c/bc4a1d384a04c6dba9312e1421a9f9f7c03339a4
• https://git.kernel.org/stable/c/d8be98ab88250dc12a98efdb703792a537b0eac3
• https://git.kernel.org/stable/c/e589f9b7078e1c0191613cd736f598e81d2390de
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.46
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.14
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.3
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19

• Memory leak in Linux kernel ntfs3
• openEuler 22.03 LTS SP4 update for kernel
• openEuler 22.03 LTS SP3 update for kernel