CVE-2017-15649
net/packet/af_packet.c in the Linux kernel before 4.13.6 allows local users to gain privileges via crafted system calls that trigger mishandling of packet_fanout data structures, because of a race condition (involving fanout_add and packet_do_bind) that…
Does this matter?
A public exploit is published in Exploit-DB and the impact is high, while EPSS rates exploitation at 1.0%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
Description
net/packet/af_packet.c in the Linux kernel before 4.13.6 allows local users to gain privileges via crafted system calls that trigger mishandling of packet_fanout data structures, because of a race condition (involving fanout_add and packet_do_bind) that leads to a use-after-free, a different vulnerability than CVE-2017-6346.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.96% probability · 61th percentile
- Public exploits
- 1 in Exploit-DB · first 17 October 2017
- CISA KEV
- Not listed
- Weakness
- CWE-362
- Affected
- linux/linux kernel
- Source
- cve@mitre.org
EPSS 1.0% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=008ba2a13f2d04c947adc536d19debb8fe66f110Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4971613c1639d8e5f102c4e797c3bf8f83a5a69eThird Party Advisory
- http://patchwork.ozlabs.org/patch/813945/Issue Tracking, Third Party Advisory
- http://patchwork.ozlabs.org/patch/818726/Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.6Exploit, Third Party Advisory
- http://www.securityfocus.com/bid/101573Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:0151
- https://access.redhat.com/errata/RHSA-2018:0152
- https://access.redhat.com/errata/RHSA-2018:0181
- https://blogs.securiteam.com/index.php/archives/3484Third Party Advisory
- https://github.com/torvalds/linux/commit/008ba2a13f2d04c947adc536d19debb8fe66f110Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/4971613c1639d8e5f102c4e797c3bf8f83a5a69ePatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
- https://usn.ubuntu.com/3754-1/
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=008ba2a13f2d04c947adc536d19debb8fe66f110Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4971613c1639d8e5f102c4e797c3bf8f83a5a69eThird Party Advisory
- http://patchwork.ozlabs.org/patch/813945/Issue Tracking, Third Party Advisory
- http://patchwork.ozlabs.org/patch/818726/Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.6Exploit, Third Party Advisory
- http://www.securityfocus.com/bid/101573Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:0151
- https://access.redhat.com/errata/RHSA-2018:0152
- https://access.redhat.com/errata/RHSA-2018:0181
- https://blogs.securiteam.com/index.php/archives/3484Third Party Advisory
- https://github.com/torvalds/linux/commit/008ba2a13f2d04c947adc536d19debb8fe66f110Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/4971613c1639d8e5f102c4e797c3bf8f83a5a69ePatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
- https://usn.ubuntu.com/3754-1/
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.