CVE-2019-18198

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Summary

CVECVE-2019-18198
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-10-18 22:15:00 UTC
Updated2023-01-20 18:48:00 UTC
DescriptionIn 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.

Risk And Classification

Problem Types: CWE-772

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 19.10 All All All
Operating System Canonical Ubuntu Linux 19.10 All All All
Operating System Linux Linux Kernel All All All All
Operating System Linux Linux Kernel All All All All

References

ReferenceSourceLinkTags
ipv6: do not free rt if FIB_LOOKUP_NOREF is set on suppress rule · torvalds/linux@ca7a03c · GitHub MISC github.com Patch, Third Party Advisory
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.4 MISC cdn.kernel.org Release Notes, Vendor Advisory
USN-4161-1: Linux kernel vulnerability | Ubuntu security notices UBUNTU usn.ubuntu.com Third Party Advisory
Bug #1847478 “eoan kernel does not contain “ipv6: do not free rt...” : Bugs : linux package : Ubuntu MISC launchpad.net Exploit, Issue Tracking, Third Party Advisory
October 2019 Linux Kernel Vulnerabilities in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
kernel/git/torvalds/linux.git - Linux kernel source tree MISC git.kernel.org Patch, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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