CVE-2017-14497
What it is
The tpacket_rcv function in net/packet/af_packet.c in the Linux kernel before 4.13 mishandles vnet headers, which might allow local users to cause a denial of service (buffer overflow, and disk and memory corruption) or possibly have unspecified other impact via crafted system calls.
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
- 0.6% 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: 0.6% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.6% · EPSS, next 30 days
- Weakness
- CWE-119 · Buffer errors
- Record status
- Modified
Affected
- Linux Kernel < 4.9.51
- Linux Kernel < 4.12.14
- Debian Linux 8.0
- Debian Linux 9.0
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-2017-14497.md and follow it. Check whether this project is affected by CVE-2017-14497. 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=edbd58be15a957f6a760c4a514cd475217eb97fd
- https://bugzilla.redhat.com/show_bug.cgi?id=1492593
- https://github.com/torvalds/linux/commit/edbd58be15a957f6a760c4a514cd475217eb97fd
- https://marc.info/?l=linux-kernel&m=150394500728906&w=2
- https://marc.info/?t=150394517700001&r=1&w=2
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=edbd58be15a957f6a760c4a514cd475217eb97fd
- https://bugzilla.redhat.com/show_bug.cgi?id=1492593
- https://github.com/torvalds/linux/commit/edbd58be15a957f6a760c4a514cd475217eb97fd
- https://marc.info/?l=linux-kernel&m=150394500728906&w=2
- https://marc.info/?t=150394517700001&r=1&w=2
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=edbd58be15a957f6a760c4a514cd475217eb97fd
- http://seclists.org/oss-sec/2017/q3/476
- http://www.debian.org/security/2017/dsa-3981
- http://www.securityfocus.com/bid/100871
- http://www.securitytracker.com/id/1039371
- http://www.securitytracker.com/id/1040106
- https://bugzilla.redhat.com/show_bug.cgi?id=1492593
- https://github.com/torvalds/linux/commit/edbd58be15a957f6a760c4a514cd475217eb97fd
- https://marc.info/?l=linux-kernel&m=150394500728906&w=2
- https://marc.info/?t=150394517700001&r=1&w=2
- https://source.android.com/security/bulletin/2018-01-01
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=edbd58be15a957f6a760c4a514cd475217eb97fd
- http://seclists.org/oss-sec/2017/q3/476
- http://www.debian.org/security/2017/dsa-3981
- http://www.securityfocus.com/bid/100871
- http://www.securitytracker.com/id/1039371
- http://www.securitytracker.com/id/1040106
- https://bugzilla.redhat.com/show_bug.cgi?id=1492593
- https://github.com/torvalds/linux/commit/edbd58be15a957f6a760c4a514cd475217eb97fd
- https://marc.info/?l=linux-kernel&m=150394500728906&w=2
- https://marc.info/?t=150394517700001&r=1&w=2
- https://source.android.com/security/bulletin/2018-01-01