Answer in brief
CVE-2024-26748 records a Unknown severity vulnerability in usb: cdns3: fix memory double free when handle zero packet. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
Answer in brief
CVE-2024-26748 records a Unknown severity vulnerability in usb: cdns3: fix memory double free when handle zero packet. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=7733f6c32e36ff9d7adadf40001039bf219b1cbe <aad6132ae6e4809e375431f8defd1521985e44e7 || >=7733f6c32e36ff9d7adadf40001039bf219b1cbe <1e204a8e9eb514e22a6567fb340ebb47df3f3a48 || >=7733f6c32e36ff9d7adadf40001039bf219b1cbe <3a2a909942b5335b7ea66366d84261b3ed5f89c8 || >=7733f6c32e36ff9d7adadf40001039bf219b1cbe <9a52b694b066f299d8b9800854a8503457a8b64c || >=7733f6c32e36ff9d7adadf40001039bf219b1cbe <70e8038813f9d3e72df966748ebbc40efe466019 || >=7733f6c32e36ff9d7adadf40001039bf219b1cbe <92d20406a3d4ff3e8be667c79209dc9ed31df5b3 || >=7733f6c32e36ff9d7adadf40001039bf219b1cbe <5fd9e45f1ebcd57181358af28506e8a661a260b3 | aad6132ae6e4809e375431f8defd1521985e44e7, 1e204a8e9eb514e22a6567fb340ebb47df3f3a48, 3a2a909942b5335b7ea66366d84261b3ed5f89c8, 9a52b694b066f299d8b9800854a8503457a8b64c, 70e8038813f9d3e72df966748ebbc40efe466019, 92d20406a3d4ff3e8be667c79209dc9ed31df5b3, 5fd9e45f1ebcd57181358af28506e8a661a260b3 |
| Linux/Linuxgeneric | 5.4 | Not reported |
Published upstream
Apr 3, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
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.
Quoted source text, attributed separately from HOL analysis.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=7733f6c32e36ff9d7adadf40001039bf219b1cbe <aad6132ae6e4809e375431f8defd1521985e44e7 || >=7733f6c32e36ff9d7adadf40001039bf219b1cbe <1e204a8e9eb514e22a6567fb340ebb47df3f3a48 || >=7733f6c32e36ff9d7adadf40001039bf219b1cbe <3a2a909942b5335b7ea66366d84261b3ed5f89c8 || >=7733f6c32e36ff9d7adadf40001039bf219b1cbe <9a52b694b066f299d8b9800854a8503457a8b64c || >=7733f6c32e36ff9d7adadf40001039bf219b1cbe <70e8038813f9d3e72df966748ebbc40efe466019 || >=7733f6c32e36ff9d7adadf40001039bf219b1cbe <92d20406a3d4ff3e8be667c79209dc9ed31df5b3 || >=7733f6c32e36ff9d7adadf40001039bf219b1cbe <5fd9e45f1ebcd57181358af28506e8a661a260b3 | aad6132ae6e4809e375431f8defd1521985e44e7, 1e204a8e9eb514e22a6567fb340ebb47df3f3a48, 3a2a909942b5335b7ea66366d84261b3ed5f89c8, 9a52b694b066f299d8b9800854a8503457a8b64c, 70e8038813f9d3e72df966748ebbc40efe466019, 92d20406a3d4ff3e8be667c79209dc9ed31df5b3, 5fd9e45f1ebcd57181358af28506e8a661a260b3 |
| Linux/Linuxgeneric | 5.4 | Not reported |
Published upstream
Apr 3, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
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.
Quoted source text, attributed separately from HOL analysis.