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| author | Waldemar Brodkorb <wbx@uclibc-ng.org> | 2016-08-05 21:33:44 +0200 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@uclibc-ng.org> | 2016-08-05 21:33:44 +0200 |
| commit | 9213ad631513d0e67d9d31465c9cdb3f3dde0399 (patch) | |
| tree | 046479bb8e8b66192c8227f2054e3260e3dcd483 /libc/inet/gethostbyname_r.c | |
| parent | 79dc2c282b655adb8d5075d9eb2519883042ccf8 (diff) | |
sunrpc: Do not use alloca in clntudp_call
CVE-2016-4429:
The call is technically in a loop, and under certain circumstances
(which are quite difficult to reproduce in a test case), alloca
can be invoked repeatedly during a single call to clntudp_call.
As a result, the available stack space can be exhausted (even
though individual alloca sizes are bounded implicitly by what
can fit into a UDP packet, as a side effect of the earlier
successful send operation).
From GNU libc:
https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commit;h=bc779a1a5b3035133024b21e2f339fe4219fb11c
Diffstat (limited to 'libc/inet/gethostbyname_r.c')
0 files changed, 0 insertions, 0 deletions