Vulnerability Description
iproute2 before 5.1.0 has a use-after-free in get_netnsid_from_name in ip/ipnetns.c. NOTE: security relevance may be limited to certain uses of setuid that, although not a default, are sometimes a configuration option offered to end users. Even when setuid is used, other factors (such as C library configuration) may block exploitability.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Iproute2 Project | Iproute2 | < 5.1.0 |
| Canonical | Ubuntu Linux | 18.04 |
Related Weaknesses (CWE)
References
- https://bugzilla.suse.com/show_bug.cgi?id=1171452Issue TrackingThird Party Advisory
- https://git.kernel.org/pub/scm/network/iproute2/iproute2.git/commit/?id=9bf2c538PatchThird Party Advisory
- https://security.gentoo.org/glsa/202008-06Third Party Advisory
- https://usn.ubuntu.com/4357-1/Third Party Advisory
- https://bugzilla.suse.com/show_bug.cgi?id=1171452Issue TrackingThird Party Advisory
- https://git.kernel.org/pub/scm/network/iproute2/iproute2.git/commit/?id=9bf2c538PatchThird Party Advisory
- https://security.gentoo.org/glsa/202008-06Third Party Advisory
- https://usn.ubuntu.com/4357-1/Third Party Advisory
FAQ
What is CVE-2019-20795?
CVE-2019-20795 is a vulnerability with a CVSS score of 4.4 (MEDIUM). iproute2 before 5.1.0 has a use-after-free in get_netnsid_from_name in ip/ipnetns.c. NOTE: security relevance may be limited to certain uses of setuid that, although not a default, are sometimes a con...
How severe is CVE-2019-20795?
CVE-2019-20795 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-20795?
Check the references section above for vendor advisories and patch information. Affected products include: Iproute2 Project Iproute2, Canonical Ubuntu Linux.