Vulnerability · Published Mar 25, 2022 · Assigned by redhat
CVE-2022-0435
High 8.8
In plain English
A high-severity out-of-bounds write in kernel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 67.8% (higher than 99.3% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Official description
A stack overflow flaw was found in the Linux kernel's TIPC protocol functionality in the way a user sends a packet with malicious content where the number of domain member nodes is higher than the 64 allowed. This flaw allows a remote user to crash the system or possibly escalate their privileges if they have access to the TIPC network.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-348.20.1.el8_5 | ALSA-2022:0825 |
| Debian:12 | linux | 5.16.10-1 | DEBIAN-CVE-2022-0435 |
| Debian:13 | linux | 5.16.10-1 | DEBIAN-CVE-2022-0435 |
| Debian:14 | linux | 5.16.10-1 | DEBIAN-CVE-2022-0435 |
| Rocky Linux:8 | kernel | 0:4.18.0-348.20.1.el8_5 | RLSA-2022:0825 |
| Rocky Linux:8 | kernel-rt | 0:4.18.0-348.20.1.rt7.150.el8_5 | RLSA-2022:0819 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2022-0435 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2022-0435 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-0435 |
Affected products (as reported)
Weakness: CWE-787