{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23075","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-01-13T15:37:45.958Z","datePublished":"2026-02-04T16:08:00.169Z","dateUpdated":"2026-05-11T21:59:31.107Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:59:31.107Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: esd_usb: esd_usb_read_bulk_callback(): fix URB memory leak\n\nFix similar memory leak as in commit 7352e1d5932a (\"can: gs_usb:\ngs_usb_receive_bulk_callback(): fix URB memory leak\").\n\nIn esd_usb_open(), the URBs for USB-in transfers are allocated, added to\nthe dev->rx_submitted anchor and submitted. In the complete callback\nesd_usb_read_bulk_callback(), the URBs are processed and resubmitted. In\nesd_usb_close() the URBs are freed by calling\nusb_kill_anchored_urbs(&dev->rx_submitted).\n\nHowever, this does not take into account that the USB framework unanchors\nthe URB before the complete function is called. This means that once an\nin-URB has been completed, it is no longer anchored and is ultimately not\nreleased in esd_usb_close().\n\nFix the memory leak by anchoring the URB in the\nesd_usb_read_bulk_callback() to the dev->rx_submitted anchor."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/can/usb/esd_usb.c"],"versions":[{"version":"96d8e90382dc336b5de401164597edfdc2e8d9f1","lessThan":"93b34d4ba7266030801a509c088ac77c0d7a12e9","status":"affected","versionType":"git"},{"version":"96d8e90382dc336b5de401164597edfdc2e8d9f1","lessThan":"dc934d96673992af8568664c1b58e13eb164010d","status":"affected","versionType":"git"},{"version":"96d8e90382dc336b5de401164597edfdc2e8d9f1","lessThan":"92d26ce07ac3b7a850dc68c8d73d487b39c39b33","status":"affected","versionType":"git"},{"version":"96d8e90382dc336b5de401164597edfdc2e8d9f1","lessThan":"adec5e1f9c99fe079ec4c92cca3f1109a3e257c3","status":"affected","versionType":"git"},{"version":"96d8e90382dc336b5de401164597edfdc2e8d9f1","lessThan":"9d1807b442fc3286b204f8e59981b10e743533ce","status":"affected","versionType":"git"},{"version":"96d8e90382dc336b5de401164597edfdc2e8d9f1","lessThan":"a9503ae43256e80db5cba9d449b238607164c51d","status":"affected","versionType":"git"},{"version":"96d8e90382dc336b5de401164597edfdc2e8d9f1","lessThan":"5a4391bdc6c8357242f62f22069c865b792406b3","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/can/usb/esd_usb.c"],"versions":[{"version":"2.6.36","status":"affected"},{"version":"0","lessThan":"2.6.36","status":"unaffected","versionType":"semver"},{"version":"5.10.249","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.199","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.162","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.122","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.68","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.8","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.36","versionEndExcluding":"5.10.249"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.36","versionEndExcluding":"5.15.199"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.36","versionEndExcluding":"6.1.162"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.36","versionEndExcluding":"6.6.122"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.36","versionEndExcluding":"6.12.68"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.36","versionEndExcluding":"6.18.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.36","versionEndExcluding":"6.19"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/93b34d4ba7266030801a509c088ac77c0d7a12e9"},{"url":"https://git.kernel.org/stable/c/dc934d96673992af8568664c1b58e13eb164010d"},{"url":"https://git.kernel.org/stable/c/92d26ce07ac3b7a850dc68c8d73d487b39c39b33"},{"url":"https://git.kernel.org/stable/c/adec5e1f9c99fe079ec4c92cca3f1109a3e257c3"},{"url":"https://git.kernel.org/stable/c/9d1807b442fc3286b204f8e59981b10e743533ce"},{"url":"https://git.kernel.org/stable/c/a9503ae43256e80db5cba9d449b238607164c51d"},{"url":"https://git.kernel.org/stable/c/5a4391bdc6c8357242f62f22069c865b792406b3"}],"title":"can: esd_usb: esd_usb_read_bulk_callback(): fix URB memory leak","x_generator":{"engine":"bippy-1.2.0"}}}}