CVE-2024-26748 - Vulnerability Details

Vendors	Products
Linux	Linux Kernel

Link	Providers
https://git.kernel.org/stable/c/1e204a8e9eb514e22a6567fb340ebb47df3f3a48
https://git.kernel.org/stable/c/3a2a909942b5335b7ea66366d84261b3ed5f89c8
https://git.kernel.org/stable/c/5fd9e45f1ebcd57181358af28506e8a661a260b3
https://git.kernel.org/stable/c/70e8038813f9d3e72df966748ebbc40efe466019
https://git.kernel.org/stable/c/92d20406a3d4ff3e8be667c79209dc9ed31df5b3
https://git.kernel.org/stable/c/9a52b694b066f299d8b9800854a8503457a8b64c
https://git.kernel.org/stable/c/aad6132ae6e4809e375431f8defd1521985e44e7
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
https://lore.kernel.org/linux-cve-announce/2024040302-CVE-2024-26748-f000@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2024-26748
https://www.cve.org/CVERecord?id=CVE-2024-26748

Type	Values Removed	Values Added
First Time appeared		Linux Linux linux Kernel
CPEs		cpe:2.3:o:linux:linux_kernel:::::::: cpe:2.3:o:linux:linux_kernel:6.8:rc1:::::: cpe:2.3:o:linux:linux_kernel:6.8:rc2:::::: cpe:2.3:o:linux:linux_kernel:6.8:rc3:::::: cpe:2.3:o:linux:linux_kernel:6.8:rc4:::::: cpe:2.3:o:linux:linux_kernel:6.8:rc5::::::
Vendors & Products		Linux Linux linux Kernel
Metrics	cvssV3_1 `{'score': 4.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'}`	cvssV3_1 `{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}`

Type	Values Removed	Values Added
References		https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html

Type	Values Removed	Values Added
References	https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html

Show plain JSON

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When transfer complete, run to line 831,\nusb_gadget_giveback_request() will free this requestion. 836 condition is\ntrue, so cdns3_gadget_ep_free_request() free this request again.\n\nLog:\n\n[ 1920.140696][  T150] BUG: KFENCE: use-after-free read in cdns3_gadget_giveback+0x134/0x2c0 [cdns3]\n[ 1920.140696][  T150]\n[ 1920.151837][  T150] Use-after-free read at 0x000000003d1cd10b (in kfence-#36):\n[ 1920.159082][  T150]  cdns3_gadget_giveback+0x134/0x2c0 [cdns3]\n[ 1920.164988][  T150]  cdns3_transfer_completed+0x438/0x5f8 [cdns3]\n\nAdd check at line 829, skip call usb_gadget_giveback_request() if it is\nadditional zero length packet request. 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dateUpdated : 2025-05-04T08:55:36.651Z (string)

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lang : en (string)

value : 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. (string)

}

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Show plain JSON

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usb_gadget_giveback_request(&priv_ep->endpoint,\n832                                    request);\n833          spin_lock(&priv_dev->lock);\n834  }\n835\n836  if (request->buf == priv_dev->zlp_buf)\n837      cdns3_gadget_ep_free_request(&priv_ep->endpoint, request);\n\nDriver append an additional zero packet request when queue a packet, which\nlength mod max packet size is 0. When transfer complete, run to line 831,\nusb_gadget_giveback_request() will free this requestion. 836 condition is\ntrue, so cdns3_gadget_ep_free_request() free this request again.\n\nLog:\n\n[ 1920.140696][  T150] BUG: KFENCE: use-after-free read in cdns3_gadget_giveback+0x134/0x2c0 [cdns3]\n[ 1920.140696][  T150]\n[ 1920.151837][  T150] Use-after-free read at 0x000000003d1cd10b (in kfence-#36):\n[ 1920.159082][  T150]  cdns3_gadget_giveback+0x134/0x2c0 [cdns3]\n[ 1920.164988][  T150]  cdns3_transfer_completed+0x438/0x5f8 [cdns3]\n\nAdd check at line 829, skip call usb_gadget_giveback_request() if it is\nadditional zero length packet request. 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state : PUBLISHED (string)

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}

Show plain JSON

{"bugzilla": {"description": "kernel: usb: cdns3: fix memory double free when handle zero packet", "id": "2273076", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2273076"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-415", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nusb: cdns3: fix memory double free when handle zero packet\n829  if (request->complete) {\n830          spin_unlock(&priv_dev->lock);\n831          usb_gadget_giveback_request(&priv_ep->endpoint,\n832                                    request);\n833          spin_lock(&priv_dev->lock);\n834  }\n835\n836  if (request->buf == priv_dev->zlp_buf)\n837      cdns3_gadget_ep_free_request(&priv_ep->endpoint, request);\nDriver append an additional zero packet request when queue a packet, which\nlength mod max packet size is 0. When transfer complete, run to line 831,\nusb_gadget_giveback_request() will free this requestion. 836 condition is\ntrue, so cdns3_gadget_ep_free_request() free this request again.\nLog:\n[ 1920.140696][  T150] BUG: KFENCE: use-after-free read in cdns3_gadget_giveback+0x134/0x2c0 [cdns3]\n[ 1920.140696][  T150]\n[ 1920.151837][  T150] Use-after-free read at 0x000000003d1cd10b (in kfence-#36):\n[ 1920.159082][  T150]  cdns3_gadget_giveback+0x134/0x2c0 [cdns3]\n[ 1920.164988][  T150]  cdns3_transfer_completed+0x438/0x5f8 [cdns3]\nAdd check at line 829, skip call usb_gadget_giveback_request() if it is\nadditional zero length packet request. Needn't call\nusb_gadget_giveback_request() because it is allocated in this driver."], "name": "CVE-2024-26748", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-04-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26748\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26748\nhttps://lore.kernel.org/linux-cve-announce/2024040302-CVE-2024-26748-f000@gregkh/T"], "threat_severity": "Low"}

{

bugzilla : { »

description : kernel: usb: cdns3: fix memory double free when handle zero packet (string)

id : 2273076 (string)

url : https://bugzilla.redhat.com/show_bug.cgi?id=2273076 (string)

}

csaw : false (boolean)

cvss3 : { »

cvss3_base_score : 4.4 (string)

cvss3_scoring_vector : CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H (string)

status : draft (string)

}

cwe : CWE-415 (string)

details : [ »

0 : 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. (string)

]

name : CVE-2024-26748 (string)

package_state : [ »

0 : { »

cpe : cpe:/o:redhat:enterprise_linux:6 (string)

fix_state : Not affected (string)

package_name : kernel (string)

product_name : Red Hat Enterprise Linux 6 (string)

}

1 : { »

cpe : cpe:/o:redhat:enterprise_linux:7 (string)

fix_state : Not affected (string)

package_name : kernel (string)

product_name : Red Hat Enterprise Linux 7 (string)

}

2 : { »

cpe : cpe:/o:redhat:enterprise_linux:7 (string)

fix_state : Not affected (string)

package_name : kernel-rt (string)

product_name : Red Hat Enterprise Linux 7 (string)

}

3 : { »

cpe : cpe:/o:redhat:enterprise_linux:8 (string)

fix_state : Not affected (string)

package_name : kernel (string)

product_name : Red Hat Enterprise Linux 8 (string)

}

4 : { »

cpe : cpe:/o:redhat:enterprise_linux:8 (string)

fix_state : Not affected (string)

package_name : kernel-rt (string)

product_name : Red Hat Enterprise Linux 8 (string)

}

5 : { »

cpe : cpe:/o:redhat:enterprise_linux:9 (string)

fix_state : Not affected (string)

package_name : kernel (string)

product_name : Red Hat Enterprise Linux 9 (string)

}

6 : { »

cpe : cpe:/o:redhat:enterprise_linux:9 (string)

fix_state : Not affected (string)

package_name : kernel-rt (string)

product_name : Red Hat Enterprise Linux 9 (string)

}

]

public_date : 2024-04-03T00:00:00Z (string)

references : [ »

0 : https://www.cve.org/CVERecord?id=CVE-2024-26748 https://nvd.nist.gov/vuln/detail/CVE-2024-26748 https://lore.kernel.org/linux-cve-announce/2024040302-CVE-2024-26748-f000@gregkh/T (string)

]

threat_severity : Low (string)

}

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

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