cbcvebase.
CVE-2024-26748
published 2024-04-03

CVE-2024-26748: In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: fix memory double free when handle zero packet 829 if (request->complete) { 830…

PriorityP340high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.24%
15.6th percentile
In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: fix memory double free when handle zero packet 829 if (request->complete) { 830 spin_unlock(&priv_dev->lock); 831 usb_gadget_giveback_request(&priv_ep->endpoint, 832 request); 833 spin_lock(&priv_dev->lock); 834 } 835 836 if (request->buf == priv_dev->zlp_buf) 837 cdns3_gadget_ep_free_request(&priv_ep->endpoint, request); Driver append an additional zero packet request when queue a packet, which length mod max packet size is 0. When transfer complete, run to line 831, usb_gadget_giveback_request() will free this requestion. 836 condition is true, so cdns3_gadget_ep_free_request() free this request again. Log: [ 1920.140696][ T150] BUG: KFENCE: use-after-free read in cdns3_gadget_giveback+0x134/0x2c0 [cdns3] [ 1920.140696][ T150] [ 1920.151837][ T150] Use-after-free read at 0x000000003d1cd10b (in kfence-#36): [ 1920.159082][ T150] cdns3_gadget_giveback+0x134/0x2c0 [cdns3] [ 1920.164988][ T150] cdns3_transfer_completed+0x438/0x5f8 [cdns3] Add check at line 829, skip call usb_gadget_giveback_request() if it is additional zero length packet request. Needn't call usb_gadget_giveback_request() because it is allocated in this driver.

Affected

22 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 6.1.82-1 (bookworm)linux 6.1.82-1 (bookworm)
linuxlinux
linuxlinux>= 7733f6c32e36ff9d7adadf40001039bf219b1cbe < aad6132ae6e4809e375431f8defd1521985e44e7aad6132ae6e4809e375431f8defd1521985e44e7
linuxlinux>= 7733f6c32e36ff9d7adadf40001039bf219b1cbe < 1e204a8e9eb514e22a6567fb340ebb47df3f3a481e204a8e9eb514e22a6567fb340ebb47df3f3a48
linuxlinux>= 7733f6c32e36ff9d7adadf40001039bf219b1cbe < 3a2a909942b5335b7ea66366d84261b3ed5f89c83a2a909942b5335b7ea66366d84261b3ed5f89c8
linuxlinux>= 7733f6c32e36ff9d7adadf40001039bf219b1cbe < 9a52b694b066f299d8b9800854a8503457a8b64c9a52b694b066f299d8b9800854a8503457a8b64c
linuxlinux>= 7733f6c32e36ff9d7adadf40001039bf219b1cbe < 70e8038813f9d3e72df966748ebbc40efe46601970e8038813f9d3e72df966748ebbc40efe466019
linuxlinux>= 7733f6c32e36ff9d7adadf40001039bf219b1cbe < 92d20406a3d4ff3e8be667c79209dc9ed31df5b392d20406a3d4ff3e8be667c79209dc9ed31df5b3
linuxlinux>= 7733f6c32e36ff9d7adadf40001039bf219b1cbe < 5fd9e45f1ebcd57181358af28506e8a661a260b35fd9e45f1ebcd57181358af28506e8a661a260b3
linuxlinux_kernel
linuxlinux_kernel>= 0 < 5.10.216-15.10.216-1
linuxlinux_kernel>= 0 < 6.1.82-16.1.82-1
linuxlinux_kernel>= 0 < 6.7.7-16.7.7-1
linuxlinux_kernel>= 0 < 6.7.7-16.7.7-1
linuxlinux_kernel>= 0 < 5.4.0-186.2065.4.0-186.206
linuxlinux_kernel>= 0 < 5.15.0-112.1225.15.0-112.122
linuxlinux_kernel>= 5.11 < 5.15.1505.15.150
linuxlinux_kernel>= 5.16 < 6.1.806.1.80
linuxlinux_kernel>= 5.4 < 5.4.2705.4.270
linuxlinux_kernel>= 5.5 < 5.10.2115.10.211
linuxlinux_kernel>= 6.2 < 6.6.196.6.19
linuxlinux_kernel>= 6.7 < 6.7.76.7.7

CVSS provenance

nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
osv7.8HIGH
vendor_debian7.8HIGH
vendor_redhat7.8HIGH
vendor_ubuntu7.8HIGH
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