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| author | Mike DePaulo <mikedep333@gmail.com> | 2015-01-10 12:03:47 -0500 |
|---|---|---|
| committer | Mike DePaulo <mikedep333@gmail.com> | 2015-01-10 12:06:49 -0500 |
| commit | 7e1c3b94f42dfc5e52f0f724b6bf7d03e3b743e3 (patch) | |
| tree | f2a4bfed7809a8e0bf4d06ec56a80191badba48b /xorg-server/include/dix.h | |
| parent | 212ca5c6023b6b7455ad64b2c29aeff82f301a03 (diff) | |
| download | vcxsrv-7e1c3b94f42dfc5e52f0f724b6bf7d03e3b743e3.tar.gz vcxsrv-7e1c3b94f42dfc5e52f0f724b6bf7d03e3b743e3.tar.bz2 vcxsrv-7e1c3b94f42dfc5e52f0f724b6bf7d03e3b743e3.zip | |
Fix CVE-2014-8091..8103. Patches were ported from Ubuntu 14.04 (xorg-server 1.15.1)
Diffstat (limited to 'xorg-server/include/dix.h')
| -rw-r--r-- | xorg-server/include/dix.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/xorg-server/include/dix.h b/xorg-server/include/dix.h index 82bb58cbc..821b0ed68 100644 --- a/xorg-server/include/dix.h +++ b/xorg-server/include/dix.h @@ -74,9 +74,14 @@ SOFTWARE. if ((sizeof(req) >> 2) > client->req_len )\ return(BadLength) +#define REQUEST_AT_LEAST_EXTRA_SIZE(req, extra) \ + if (((sizeof(req) + ((uint64_t) extra)) >> 2) > client->req_len ) \ + return(BadLength) + #define REQUEST_FIXED_SIZE(req, n)\ if (((sizeof(req) >> 2) > client->req_len) || \ - (((sizeof(req) + (n) + 3) >> 2) != client->req_len)) \ + (((n) >> 2) >= client->req_len) || \ + ((((uint64_t) sizeof(req) + (n) + 3) >> 2) != (uint64_t) client->req_len)) \ return(BadLength) #define LEGAL_NEW_RESOURCE(id,client)\ |