{"id":"CVE-2023-53548","state":"PUBLISHED","title":"net: usbnet: Fix WARNING in usbnet_start_xmit/usb_submit_urb","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usbnet: Fix WARNING in usbnet_start_xmit/usb_submit_urb\n\nThe syzbot fuzzer identified a problem in the usbnet driver:\n\nusb 1-1: BOGUS urb xfer, pipe 3 != type 1\nWARNING: CPU: 0 PID: 754 at drivers/usb/core/urb.c:504 usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504\nModules linked in:\nCPU: 0 PID: 754 Comm: kworker/0:2 Not tainted 6.4.0-rc7-syzkaller-00014-g692b7dc87ca6 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023\nWorkqueue: mld mld_ifc_work\nRIP: 0010:usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504\nCode: 7c 24 18 e8 2c b4 5b fb 48 8b 7c 24 18 e8 42 07 f0 fe 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 a0 c9 fc 8a e8 5a 6f 23 fb <0f> 0b e9 58 f8 ff ff e8 fe b3 5b fb 48 81 c5 c0 05 00 00 e9 84 f7\nRSP: 0018:ffffc9000463f568 EFLAGS: 00010086\nRAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000\nRDX: ffff88801eb28000 RSI: ffffffff814c03b7 RDI: 0000000000000001\nRBP: ffff8881443b7190 R08: 0000000000000001 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000003\nR13: ffff88802a77cb18 R14: 0000000000000003 R15: ffff888018262500\nFS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000556a99c15a18 CR3: 0000000028c71000 CR4: 0000000000350ef0\nCall Trace:\n <TASK>\n usbnet_start_xmit+0xfe5/0x2190 drivers/net/usb/usbnet.c:1453\n __netdev_start_xmit include/linux/netdevice.h:4918 [inline]\n netdev_start_xmit include/linux/netdevice.h:4932 [inline]\n xmit_one net/core/dev.c:3578 [inline]\n dev_hard_start_xmit+0x187/0x700 net/core/dev.c:3594\n...\n\nThis bug is caused by the fact that usbnet trusts the bulk endpoint\naddresses its probe routine receives in the driver_info structure, and\nit does not check to see that these endpoints actually exist and have\nthe expected type and directions.\n\nThe fix is simply to add such a check.","publishedAt":"2025-10-04T15:16:55.612Z","updatedAt":"2026-05-11T19:47:06.180Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2e55cc7210fef90f88201e860d8767594974574e","status":"affected","lessThan":"a0715d04cf687a7e21f0d6ac8c1d479294a3f6f8","versionType":"git"},{"version":"2e55cc7210fef90f88201e860d8767594974574e","status":"affected","lessThan":"53c250ea57cf03af41339234b9855ae284f9db91","versionType":"git"},{"version":"2e55cc7210fef90f88201e860d8767594974574e","status":"affected","lessThan":"a05ac5d00eb7fcb2fda806caa4f56e88df6bc6bb","versionType":"git"},{"version":"2e55cc7210fef90f88201e860d8767594974574e","status":"affected","lessThan":"ec0d0be41721aca683c5606354a58ee2c687e3f8","versionType":"git"},{"version":"2e55cc7210fef90f88201e860d8767594974574e","status":"affected","lessThan":"27d0f755d649d388fcd12f01436c9a33289e14e3","versionType":"git"},{"version":"2e55cc7210fef90f88201e860d8767594974574e","status":"affected","lessThan":"1bebbd9b8037a9cc75984317cb495dec4824c399","versionType":"git"},{"version":"2e55cc7210fef90f88201e860d8767594974574e","status":"affected","lessThan":"0dd3e0c31bf3e933fb85faf1443833aef90b8e46","versionType":"git"},{"version":"2e55cc7210fef90f88201e860d8767594974574e","status":"affected","lessThan":"5e1627cb43ddf1b24b92eb26f8d958a3f5676ccb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/usb/usbnet.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.14","versionType":"semver"},{"version":"4.14.322","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.291","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.253","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.190","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.126","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.45","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.10","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/usb/usbnet.c"]}],"references":["https://git.kernel.org/stable/c/a0715d04cf687a7e21f0d6ac8c1d479294a3f6f8","https://git.kernel.org/stable/c/53c250ea57cf03af41339234b9855ae284f9db91","https://git.kernel.org/stable/c/a05ac5d00eb7fcb2fda806caa4f56e88df6bc6bb","https://git.kernel.org/stable/c/ec0d0be41721aca683c5606354a58ee2c687e3f8","https://git.kernel.org/stable/c/27d0f755d649d388fcd12f01436c9a33289e14e3","https://git.kernel.org/stable/c/1bebbd9b8037a9cc75984317cb495dec4824c399","https://git.kernel.org/stable/c/0dd3e0c31bf3e933fb85faf1443833aef90b8e46","https://git.kernel.org/stable/c/5e1627cb43ddf1b24b92eb26f8d958a3f5676ccb"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53548.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53548","state":"PUBLISHED","datePublished":"2025-10-04T15:16:55.612Z","dateUpdated":"2026-05-11T19:47:06.180Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-04T15:14:15.921Z"},"containers":{"cna":{"title":"net: usbnet: Fix WARNING in usbnet_start_xmit/usb_submit_urb","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usbnet: Fix WARNING in usbnet_start_xmit/usb_submit_urb\n\nThe syzbot fuzzer identified a problem in the usbnet driver:\n\nusb 1-1: BOGUS urb xfer, pipe 3 != type 1\nWARNING: CPU: 0 PID: 754 at drivers/usb/core/urb.c:504 usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504\nModules linked in:\nCPU: 0 PID: 754 Comm: kworker/0:2 Not tainted 6.4.0-rc7-syzkaller-00014-g692b7dc87ca6 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023\nWorkqueue: mld mld_ifc_work\nRIP: 0010:usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504\nCode: 7c 24 18 e8 2c b4 5b fb 48 8b 7c 24 18 e8 42 07 f0 fe 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 a0 c9 fc 8a e8 5a 6f 23 fb <0f> 0b e9 58 f8 ff ff e8 fe b3 5b fb 48 81 c5 c0 05 00 00 e9 84 f7\nRSP: 0018:ffffc9000463f568 EFLAGS: 00010086\nRAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000\nRDX: ffff88801eb28000 RSI: ffffffff814c03b7 RDI: 0000000000000001\nRBP: ffff8881443b7190 R08: 0000000000000001 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000003\nR13: ffff88802a77cb18 R14: 0000000000000003 R15: ffff888018262500\nFS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000556a99c15a18 CR3: 0000000028c71000 CR4: 0000000000350ef0\nCall Trace:\n <TASK>\n usbnet_start_xmit+0xfe5/0x2190 drivers/net/usb/usbnet.c:1453\n __netdev_start_xmit include/linux/netdevice.h:4918 [inline]\n netdev_start_xmit include/linux/netdevice.h:4932 [inline]\n xmit_one net/core/dev.c:3578 [inline]\n dev_hard_start_xmit+0x187/0x700 net/core/dev.c:3594\n...\n\nThis bug is caused by the fact that usbnet trusts the bulk endpoint\naddresses its probe routine receives in the driver_info structure, and\nit does not check to see that these endpoints actually exist and have\nthe expected type and directions.\n\nThe fix is simply to add such a check."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2e55cc7210fef90f88201e860d8767594974574e","status":"affected","lessThan":"a0715d04cf687a7e21f0d6ac8c1d479294a3f6f8","versionType":"git"},{"version":"2e55cc7210fef90f88201e860d8767594974574e","status":"affected","lessThan":"53c250ea57cf03af41339234b9855ae284f9db91","versionType":"git"},{"version":"2e55cc7210fef90f88201e860d8767594974574e","status":"affected","lessThan":"a05ac5d00eb7fcb2fda806caa4f56e88df6bc6bb","versionType":"git"},{"version":"2e55cc7210fef90f88201e860d8767594974574e","status":"affected","lessThan":"ec0d0be41721aca683c5606354a58ee2c687e3f8","versionType":"git"},{"version":"2e55cc7210fef90f88201e860d8767594974574e","status":"affected","lessThan":"27d0f755d649d388fcd12f01436c9a33289e14e3","versionType":"git"},{"version":"2e55cc7210fef90f88201e860d8767594974574e","status":"affected","lessThan":"1bebbd9b8037a9cc75984317cb495dec4824c399","versionType":"git"},{"version":"2e55cc7210fef90f88201e860d8767594974574e","status":"affected","lessThan":"0dd3e0c31bf3e933fb85faf1443833aef90b8e46","versionType":"git"},{"version":"2e55cc7210fef90f88201e860d8767594974574e","status":"affected","lessThan":"5e1627cb43ddf1b24b92eb26f8d958a3f5676ccb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/usb/usbnet.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.14","versionType":"semver"},{"version":"4.14.322","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.291","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.253","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.190","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.126","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.45","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.10","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/usb/usbnet.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/a0715d04cf687a7e21f0d6ac8c1d479294a3f6f8"},{"url":"https://git.kernel.org/stable/c/53c250ea57cf03af41339234b9855ae284f9db91"},{"url":"https://git.kernel.org/stable/c/a05ac5d00eb7fcb2fda806caa4f56e88df6bc6bb"},{"url":"https://git.kernel.org/stable/c/ec0d0be41721aca683c5606354a58ee2c687e3f8"},{"url":"https://git.kernel.org/stable/c/27d0f755d649d388fcd12f01436c9a33289e14e3"},{"url":"https://git.kernel.org/stable/c/1bebbd9b8037a9cc75984317cb495dec4824c399"},{"url":"https://git.kernel.org/stable/c/0dd3e0c31bf3e933fb85faf1443833aef90b8e46"},{"url":"https://git.kernel.org/stable/c/5e1627cb43ddf1b24b92eb26f8d958a3f5676ccb"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:47:06.180Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"4.14.322"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"4.19.291"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"5.4.253"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"5.10.190"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"5.15.126"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"6.1.45"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"6.4.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"6.5"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}