Vulnerability Description
The crypto_skcipher_init_tfm function in crypto/skcipher.c in the Linux kernel through 4.11.2 relies on a setkey function that lacks a key-size check, which allows local users to cause a denial of service (NULL pointer dereference) via a crafted application.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.11.2 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9933e1Patch
- https://github.com/torvalds/linux/commit/9933e113c2e87a9f46a40fde8dafbf801dca1abPatch
- https://patchwork.kernel.org/patch/9718933/Mailing ListPatch
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9933e1Patch
- https://github.com/torvalds/linux/commit/9933e113c2e87a9f46a40fde8dafbf801dca1abPatch
- https://patchwork.kernel.org/patch/9718933/Mailing ListPatch
FAQ
What is CVE-2017-9211?
CVE-2017-9211 is a vulnerability with a CVSS score of 5.5 (MEDIUM). The crypto_skcipher_init_tfm function in crypto/skcipher.c in the Linux kernel through 4.11.2 relies on a setkey function that lacks a key-size check, which allows local users to cause a denial of ser...
How severe is CVE-2017-9211?
CVE-2017-9211 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-9211?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.