| Name | CVE-2019-18198 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | jessie, jessie (lts) | 3.16.84-1 | fixed |
| stretch (security) | 4.9.320-2 | fixed | |
| stretch (lts), stretch | 4.9.320-3 | fixed | |
| buster (security), buster, buster (lts) | 4.19.316-1 | fixed | |
| bullseye | 5.10.223-1 | fixed | |
| bullseye (security) | 5.10.226-1 | fixed | |
| bookworm | 6.1.115-1 | fixed | |
| bookworm (security) | 6.1.119-1 | fixed | |
| trixie | 6.12.5-1 | fixed | |
| sid | 6.12.6-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | (unstable) | (not affected) |
- linux <not-affected> (Vulnerable code introduced later)
https://git.kernel.org/linus/ca7a03c4175366a92cee0ccc4fec0038c3266e26
https://launchpad.net/bugs/1847478