CVE-2019-18198
High
Description
In the Linux kernel before 5.3.4, a reference count usage error in the fib6_rule_suppress() function in the fib6 suppression feature of net/ipv6/fib6_rules.c, when handling the FIB_LOOKUP_NOREF flag, can be exploited by a local attacker to corrupt memory, aka CID-ca7a03c41753.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedOct 18, 2019
First seenOct 18, 2019
How to fix
Update
- linux linux_kernel5.3.4 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.3 ≤ v < 5.3.4 | 5.3.4 |
| canonical ubuntu_linux | 19.10 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.