Vulnerability Details : CVE-2017-6353
net/sctp/socket.c in the Linux kernel through 4.10.1 does not properly restrict association peel-off operations during certain wait states, which allows local users to cause a denial of service (invalid unlock and double free) via a multithreaded application. NOTE: this vulnerability exists because of an incorrect fix for CVE-2017-5986.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2017-6353
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-6353
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-2017-6353
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:N/A:C |
3.9
|
6.9
|
NIST | |
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2017-6353
-
The product calls free() twice on the same memory address.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-6353
-
http://www.openwall.com/lists/oss-security/2017/02/27/2
oss-security - Linux: CVE-2017-6353: sctp: deny peeloff operation on asocs with threads sleeping on itMailing List;Patch;Third Party Advisory
-
http://www.debian.org/security/2017/dsa-3804
Debian -- Security Information -- DSA-3804-1 linux
-
https://github.com/torvalds/linux/commit/dfcb9f4f99f1e9a49e43398a7bfbf56927544af1
sctp: deny peeloff operation on asocs with threads sleeping on it · torvalds/linux@dfcb9f4 · GitHubPatch;Third Party Advisory
-
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dfcb9f4f99f1e9a49e43398a7bfbf56927544af1
kernel/git/torvalds/linux.git - Linux kernel source treePatch;Third Party Advisory
-
http://www.securityfocus.com/bid/96473
Linux Kernel CVE-2017-6353 Incomplete Fix Local Denial of Service Vulnerability
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