CVE-2017-2671
CVE-2017-2671
The ping_unhash function in net/ipv4/ping.c in the Linux kernel through 4.10.8 is too late in obtaining a certain lock and consequently cannot ensure that disconnect function calls are safe, which allows local users to cause a denial of service (panic) by leveraging access to the protocol value of IPPROTO_ICMP in a socket system call.
Affected products
n/a · n/apublic PoCs found — 3
githubgithub.com/homjxi0e/CVE-2017-2671★ 0cve_referencewww.exploit-db.com/exploits/42135/unverifiedexploitdbwww.exploit-db.com/exploits/42135unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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http://openwall.com/lists/oss-security/2017/04/04/8https://access.redhat.com/errata/RHSA-2017:1842https://access.redhat.com/errata/RHSA-2017:2077https://access.redhat.com/errata/RHSA-2017:2669https://access.redhat.com/errata/RHSA-2018:1854https://github.com/danieljiang0415/android_kernel_crash_pochttps://github.com/torvalds/linux/commit/43a6684519ab0a6c52024b5e25322476cabad893https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/net/ipv4/ping.c?id=43a6684519ab0a6c52024b5e25322476cabad893https://twitter.com/danieljiang0415/status/845116665184497664https://usn.ubuntu.com/3754-1/https://www.exploit-db.com/exploits/42135/http://www.securityfocus.com/bid/97407