Vulnerability Details : CVE-2016-4568
drivers/media/v4l2-core/videobuf2-v4l2.c in the Linux kernel before 4.5.3 allows local users to cause a denial of service (kernel memory write operation) or possibly have unspecified other impact via a crafted number of planes in a VIDIOC_DQBUF ioctl call.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2016-4568
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-4568
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-4568
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2016-4568
-
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.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-4568
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http://www.openwall.com/lists/oss-security/2016/05/07/4
oss-security - CVE Request: Linux: [media] videobuf2-v4l2: Verify planes array in buffer dequeueingMailing List;Third Party Advisory
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http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.3
Vendor Advisory
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https://github.com/torvalds/linux/commit/2c1f6951a8a82e6de0d82b1158b5e493fc6c54ab
[media] videobuf2-v4l2: Verify planes array in buffer dequeueing · torvalds/linux@2c1f695 · GitHubVendor Advisory
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https://bugzilla.redhat.com/show_bug.cgi?id=1334316
1334316 – (CVE-2016-4568) CVE-2016-4568 kernel: videobuf2-v412: Planes array amount not verified in buffer dequeueingIssue Tracking
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http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2c1f6951a8a82e6de0d82b1158b5e493fc6c54ab
kernel/git/torvalds/linux.git - Linux kernel source treeVendor Advisory
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