Double Free in Linux Linux_kernel
CVE-2022-4744
A double-free flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user registers the device when the register_netdevice function fails (NETDEV_REGISTER notifier). This flaw allows a local user to crash or pote…
EPSS: 0.005 (36.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux Linux_kernel
- N/a Kernel — versions Linux kernel 5.16-rc7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Vendor Advisory)
- secalert@redhat.com (VDB Entry, Third Party Advisory)
- secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
- secalert@redhat.com (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-4744?
- CVE-2022-4744 is a high-severity vulnerability in Linux Linux_kernel, classified under CWE-460. CVSS score: 7.8/10. Published 2023-03-30.
- How severe is CVE-2022-4744?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2022-4744 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.