In the Linux kernel, the following vulnerability has been resolved:
NFC: nci: fix memory leak in nci_allocate_device
nfcmrvl_disconnect fails to free the hci_dev field in struct nci_dev.
Fix this by freeing hci_dev in nci_free_device.
BUG: memory leak
unreferenced object 0xffff888111ea6800 (size 1024):
comm “kworker/1:0”, pid 19, jiffies 4294942308 (age 13.580s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 60 fd 0c 81 88 ff ff …`…
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 …
backtrace:
[<000000004bc25d43>] kmalloc include/linux/slab.h:552 [inline]
[<000000004bc25d43>] kzalloc include/linux/slab.h:682 [inline]
[<000000004bc25d43>] nci_hci_allocate+0x21/0xd0 net/nfc/nci/hci.c:784
[<00000000c59cff92>] nci_allocate_device net/nfc/nci/core.c:1170 [inline]
[<00000000c59cff92>] nci_allocate_device+0x10b/0x160 net/nfc/nci/core.c:1132
[<00000000006e0a8e>] nfcmrvl_nci_register_dev+0x10a/0x1c0 drivers/nfc/nfcmrvl/main.c:153
[<000000004da1b57e>] nfcmrvl_probe+0x223/0x290 drivers/nfc/nfcmrvl/usb.c:345
[<00000000d506aed9>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
[<00000000bc632c92>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
[<00000000f5009125>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740
[<000000000ce658ca>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846
[<000000007067d05f>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
[<00000000f8e13372>] __device_attach+0x122/0x250 drivers/base/dd.c:914
[<000000009cf68860>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
[<00000000359c965a>] device_add+0x5be/0xc30 drivers/base/core.c:3109
[<00000000086e4bd3>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
[<00000000ca036872>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
[<00000000d40d36f6>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
[<00000000bc632c92>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
[
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"include/net/nfc/nci_core.h",
"net/nfc/nci/core.c",
"net/nfc/nci/hci.c"
],
"versions": [
{
"version": "11f54f228643",
"lessThan": "448a1cb12977",
"status": "affected",
"versionType": "git"
},
{
"version": "11f54f228643",
"lessThan": "4a621621c7af",
"status": "affected",
"versionType": "git"
},
{
"version": "11f54f228643",
"lessThan": "2c2fb2df46ea",
"status": "affected",
"versionType": "git"
},
{
"version": "11f54f228643",
"lessThan": "0365701bc44e",
"status": "affected",
"versionType": "git"
},
{
"version": "11f54f228643",
"lessThan": "af2a4426baf7",
"status": "affected",
"versionType": "git"
},
{
"version": "11f54f228643",
"lessThan": "b34cb7ac32cc",
"status": "affected",
"versionType": "git"
},
{
"version": "11f54f228643",
"lessThan": "65234f50a90b",
"status": "affected",
"versionType": "git"
},
{
"version": "11f54f228643",
"lessThan": "e0652f8bb44d",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"include/net/nfc/nci_core.h",
"net/nfc/nci/core.c",
"net/nfc/nci/hci.c"
],
"versions": [
{
"version": "4.0",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.0",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "4.4.271",
"lessThanOrEqual": "4.4.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "4.9.271",
"lessThanOrEqual": "4.9.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "4.14.235",
"lessThanOrEqual": "4.14.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "4.19.193",
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.4.123",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.10.41",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.12.8",
"lessThanOrEqual": "5.12.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.13",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
]
git.kernel.org/stable/c/0365701bc44e078682ee1224866a71897495c7ef
git.kernel.org/stable/c/2c2fb2df46ea866b49fea5ec7112ec3cd4896c74
git.kernel.org/stable/c/448a1cb12977f52142e6feb12022c59662d88dc1
git.kernel.org/stable/c/4a621621c7af3cec21c47c349b30cd9c3cea11c8
git.kernel.org/stable/c/65234f50a90b64b335cbb9164b8a98c2a0d031dd
git.kernel.org/stable/c/af2a4426baf71163c0c354580ae98c7888a9aba7
git.kernel.org/stable/c/b34cb7ac32cc8e5471dc773180ea9ae676b1a745
git.kernel.org/stable/c/e0652f8bb44d6294eeeac06d703185357f25d50b