CVE-2017-8064
Vulnerability Summary
Timeline
Description
drivers/media/usb/dvb-usb-v2/dvb_usb_core.c in the Linux kernel 4.9.x and 4.10.x before 4.10.12 interacts incorrectly with the CONFIG_VMAP_STACK option, which allows local users to cause a denial of service (system crash or memory corruption) or possibly have unspecified other impact by leveraging use of more than one virtual page for a DMA scatterlist.
CVSS Metrics
- v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- v2.0•HIGH•Score: 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C
EPSS Trends
Current EPSS score: 0.36%• Percentile: 29%
Techniques & Countermeasures
- CWE-119•Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
Affected Systems
- debian•linux
< 4.9.25-1 | < 4.9.25-1 | < 4.9.25-1 | < 4.9.25-1
- debian•debian_linux
8.0 | 9.0
- linux•linux_kernel
≥ 4.9, < 4.9.24 | ≥ 4.10, < 4.10.12
References (7)
- http://www.securityfocus.com/bid/97975
- http://www.openwall.com/lists/oss-security/2017/04/16/4
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=005145378c9ad7575a01b6ce1ba118fb427f583a
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.12
- http://www.debian.org/security/2017/dsa-3886
- https://github.com/torvalds/linux/commit/005145378c9ad7575a01b6ce1ba118fb427f583a
- https://security-tracker.debian.org/tracker/CVE-2017-8064