CVE-2023-1192
Last modified
CVE-2023-1192 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A use-after-free flaw was found in smb2_is_status_io_timeout() in CIFS in the Linux Kernel. After CIFS transfers response data to a system call, there are still local variable points to the memory region, and if the system call frees it faster than CIFS uses it, CIFS will access a free memory region, leading to a denial of service.. EPSS estimates a 1.09% chance of exploitation in the next 30 days.
Description
A use-after-free flaw was found in smb2_is_status_io_timeout() in CIFS in the Linux Kernel. After CIFS transfers response data to a system call, there are still local variable points to the memory region, and if the system call frees it faster than CIFS uses it, CIFS will access a free memory region, leading to a denial of service.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 6.4 |
| Redhat | Enterprise Linux | 8.0 |
| Redhat | Enterprise Linux | 9.0 |
References
- https://access.redhat.com/security/cve/CVE-2023-1192Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2154178Issue Tracking
- https://access.redhat.com/security/cve/CVE-2023-1192Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2154178Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Modified
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