CVE-2022-48673 is a use-after-free vulnerability in the Linux kernel's net/smc component, specifically affecting the linux_kernel product. The flaw occurs when the system attempts to access freed memory in a tasklet context after modifying a Queue Pair (QP) to an Error state without waiting for all RX WR completions. This can lead to a system crash, as demonstrated by the provided page fault example. The vulnerability has a CVSS v3.1 score of 5.5 (Medium), indicating a local attack vector with low attack complexity. A successful exploit could lead to high availability impact (system crash) but no confidentiality or integrity impact. It is categorized as CWE-755 (Improper Handling of Exceptional Conditions). Currently, there is no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. Community discussion and media coverage for this CVE are minimal, suggesting low public attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.11, < 5.19.9CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.