CVE-2017-9077 — HIGH (7.8) — White Hats Nepal

Q: How severe is CVE-2017-9077?

CVE-2017-9077 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2017-9077?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.

Vulnerability Description

The tcp_v6_syn_recv_sock function in net/ipv6/tcp_ipv6.c in the Linux kernel through 4.11.1 mishandles inheritance, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls, a related issue to CVE-2017-8890.

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Linux	Linux Kernel	< 3.2.89

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=83eaddPatchVendor Advisory
http://www.debian.org/security/2017/dsa-3886Third Party Advisory
http://www.securityfocus.com/bid/98583Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2017:1842Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2077Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2669Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1854Third Party Advisory
https://github.com/torvalds/linux/commit/83eaddab4378db256d00d295bda6ca997cd13a5PatchVendor Advisory
https://patchwork.ozlabs.org/patch/760370/PatchThird Party Advisory
https://source.android.com/security/bulletin/2017-11-01Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=83eaddPatchVendor Advisory
http://www.debian.org/security/2017/dsa-3886Third Party Advisory
http://www.securityfocus.com/bid/98583Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2017:1842Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2077Third Party Advisory

FAQ

What is CVE-2017-9077?

CVE-2017-9077 is a vulnerability with a CVSS score of 7.8 (HIGH). The tcp_v6_syn_recv_sock function in net/ipv6/tcp_ipv6.c in the Linux kernel through 4.11.1 mishandles inheritance, which allows local users to cause a denial of service or possibly have unspecified o...

How severe is CVE-2017-9077?

CVE-2017-9077 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-9077?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.