diff options
| author | Mahesh A Saptasagar <c_msapta@qti.qualcomm.com> | 2015-10-27 15:40:18 +0530 |
|---|---|---|
| committer | desaishivam26 <kane.desai@gmail.com> | 2015-11-23 12:28:22 +0100 |
| commit | f11329448d595575072db36bdee5974426a0db79 (patch) | |
| tree | 61fc6512c2744358c44a8117f14310ac1ecaa83a | |
| parent | 842d9c8740e19d4e3fded87fecaf9bad075e10e7 (diff) | |
wlan: Address buffer overflow due to invalid length
Check for valid length before copying the packet filter data from
userspace buffer to kernel space buffer to avoid buffer overflow
issue.
Change-Id: Icfdcbb41a7266a2d1a87816d4e6803747002cff0
CRs-Fixed: 930533
| -rwxr-xr-x | drivers/staging/prima/CORE/HDD/src/wlan_hdd_wext.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/staging/prima/CORE/HDD/src/wlan_hdd_wext.c b/drivers/staging/prima/CORE/HDD/src/wlan_hdd_wext.c index 40050758357..3d67983c341 100755 --- a/drivers/staging/prima/CORE/HDD/src/wlan_hdd_wext.c +++ b/drivers/staging/prima/CORE/HDD/src/wlan_hdd_wext.c @@ -6390,6 +6390,9 @@ int wlan_hdd_set_filter(hdd_context_t *pHddCtx, tpPacketFilterCfg pRequest, hddLog(VOS_TRACE_LEVEL_INFO, "Data Offset %d Data Len %d\n", pRequest->paramsData[i].dataOffset, pRequest->paramsData[i].dataLength); + if ((sizeof(packetFilterSetReq.paramsData[i].compareData)) < + (pRequest->paramsData[i].dataLength)) + return -EINVAL; memcpy(&packetFilterSetReq.paramsData[i].compareData, pRequest->paramsData[i].compareData, pRequest->paramsData[i].dataLength); |