Use After Free in Linux Kernel
CVE-2022-1198
A use-after-free vulnerabilitity was discovered in drivers/net/hamradio/6pack.c of linux that allows an attacker to crash linux kernel by simulating ax25 device using 6pack driver from user space.
Vulnerability class: Use-After-Free
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (34.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Linux Kernel — versions 5.17
- Red Hat Enterprise Linux — versions 9.0
- Kernel — versions Fixed in kernel v5.17-rc6
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- www.openwall.com/lists/oss-security/2022/04/02/3 (Exploit, Mailing List, Third Party Advisory)
- github.com/torvalds/linux/commit/efe4186e6a1b54bf38b9e05450d43b0da1fd7739 (Exploit, Patch, Third Party Advisory)
- access.redhat.com/security/cve/CVE-2022-1198 (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-1198?
- CVE-2022-1198 is a medium-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 5.5/10. Published 2022-08-29.
- How severe is CVE-2022-1198?
- Medium severity. CVSS v3 base score is 5.5 out of 10.