CVE-2017-9077
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.7% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.7% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.7% · EPSS, next 30 days
- Record status
- Modified
Affected
- Linux Kernel < 3.2.89
- Linux Kernel < 3.16.44
- Linux Kernel < 3.18.84
- Linux Kernel < 4.4.71
- Linux Kernel < 4.9.31
- Linux Kernel < 4.11.4
Attack profile CVSS 3.1 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2017-9077.md and follow it. Check whether this project is affected by CVE-2017-9077. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=83eaddab4378db256d00d295bda6ca997cd13a52
- https://github.com/torvalds/linux/commit/83eaddab4378db256d00d295bda6ca997cd13a52
- https://patchwork.ozlabs.org/patch/760370/
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=83eaddab4378db256d00d295bda6ca997cd13a52
- https://github.com/torvalds/linux/commit/83eaddab4378db256d00d295bda6ca997cd13a52
- https://patchwork.ozlabs.org/patch/760370/
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=83eaddab4378db256d00d295bda6ca997cd13a52
- http://www.debian.org/security/2017/dsa-3886
- http://www.securityfocus.com/bid/98583
- https://access.redhat.com/errata/RHSA-2017:1842
- https://access.redhat.com/errata/RHSA-2017:2077
- https://access.redhat.com/errata/RHSA-2017:2669
- https://access.redhat.com/errata/RHSA-2018:1854
- https://github.com/torvalds/linux/commit/83eaddab4378db256d00d295bda6ca997cd13a52
- https://patchwork.ozlabs.org/patch/760370/
- https://source.android.com/security/bulletin/2017-11-01
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=83eaddab4378db256d00d295bda6ca997cd13a52
- http://www.debian.org/security/2017/dsa-3886
- http://www.securityfocus.com/bid/98583
- https://access.redhat.com/errata/RHSA-2017:1842
- https://access.redhat.com/errata/RHSA-2017:2077
- https://access.redhat.com/errata/RHSA-2017:2669
- https://access.redhat.com/errata/RHSA-2018:1854
- https://github.com/torvalds/linux/commit/83eaddab4378db256d00d295bda6ca997cd13a52
- https://patchwork.ozlabs.org/patch/760370/
- https://source.android.com/security/bulletin/2017-11-01