Vulnerability Details : CVE-2017-16996
kernel/bpf/verifier.c in the Linux kernel through 4.14.8 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging register truncation mishandling.
Vulnerability category: OverflowMemory CorruptionDenial of service
Products affected by CVE-2017-16996
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-16996
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 29 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-16996
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-2017-16996
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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-2017-16996
-
http://openwall.com/lists/oss-security/2017/12/21/2
oss-security - Linux >=4.9: eBPF memory corruption bugsIssue Tracking;Mailing List;Third Party Advisory
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https://github.com/torvalds/linux/commit/0c17d1d2c61936401f4702e1846e2c19b200f958
bpf: fix incorrect tracking of register size truncation · torvalds/linux@0c17d1d · GitHubPatch;Vendor Advisory
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http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0c17d1d2c61936401f4702e1846e2c19b200f958
kernel/git/torvalds/linux.git - Linux kernel source treeIssue Tracking;Patch;Vendor Advisory
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http://www.securityfocus.com/bid/102267
Linux Kernel CVE-2017-16996 Local Memory Corruption VulnerabilityThird Party Advisory;VDB Entry
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https://bugs.chromium.org/p/project-zero/issues/detail?id=1454
1454 - arbitrary read+write via incorrect range tracking in eBPF - project-zero - MonorailThird Party Advisory
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