Vulnerability Description
udp_gro_receive_segment in net/ipv4/udp_offload.c in the Linux kernel 5.x before 5.0.13 allows remote attackers to cause a denial of service (slab-out-of-bounds memory corruption) or possibly have unspecified other impact via UDP packets with a 0 payload, because of mishandling of padded packets, aka the "GRO packet of death" issue.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.0, < 5.0.13 |
| Canonical | Ubuntu Linux | 19.04 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2019/05/02/1Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2019/05/05/4Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/108142Third Party AdvisoryVDB Entry
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.13Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=4dd2b82Issue TrackingPatchVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.netapp.com/advisory/ntap-20190517-0002/Third Party Advisory
- https://support.f5.com/csp/article/K69550896Third Party Advisory
- https://usn.ubuntu.com/3979-1/Third Party Advisory
- https://www.spinics.net/lists/netdev/msg568315.htmlIssue TrackingPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2019/05/02/1Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2019/05/05/4Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/108142Third Party AdvisoryVDB Entry
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.13Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=4dd2b82Issue TrackingPatchVendor Advisory
FAQ
What is CVE-2019-11683?
CVE-2019-11683 is a vulnerability with a CVSS score of 9.8 (CRITICAL). udp_gro_receive_segment in net/ipv4/udp_offload.c in the Linux kernel 5.x before 5.0.13 allows remote attackers to cause a denial of service (slab-out-of-bounds memory corruption) or possibly have uns...
How severe is CVE-2019-11683?
CVE-2019-11683 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2019-11683?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux.