{"api_version":"1","generated_at":"2026-07-08T19:22:11+00:00","cve":"CVE-2026-23037","urls":{"html":"https://cve.report/CVE-2026-23037","api":"https://cve.report/api/cve/CVE-2026-23037.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-23037","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-23037"},"summary":{"title":"can: etas_es58x: allow partial RX URB allocation to succeed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: etas_es58x: allow partial RX URB allocation to succeed\n\nWhen es58x_alloc_rx_urbs() fails to allocate the requested number of\nURBs but succeeds in allocating some, it returns an error code.\nThis causes es58x_open() to return early, skipping the cleanup label\n'free_urbs', which leads to the anchored URBs being leaked.\n\nAs pointed out by maintainer Vincent Mailhol, the driver is designed\nto handle partial URB allocation gracefully. Therefore, partial\nallocation should not be treated as a fatal error.\n\nModify es58x_alloc_rx_urbs() to return 0 if at least one URB has been\nallocated, restoring the intended behavior and preventing the leak\nin es58x_open().","state":"PUBLISHED","assigner":"Linux","published_at":"2026-01-31 12:16:07","updated_at":"2026-06-02 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RST2428P","vendor":"Siemens","versions":[{"lessThan":"V4.0","status":"affected","version":"0","versionType":"custom"}]}],"providerMetadata":{"dateUpdated":"2026-06-02T13:00:55.620Z","orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","shortName":"siemens-SADP"},"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-253495.html"}],"x_adpType":"supplier"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/can/usb/etas_es58x/es58x_core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"97250eb05e4b6afe787290e8fd97d0675116c61b","status":"affected","version":"8537257874e949a59c834cecfd5a063e11b64b0b","versionType":"git"},{"lessThan":"aec888f44853584b5a7cd01249806030cf94a73d","status":"affected","version":"8537257874e949a59c834cecfd5a063e11b64b0b","versionType":"git"},{"lessThan":"611e839d2d552416b498ed5593e10670f61fcd4d","status":"affected","version":"8537257874e949a59c834cecfd5a063e11b64b0b","versionType":"git"},{"lessThan":"ba45e3d6b02c97dbb4578fbae7027fd66f3caa10","status":"affected","version":"8537257874e949a59c834cecfd5a063e11b64b0b","versionType":"git"},{"lessThan":"6c5124a60989051799037834f0a1a4b428718157","status":"affected","version":"8537257874e949a59c834cecfd5a063e11b64b0b","versionType":"git"},{"lessThan":"b1979778e98569c1e78c2c7f16bb24d76541ab00","status":"affected","version":"8537257874e949a59c834cecfd5a063e11b64b0b","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/can/usb/etas_es58x/es58x_core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.13"},{"lessThan":"5.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.199","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.162","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.122","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.67","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.19","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.199","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.162","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.122","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.67","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.7","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19","versionStartIncluding":"5.13","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: etas_es58x: allow partial RX URB allocation to succeed\n\nWhen es58x_alloc_rx_urbs() fails to allocate the requested number of\nURBs but succeeds in allocating some, it returns an error code.\nThis causes es58x_open() to return early, skipping the cleanup label\n'free_urbs', which leads to the anchored URBs being leaked.\n\nAs pointed out by maintainer Vincent Mailhol, the driver is designed\nto handle partial URB allocation gracefully. Therefore, partial\nallocation should not be treated as a fatal error.\n\nModify es58x_alloc_rx_urbs() to return 0 if at least one URB has been\nallocated, restoring the intended behavior and preventing the leak\nin es58x_open()."}],"providerMetadata":{"dateUpdated":"2026-05-11T21:58:46.896Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/97250eb05e4b6afe787290e8fd97d0675116c61b"},{"url":"https://git.kernel.org/stable/c/aec888f44853584b5a7cd01249806030cf94a73d"},{"url":"https://git.kernel.org/stable/c/611e839d2d552416b498ed5593e10670f61fcd4d"},{"url":"https://git.kernel.org/stable/c/ba45e3d6b02c97dbb4578fbae7027fd66f3caa10"},{"url":"https://git.kernel.org/stable/c/6c5124a60989051799037834f0a1a4b428718157"},{"url":"https://git.kernel.org/stable/c/b1979778e98569c1e78c2c7f16bb24d76541ab00"}],"title":"can: etas_es58x: allow partial RX URB allocation to succeed","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-23037","datePublished":"2026-01-31T11:42:31.689Z","dateReserved":"2026-01-13T15:37:45.943Z","dateUpdated":"2026-06-02T13:00:55.620Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-01-31 12:16:07","lastModifiedDate":"2026-06-02 14:16:46","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"23037","Ordinal":"1","Title":"can: etas_es58x: allow partial RX URB allocation to succeed","CVE":"CVE-2026-23037","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"23037","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: etas_es58x: allow partial RX URB allocation to succeed\n\nWhen es58x_alloc_rx_urbs() fails to allocate the requested number of\nURBs but succeeds in allocating some, it returns an error code.\nThis causes es58x_open() to return early, skipping the cleanup label\n'free_urbs', which leads to the anchored URBs being leaked.\n\nAs pointed out by maintainer Vincent Mailhol, the driver is designed\nto handle partial URB allocation gracefully. Therefore, partial\nallocation should not be treated as a fatal error.\n\nModify es58x_alloc_rx_urbs() to return 0 if at least one URB has been\nallocated, restoring the intended behavior and preventing the leak\nin es58x_open().","Type":"Description","Title":"can: etas_es58x: allow partial RX URB allocation to succeed"}]}}}