CVE-2019-18198

Current 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.

Basic Data

PublishedOctober 18, 2019
Last ModifiedOctober 31, 2019
Assignercve@mitre.org
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeCWE-772
CVE Data Version4.0

Base Metric V2

CVSS 2 - Version2.0
CVSS 2 - Vector StringAV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS 2 - Access VectorLOCAL
CVSS 2 - Access ComplexityLOW
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactCOMPLETE
CVSS 2 - Availability ImpactCOMPLETE
CVSS 2 - Base Score7.2
SeverityHIGH
Exploitability Score3.9
Impact Score10.0
Obtain All Privilegefalse
Obtain User Privilegefalse
Obtain Other Privilegefalse

Base Metric V3

No data provided.

Configurations

  • OR - Configuration 1
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3OSLinuxLinux Kernel********5.3.4
  • OR - Configuration 2
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3OSCanonicalUbuntu Linux19.10*******

Vulnerable Software List

VendorProductVersions
Canonical Ubuntu Linux 19.10
Linux Linux Kernel *

References

NameSourceURLTags
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.4https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.4MISCRelease Notes Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca7a03c4175366a92cee0ccc4fec0038c3266e26https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca7a03c4175366a92cee0ccc4MISCPatch Vendor Advisory
https://github.com/torvalds/linux/commit/ca7a03c4175366a92cee0ccc4fec0038c3266e26https://github.com/torvalds/linux/commit/ca7a03c4175366a92cee0ccc4fec0038c3266e26MISCPatch Third Party Advisory
https://launchpad.net/bugs/1847478https://launchpad.net/bugs/1847478MISCExploit Issue Tracking Third Party Advisory
https://security.netapp.com/advisory/ntap-20191031-0005/https://security.netapp.com/advisory/ntap-20191031-0005/CONFIRM
USN-4161-1https://usn.ubuntu.com/4161-1/UBUNTUThird Party Advisory