oss-sec mailing list archives
Re: CVE-2015-6937 - Linux kernel - NULL pointer dereference in net/rds/connection.c
From: cve-assign () mitre org
Date: Wed, 28 Oct 2015 00:57:16 -0400 (EDT)
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CVE-2015-6937 has been assigned to this issue that is exploitable "on sockets that weren't properly bound before attempting to send a message": https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=74e98eb085889b0d2d4908f59f6e00026063014f
The above fix is incomplete and still allows to trigger a NULL pointer dereference when sending a message. The root cause of this problem is a race condition when checking that the socket is bound in rds_sendmsg(), more information and a complete fix can be found here: https://lkml.org/lkml/2015/10/16/530 It should hit Linus' tree soon but since distributions already started shipping the incomplete fix, ...
Use CVE-2015-7990 for the vulnerability that remains present after the 74e98eb085889b0d2d4908f59f6e00026063014f commit. - -- CVE assignment team, MITRE CVE Numbering Authority M/S M300 202 Burlington Road, Bedford, MA 01730 USA [ PGP key available through http://cve.mitre.org/cve/request_id.html ] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBCAAGBQJWMFSAAAoJEL54rhJi8gl5uLsQALnjDW0KqA0GdufltOgGh5oy HhFSvZirdqBkB+tSGn2J18yHKSB0wmcdlnGHMOVjCMTIAQCK5LYR/PsBoSid4rn+ xCUnmh8+OoZEt8d5ukMVlOT6iQ6p/aqyoCnjMdRmEsK+lxVNb2Ew1OFAOvyYehWw Lf3QK7CO66IRbcxAtHn+3AEVcA8mEJv/0fskIdiAEi3BVZ0u+V1SKjdwRivYmxV8 4yWi8EW/SVtZ7YEx64uOdWw8vJwo95YC4gVrkRBU4SYLF0W/b59+H/J2BRMzUHwG N6JUUrvDA00yx4wOqJidqR1IVY/LaqohoF6AWBaQ8hczBK/mnUuObnPBBAjS3NxH f/9g+E9R5QNBvFgzEImrC0fOYaKOmJqkb3zzIxrWAqMLcYiAehwpqp8NATEIhcQy GoxqZIlUIkIZcLBFvmRoLX0fF5ZLuwCJSh9r91oOlNjVKPYSa2ZVSSbN6x2m8Sn8 /RyQBtxeFMgeymzF1XPCXJh17HCwpt4zYrZJf0Co6sbuatHw6FjyXLSnhNZ9DcLx qgfqAVQwHw+xqquEioRhKlzRld/+xz6tgtseTTHk/Tcawx3slH9zTy2slQW745Rl AcSLLCvlthPfhx3kNXjITaQ3WKaGTVsCHTuvhkxC2fyC6cAMYdPBDnuLMhZg6gKT HCjDdydb6XKjWdCO12pV =w9IK -----END PGP SIGNATURE-----
Current thread:
- Re: CVE-2015-6937 - Linux kernel - NULL pointer dereference in net/rds/connection.c Quentin Casasnovas (Oct 27)
- Re: CVE-2015-6937 - Linux kernel - NULL pointer dereference in net/rds/connection.c cve-assign (Oct 27)