CVE-2017-6353

Severity: medium (CVSS 5.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-03-01 · updated 2026-06-17
Weakness: CWE-415

Description

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.

Affected products

Linux kernel: through 4.10

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dfcb9f4f99f1e9a49e43398a7bfbf56927544af1
http://www.debian.org/security/2017/dsa-3804
http://www.openwall.com/lists/oss-security/2017/02/27/2
http://www.securityfocus.com/bid/96473
https://github.com/torvalds/linux/commit/dfcb9f4f99f1e9a49e43398a7bfbf56927544af1
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dfcb9f4f99f1e9a49e43398a7bfbf56927544af1
http://www.debian.org/security/2017/dsa-3804
http://www.openwall.com/lists/oss-security/2017/02/27/2
http://www.securityfocus.com/bid/96473
https://github.com/torvalds/linux/commit/dfcb9f4f99f1e9a49e43398a7bfbf56927544af1

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