CVE-2022-3646

2022-10-2100:00:00

ubuntu.com

linux kernel

nilfs_attach_log_writer

bpf

memory leak

remote attack

patch

vdb-211961

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

EPSS

0.002

Percentile

52.0%

JSON

A vulnerability, which was classified as problematic, has been found in
Linux Kernel. This issue affects the function nilfs_attach_log_writer of
the file fs/nilfs2/segment.c of the component BPF. The manipulation leads
to memory leak. The attack may be initiated remotely. It is recommended to
apply a patch to fix this issue. The identifier VDB-211961 was assigned to
this vulnerability.

Notes

Author	Note
rodrigo-zaiden	USN-5975-1 first publication included esm/xenial linux-gcp version 4.15.0-1146.162~16.04.1 by mistake, please refer to USN-6007-1.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-204.215UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-136.153UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-57.63UNKNOWN
ubuntu22.10noarchlinux< 5.19.0-28.29UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-239.273UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1150.163UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1093.101UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1027.31UNKNOWN
ubuntu22.10noarchlinux-aws< 5.19.0-1016.17UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1117.123UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< 4.15.0-204.215	UNKNOWN
ubuntu	20.04	noarch	linux	< 5.4.0-136.153	UNKNOWN
ubuntu	22.04	noarch	linux	< 5.15.0-57.63	UNKNOWN
ubuntu	22.10	noarch	linux	< 5.19.0-28.29	UNKNOWN
ubuntu	16.04	noarch	linux	< 4.4.0-239.273	UNKNOWN
ubuntu	18.04	noarch	linux-aws	< 4.15.0-1150.163	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1093.101	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< 5.15.0-1027.31	UNKNOWN
ubuntu	22.10	noarch	linux-aws	< 5.19.0-1016.17	UNKNOWN
ubuntu	14.04	noarch	linux-aws	< 4.4.0-1117.123	UNKNOWN