Double free in Linux kernel - CVE-2022-3238

Vulnerability identifier: #VU92739

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-3238

CWE-ID: CWE-415

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to execute arbitrary code.

A double-free flaw was found in the Linux kernel's NTFS3 subsystem in how a user triggers remount and umount simultaneously. This flaw allows a local user to crash or potentially escalate their privileges on the system.

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 repository.

python3-perf-debuginfo - addressed in versions 5.10.0-265.0.0.167, 5.10.0-265.0.0.168
python3-perf - addressed in versions 5.10.0-265.0.0.167, 5.10.0-265.0.0.168
perf-debuginfo - addressed in versions 5.10.0-265.0.0.167, 5.10.0-265.0.0.168
perf - addressed in versions 5.10.0-265.0.0.167, 5.10.0-265.0.0.168
kernel-tools-devel - addressed in versions 5.10.0-265.0.0.167, 5.10.0-265.0.0.168
kernel-tools-debuginfo - addressed in versions 5.10.0-265.0.0.167, 5.10.0-265.0.0.168
kernel-tools - addressed in versions 5.10.0-265.0.0.167, 5.10.0-265.0.0.168
kernel-source - addressed in versions 5.10.0-265.0.0.167, 5.10.0-265.0.0.168
kernel-headers - addressed in versions 5.10.0-265.0.0.167, 5.10.0-265.0.0.168
kernel-devel - addressed in versions 5.10.0-265.0.0.167, 5.10.0-265.0.0.168
kernel-debugsource - addressed in versions 5.10.0-265.0.0.167, 5.10.0-265.0.0.168
kernel-debuginfo - addressed in versions 5.10.0-265.0.0.167, 5.10.0-265.0.0.168
kernel - addressed in versions 5.10.0-265.0.0.167, 5.10.0-265.0.0.168
bpftool-debuginfo - update to 5.10.0-265.0.0.168
bpftool - update to 5.10.0-265.0.0.168

• https://bugzilla.redhat.com/show_bug.cgi?id=2127927

• Double free in Linux kernel
• openEuler 22.03 LTS SP4 update for kernel
• openEuler 22.03 LTS SP3 update for kernel