CVE-2016-8645 - Improper Access Control

Severity

49%

Complexity

39%

Confidentiality

115%

The TCP stack in the Linux kernel before 4.8.10 mishandles skb truncation, which allows local users to cause a denial of service (system crash) via a crafted application that makes sendto system calls, related to net/ipv4/tcp_ipv4.c and net/ipv6/tcp_ipv6.c.

CVSS 3.0 Base Score 5.5. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

CVSS 2.0 Base Score 4.9. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C).

Overview

First reported 8 years ago

2016-11-28 03:59:00

Last updated 7 years ago

2018-01-05 02:31:00

Affected Software

Linux Kernel

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac6e780070e30e4c35bd395acfe9191e6268bdd3

Issue Tracking, Patch, Vendor Advisory

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.10

Release Notes

[oss-security] 20161111 CVE-2016-8645: linux kernel: net: a BUG() statement can be hit in net/ipv4/tcp_input.c

Mailing List, Third Party Advisory

[oss-security] 20161130 Re: CVE-2016-8645: linux kernel: net: a BUG() statement can be hit in net/ipv4/tcp_input.c

94264

Third Party Advisory, VDB Entry

1037285

RHSA-2017:1842

RHSA-2017:2077

RHSA-2017:2669

https://bugzilla.redhat.com/show_bug.cgi?id=1393904

Issue Tracking

https://github.com/torvalds/linux/commit/ac6e780070e30e4c35bd395acfe9191e6268bdd3

Issue Tracking, Patch, Third Party Advisory

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