CVE-2022-0168
Medium
Description
A denial of service (DOS) issue was found in the Linux kernel’s smb2_ioctl_query_info function in the fs/cifs/smb2ops.c Common Internet File System (CIFS) due to an incorrect return from the memdup_user function. This flaw allows a local, privileged (CAP_SYS_ADMIN) attacker to crash the system.
SeverityMedium
CVSS4.4
Exploit probability—
Product
Linux Kernel
PublishedAug 26, 2022
First seenAug 26, 2022
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- linux linux_kernel5.18 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 5.18 | 5.18 |
| redhat enterprise_linux | 8.0, 9.0 | — |
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