CVE-2023-5345 is a use-after-free vulnerability in the Linux kernel's SMB client component, specifically affecting Fedora and Linux kernel versions. This flaw allows a local attacker to achieve privilege escalation due to a double-free condition in smb3_fs_context_parse_param. It carries a high CVSS score of 7.8, indicating a low-complexity attack that can lead to complete compromise of confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 0.0, < 6.6CPE match | cpe:2.3:a:linux:kernel:*:*:*:*:*:*:*:* | ||
>= 6.0.16, < 6.1.56CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.2, < 6.5.6CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
6.6CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.6:rc1:*:*:*:*:*:* | ||
6.6CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.6:rc2:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.