Use After Free in Linux Kernel
CVE-2023-5345
A use-after-free vulnerability in the Linux kernel's fs/smb/client component can be exploited to achieve local privilege escalation. In case of an error in smb3_fs_context_parse_param, ctx->password was freed but the field was not set to…
Vulnerability class: Use-After-Free
EPSS: 0.005 (37.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux Kernel — versions 0.0
- Linux Linux_kernel — versions 6.6
- Fedoraproject Fedora — versions 37, 38, 39
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve-coordination@google.com (Patch, Mailing List, patch)
- cve-coordination@google.com (Patch, Mailing List)
- cve-coordination@google.com (Mailing List)
- cve-coordination@google.com (Mailing List)
- cve-coordination@google.com (Mailing List)
- cve-coordination@google.com (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-5345?
- CVE-2023-5345 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2023-10-03.
- How severe is CVE-2023-5345?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2023-5345 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.