From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
stable@vger.kernel.org, Hansjoerg Lipp <hjlipp@web.de>,
Johan Hovold <johan@kernel.org>,
"David S. Miller" <davem@davemloft.net>
Subject: [PATCH 4.10 23/27] isdn/gigaset: fix NULL-deref at probe
Date: Fri, 24 Mar 2017 18:58:41 +0100 [thread overview]
Message-ID: <20170324151227.425379820@linuxfoundation.org> (raw)
In-Reply-To: <20170324151225.973768798@linuxfoundation.org>
4.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Johan Hovold <johan@kernel.org>
commit 68c32f9c2a36d410aa242e661506e5b2c2764179 upstream.
Make sure to check the number of endpoints to avoid dereferencing a
NULL-pointer should a malicious device lack endpoints.
Fixes: cf7776dc05b8 ("[PATCH] isdn4linux: Siemens Gigaset drivers - direct USB connection")
Cc: Hansjoerg Lipp <hjlipp@web.de>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/isdn/gigaset/bas-gigaset.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/isdn/gigaset/bas-gigaset.c
+++ b/drivers/isdn/gigaset/bas-gigaset.c
@@ -2317,6 +2317,9 @@ static int gigaset_probe(struct usb_inte
return -ENODEV;
}
+ if (hostif->desc.bNumEndpoints < 1)
+ return -ENODEV;
+
dev_info(&udev->dev,
"%s: Device matched (Vendor: 0x%x, Product: 0x%x)\n",
__func__, le16_to_cpu(udev->descriptor.idVendor),
next prev parent reply other threads:[~2017-03-24 18:02 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-24 17:58 [PATCH 4.10 00/27] 4.10.6-stable review Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 01/27] give up on gcc ilog2() constant optimizations Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 02/27] qla2xxx: Fix memory leak for abts processing Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 03/27] qla2xxx: Fix request queue corruption Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 04/27] parisc: Optimize flush_kernel_vmap_range and invalidate_kernel_vmap_range Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 05/27] parisc: support R_PARISC_SECREL32 relocation in modules Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 06/27] parisc: Fix system shutdown halt Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 07/27] perf/core: Fix use-after-free in perf_release() Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 08/27] perf/core: Fix event inheritance on fork() Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 09/27] md/r5cache: fix set_syndrome_sources() for data in cache Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 10/27] xprtrdma: Squelch kbuild sparse complaint Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 11/27] NFS prevent double free in async nfs4_exchange_id Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 12/27] cpufreq: Fix and clean up show_cpuinfo_cur_freq() Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 13/27] powerpc/boot: Fix zImage TOC alignment Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 14/27] hwrng: omap - write registers after enabling the clock Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 15/27] hwrng: omap - use devm_clk_get() instead of of_clk_get() Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 16/27] hwrng: omap - Do not access INTMASK_REG on EIP76 Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 17/27] md/raid1/10: fix potential deadlock Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 18/27] target/pscsi: Fix TYPE_TAPE + TYPE_MEDIMUM_CHANGER export Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 19/27] scsi: lpfc: Add shutdown method for kexec Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 20/27] scsi: libiscsi: add lock around task lists to fix list corruption regression Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 21/27] scsi: mpt3sas: Avoid sleeping in interrupt context Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 22/27] target: Fix VERIFY_16 handling in sbc_parse_cdb Greg Kroah-Hartman
2017-03-24 17:58 ` Greg Kroah-Hartman [this message]
2017-03-24 17:58 ` [PATCH 4.10 24/27] gfs2: Avoid alignment hole in struct lm_lockname Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 25/27] percpu: acquire pcpu_lock when updating pcpu_nr_empty_pop_pages Greg Kroah-Hartman
2017-03-24 17:58 ` [PATCH 4.10 26/27] cgroup/pids: remove spurious suspicious RCU usage warning Greg Kroah-Hartman
2017-03-25 0:00 ` [PATCH 4.10 00/27] 4.10.6-stable review Shuah Khan
2017-03-26 8:19 ` Greg Kroah-Hartman
2017-03-25 4:18 ` Guenter Roeck
2017-03-26 8:51 ` Greg Kroah-Hartman
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