Use After Free in Linux Kernel
CVE-2022-41858
A flaw was found in the Linux kernel. A NULL pointer dereference may occur while a slip driver is in progress to detach in sl_tx_timeout in drivers/net/slip/slip.c. This issue could allow an attacker to crash the system or leak internal kernel information.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (21.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Linux Kernel
- NetApp Hci Baseboard Management Controller — versions h300s, h410c, h410s
- Linux Kernel
Weakness classification (CWE)
References
- github.com/torvalds/linux/commit/ec4eb8a86ade4d22633e1da2a7d85a846b7d1798 (Patch, Third Party Advisory)
- security.netapp.com/advisory/ntap-20230223-0006/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-41858?
- CVE-2022-41858 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.1/10. Published 2023-01-17.
- How severe is CVE-2022-41858?
- High severity. CVSS v3 base score is 7.1 out of 10.