VulnerabilityModified
CVE-2017-9211
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…
MEDIUM 5.5EPSS 0.39%
Does this matter?
Lower severity and a low EPSS score (0.39%). Track it; it rarely justifies an emergency change on its own.
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 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.39% probability · 33th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- linux/linux kernel
- Source
- cve@mitre.org
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9933e113c2e87a9f46a40fde8dafbf801dca1ab9Patch
- https://github.com/torvalds/linux/commit/9933e113c2e87a9f46a40fde8dafbf801dca1ab9Patch
- https://patchwork.kernel.org/patch/9718933/Mailing List, Patch
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9933e113c2e87a9f46a40fde8dafbf801dca1ab9Patch
- https://github.com/torvalds/linux/commit/9933e113c2e87a9f46a40fde8dafbf801dca1ab9Patch
- https://patchwork.kernel.org/patch/9718933/Mailing List, Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.