CVE-2017-16525
What it is
The usb_serial_console_disconnect function in drivers/usb/serial/console.c in the Linux kernel before 4.13.8 allows local users to cause a denial of service (use-after-free and system crash) or possibly have unspecified other impact via a crafted USB device, related to disconnection and failed setup.
At a glance
- Exploitability
- Can be exploited with physical access with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.4% 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: 0.4% in the next 30 days (EPSS).
- Severity: 6.6 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.4% · EPSS, next 30 days
- Weakness
- CWE-416 · Use after free
- Record status
- Modified
Affected
- Linux Kernel < 3.2.96
- Linux Kernel < 3.10.108
- Linux Kernel < 3.16.51
- Linux Kernel < 3.18.76
- Linux Kernel < 4.1.46
- Linux Kernel < 4.4.93
- Linux Kernel < 4.9.57
- Linux Kernel < 4.13.8
Attack profile CVSS 3.1 · 6.6
- Attack vector
- Physical
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:P/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-2017-16525.md and follow it. Check whether this project is affected by CVE-2017-16525. 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
- https://github.com/torvalds/linux/commit/299d7572e46f98534033a9e65973f13ad1ce9047
- https://github.com/torvalds/linux/commit/bd998c2e0df0469707503023d50d46cf0b10c787
- https://github.com/torvalds/linux/commit/299d7572e46f98534033a9e65973f13ad1ce9047
- https://github.com/torvalds/linux/commit/bd998c2e0df0469707503023d50d46cf0b10c787
References
- http://www.securityfocus.com/bid/102028
- https://github.com/torvalds/linux/commit/299d7572e46f98534033a9e65973f13ad1ce9047
- https://github.com/torvalds/linux/commit/bd998c2e0df0469707503023d50d46cf0b10c787
- https://groups.google.com/d/msg/syzkaller/cMACrmo1x0k/4KhRoUgABAAJ
- https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
- https://usn.ubuntu.com/3583-1/
- https://usn.ubuntu.com/3583-2/
- http://www.securityfocus.com/bid/102028
- https://github.com/torvalds/linux/commit/299d7572e46f98534033a9e65973f13ad1ce9047
- https://github.com/torvalds/linux/commit/bd998c2e0df0469707503023d50d46cf0b10c787
- https://groups.google.com/d/msg/syzkaller/cMACrmo1x0k/4KhRoUgABAAJ
- https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
- https://usn.ubuntu.com/3583-1/
- https://usn.ubuntu.com/3583-2/