Vulnerability identifier: #VU70485
Vulnerability risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-125
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor:
Description
The vulnerability allows a remote user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in smb2_write in fs/ksmbd/smb2pdu.c. A remote user can trigger an out-of-bounds read error and read contents of memory on the system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
External links
http://github.com/torvalds/linux/commit/158a66b245739e15858de42c0ba60fcf3de9b8e6
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=158a66b245739e15858de42c0ba60fcf3de9b8e6
http://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18
http://www.openwall.com/lists/oss-security/2022/12/23/10
http://www.zerodayinitiative.com/advisories/ZDI-22-1691/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.