CVE-2022-3621

MEDIUM4.3

Linux Kernel nilfs2 inode.c nilfs_bmap_lookup_at_level null pointer dereference

Published Oct 20, 2022

Modified 9 months ago

Details

A vulnerability was found in Linux Kernel. It has been classified as problematic. Affected is the function nilfs_bmap_lookup_at_level of the file fs/nilfs2/inode.c of the component nilfs2. The manipulation leads to null pointer dereference. It is possible to launch the attack remotely. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211920.

References

WEBhttps://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=21a87d88c2253350e115029f14fe2a10a7e6c856 WEBhttps://lists.debian.org/debian-lts-announce/2022/11/msg00001.html WEBhttps://lists.debian.org/debian-lts-announce/2022/12/msg00034.html WEBhttps://vuldb.com/?id.211920 ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2022-3621

CVSS Analysis

CVSS v3.1

4.3

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

LowA:L

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

Weakness Type (CWE)

Resource Management

CWE-404

Improper Resource Shutdown

Ecosystems

Timeline

PublishedOct 20, 2022

ModifiedApr 15, 2025