Use After Free in Linux Kernel
CVE-2022-1195
A use-after-free vulnerability was found in the Linux kernel in drivers/net/hamradio. This flaw allows a local attacker with a user privilege to cause a denial of service (DOS) when the mkiss or sixpack device is detached and reclaim resources early.
Vulnerability class: Race Condition
EPSS: 0.002 (13.9th percentile) — read the EPSS interpretation.
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.
Affected products
- Linux Linux_kernel — versions 5.16
- Debian Debian_linux — versions 10.0, 11.0
- N/a Kernel — versions kernel 5.16 rc1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Patch, Mailing List, x_refsource_MISC, Vendor Advisory)
- secalert@redhat.com (Patch, Mailing List, x_refsource_MISC, Vendor Advisory)
- secalert@redhat.com (Patch, Mailing List, x_refsource_MISC, Vendor Advisory)
- secalert@redhat.com (Patch, Mailing List, x_refsource_MISC, Vendor Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
Frequently asked questions
- What is CVE-2022-1195?
- CVE-2022-1195 is a medium-severity vulnerability in Linux Kernel, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 5.5/10. Published 2022-04-29.
- How severe is CVE-2022-1195?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-1195 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.