{"id":"CVE-2026-23021","state":"PUBLISHED","title":"net: usb: pegasus: fix memory leak in update_eth_regs_async()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: pegasus: fix memory leak in update_eth_regs_async()\n\nWhen asynchronously writing to the device registers and if usb_submit_urb()\nfail, the code fail to release allocated to this point resources.","publishedAt":"2026-01-31T11:39:05.152Z","updatedAt":"2026-10-19T18:25:28.106Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"323b34963d113efb566635f43858f40cce01d5f9","status":"affected","lessThan":"5397ea6d21c35a17707e201a60761bdee00bcc4e","versionType":"git"},{"version":"323b34963d113efb566635f43858f40cce01d5f9","status":"affected","lessThan":"a40af9a2904a1ab8ce61866ebe2a894ef30754ba","versionType":"git"},{"version":"323b34963d113efb566635f43858f40cce01d5f9","status":"affected","lessThan":"ac5d92d2826dec51e5d4c6854865bc5817277452","versionType":"git"},{"version":"323b34963d113efb566635f43858f40cce01d5f9","status":"affected","lessThan":"93f18eaa190374e0f2d253e3b1a65cee19a7abe6","versionType":"git"},{"version":"323b34963d113efb566635f43858f40cce01d5f9","status":"affected","lessThan":"471dfb97599eec74e0476046b3ef8e7037f27b34","versionType":"git"},{"version":"323b34963d113efb566635f43858f40cce01d5f9","status":"affected","lessThan":"ce6eef731aba23a988decea1df3b08cf978f7b01","versionType":"git"},{"version":"323b34963d113efb566635f43858f40cce01d5f9","status":"affected","lessThan":"afa27621a28af317523e0836dad430bec551eb54","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/usb/pegasus.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.10","versionType":"semver"},{"version":"5.10.248","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.198","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.161","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.121","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.66","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.6","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","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/pegasus.c"]}],"references":["https://git.kernel.org/stable/c/5397ea6d21c35a17707e201a60761bdee00bcc4e","https://git.kernel.org/stable/c/a40af9a2904a1ab8ce61866ebe2a894ef30754ba","https://git.kernel.org/stable/c/ac5d92d2826dec51e5d4c6854865bc5817277452","https://git.kernel.org/stable/c/93f18eaa190374e0f2d253e3b1a65cee19a7abe6","https://git.kernel.org/stable/c/471dfb97599eec74e0476046b3ef8e7037f27b34","https://git.kernel.org/stable/c/ce6eef731aba23a988decea1df3b08cf978f7b01","https://git.kernel.org/stable/c/afa27621a28af317523e0836dad430bec551eb54"],"weaknesses":["CWE-401"],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23021.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23021","state":"PUBLISHED","datePublished":"2026-01-31T11:39:05.152Z","dateUpdated":"2026-10-19T18:25:28.106Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:37:45.941Z"},"containers":{"cna":{"title":"net: usb: pegasus: fix memory leak in update_eth_regs_async()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: pegasus: fix memory leak in update_eth_regs_async()\n\nWhen asynchronously writing to the device registers and if usb_submit_urb()\nfail, the code fail to release allocated to this point resources."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"323b34963d113efb566635f43858f40cce01d5f9","status":"affected","lessThan":"5397ea6d21c35a17707e201a60761bdee00bcc4e","versionType":"git"},{"version":"323b34963d113efb566635f43858f40cce01d5f9","status":"affected","lessThan":"a40af9a2904a1ab8ce61866ebe2a894ef30754ba","versionType":"git"},{"version":"323b34963d113efb566635f43858f40cce01d5f9","status":"affected","lessThan":"ac5d92d2826dec51e5d4c6854865bc5817277452","versionType":"git"},{"version":"323b34963d113efb566635f43858f40cce01d5f9","status":"affected","lessThan":"93f18eaa190374e0f2d253e3b1a65cee19a7abe6","versionType":"git"},{"version":"323b34963d113efb566635f43858f40cce01d5f9","status":"affected","lessThan":"471dfb97599eec74e0476046b3ef8e7037f27b34","versionType":"git"},{"version":"323b34963d113efb566635f43858f40cce01d5f9","status":"affected","lessThan":"ce6eef731aba23a988decea1df3b08cf978f7b01","versionType":"git"},{"version":"323b34963d113efb566635f43858f40cce01d5f9","status":"affected","lessThan":"afa27621a28af317523e0836dad430bec551eb54","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/usb/pegasus.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.10","versionType":"semver"},{"version":"5.10.248","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.198","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.161","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.121","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.66","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.6","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","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/pegasus.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/5397ea6d21c35a17707e201a60761bdee00bcc4e"},{"url":"https://git.kernel.org/stable/c/a40af9a2904a1ab8ce61866ebe2a894ef30754ba"},{"url":"https://git.kernel.org/stable/c/ac5d92d2826dec51e5d4c6854865bc5817277452"},{"url":"https://git.kernel.org/stable/c/93f18eaa190374e0f2d253e3b1a65cee19a7abe6"},{"url":"https://git.kernel.org/stable/c/471dfb97599eec74e0476046b3ef8e7037f27b34"},{"url":"https://git.kernel.org/stable/c/ce6eef731aba23a988decea1df3b08cf978f7b01"},{"url":"https://git.kernel.org/stable/c/afa27621a28af317523e0836dad430bec551eb54"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:58:28.399Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.10.248"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.15.198"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.1.161"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.6.121"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.12.66"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.18.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-23021","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-06-10T20:41:03.342469Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-401","lang":"en","type":"CWE","description":"CWE-401 Missing Release of Memory after Effective Lifetime"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-19T18:25:28.106Z"}}]}}}