CVE-2025-22037 — NULL Pointer Dereference in Linux
Severity
5.5MEDIUMNVD
OSV5.9OSV3.2
EPSS
0.1%
top 66.05%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedApr 16
Latest updateMar 25
Description
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix null pointer dereference in alloc_preauth_hash()
The Client send malformed smb2 negotiate request. ksmbd return error
response. Subsequently, the client can send smb2 session setup even
thought conn->preauth_info is not allocated.
This patch add KSMBD_SESS_NEED_SETUP status of connection to ignore
session setup request if smb2 negotiate phase is not complete.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages7 packages
▶CVEListV5linux/linux0626e6641f6b467447c81dd7678a69c66f7746cf — cce57cd8c5dead24127cf2308fdd60fcad2d6ba6+5