VulnerabilityModified
CVE-2022-4744
This flaw allows a local user to crash or potentially escalate their privileges on the system.
HIGH 7.8EPSS 0.46%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.46%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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 potentially escalate their privileges on the system.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.46% probability · 39th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-460, CWE-415
- Affected
- linux/linux kernel
- Source
- secalert@redhat.com
References
- http://packetstormsecurity.com/files/171912/CentOS-Stream-9-Missing-Kernel-Security-Fix.htmlThird Party Advisory, VDB Entry
- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=158b515f703eVendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230526-0009/Third Party Advisory
- http://packetstormsecurity.com/files/171912/CentOS-Stream-9-Missing-Kernel-Security-Fix.htmlThird Party Advisory, VDB Entry
- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=158b515f703eVendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230526-0009/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.