Use After Free in Linux Kernel
CVE-2023-1195
A use-after-free flaw was found in reconn_set_ipaddr_from_hostname in fs/cifs/connect.c in the Linux kernel. The issue occurs when it forgets to set the free pointer server->hostname to NULL, leading to an invalid pointer request.
Vulnerability class: Use-After-Free
EPSS: 0.002 (11.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux Linux_kernel — versions 6.1
- N/a Kernel — versions prior to kernel 6.1 rc3
Weakness classification (CWE)
References
- secalert@redhat.com (Patch)
Frequently asked questions
- What is CVE-2023-1195?
- CVE-2023-1195 is a medium-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 5.5/10. Published 2023-05-18.
- How severe is CVE-2023-1195?
- Medium severity. CVSS v3 base score is 5.5 out of 10.