CVEvulnerability
CVE-2017-15951
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2017-10-28
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-20
Description
The KEYS subsystem in the Linux kernel before 4.13.10 does not correctly synchronize the actions of updating versus finding a key in the "negative" state to avoid a race condition, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls.
Affected configurations
• linux linux kernel (>= 4.4 < 4.4.95)
• linux linux kernel (>= 4.5 < 4.9.59)
• linux linux kernel (>= 4.10 < 4.13.10)
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=363b02dab09b3226f3bd1420dad9c72b79a42a76 Issue Tracking, Patch, Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.10 Release Notes, Vendor Advisory
- http://www.securityfocus.com/bid/101621 Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/363b02dab09b3226f3bd1420dad9c72b79a42a76 Issue Tracking, Patch, Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=363b02dab09b3226f3bd1420dad9c72b79a42a76 Issue Tracking, Patch, Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.10 Release Notes, Vendor Advisory
- http://www.securityfocus.com/bid/101621 Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/363b02dab09b3226f3bd1420dad9c72b79a42a76 Issue Tracking, Patch, Third Party Advisory