{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72022","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-08-09T03:40:39.900Z","datePublished":"2026-08-15T05:51:47.978Z","dateUpdated":"2026-08-17T05:06:45.278Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-17T05:06:45.278Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nllc: fix SAP refcount leak in llc_ui_autobind()\n\nllc_ui_autobind() opens a SAP after choosing a dynamic LSAP.\nllc_sap_open() returns a reference owned by the caller, and\nllc_sap_add_socket() takes a second reference for the socket's\nmembership in the SAP hash tables.\n\nllc_ui_bind() drops the caller's reference after adding the socket,\nbut llc_ui_autobind() keeps it. When the socket is closed,\nllc_sap_remove_socket() releases only the socket reference, leaving\nthe SAP on llc_sap_list with sk_count == 0.\n\nThis is user-visible because repeated autobind and close cycles can consume\nall dynamic SAP values and make later autobinds fail with -EUSERS.\n\nDrop the caller's reference after a successful autobind, matching\nllc_ui_bind()'s ownership model."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/llc/af_llc.c"],"versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"79dc4b508e3f2649390a1f745f7657813e5938ec","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"a2f9fa31ae021ef1fdcaf3ab17bd49f9223dd6a4","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"b589a965184dde49c43b8caf5bcc65715a7b4ef2","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"c7881b6088276601beaccb7440b8d56eab0d65ae","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"b2fc9955ddc7c4ca03be44b995193bd6486c62e1","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"61a7ff4a62003b55a15022567486741b3bd83914","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"21a537606fe35be2b85971a5fd35c0023b6ef98f","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"660667cd406648bbaffbd5c0d897c2263a852f11","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/llc/af_llc.c"],"versions":[{"version":"2.6.12","status":"affected"},{"version":"0","lessThan":"2.6.12","status":"unaffected","versionType":"semver"},{"version":"5.10.261","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.212","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.178","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.145","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.97","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.40","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1.5","lessThanOrEqual":"7.1.*","status":"unaffected","versionType":"semver"},{"version":"7.2","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":"2.6.12","versionEndExcluding":"5.10.261"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.15.212"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.1.178"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.6.145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.12.97"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/79dc4b508e3f2649390a1f745f7657813e5938ec"},{"url":"https://git.kernel.org/stable/c/a2f9fa31ae021ef1fdcaf3ab17bd49f9223dd6a4"},{"url":"https://git.kernel.org/stable/c/b589a965184dde49c43b8caf5bcc65715a7b4ef2"},{"url":"https://git.kernel.org/stable/c/c7881b6088276601beaccb7440b8d56eab0d65ae"},{"url":"https://git.kernel.org/stable/c/b2fc9955ddc7c4ca03be44b995193bd6486c62e1"},{"url":"https://git.kernel.org/stable/c/61a7ff4a62003b55a15022567486741b3bd83914"},{"url":"https://git.kernel.org/stable/c/21a537606fe35be2b85971a5fd35c0023b6ef98f"},{"url":"https://git.kernel.org/stable/c/660667cd406648bbaffbd5c0d897c2263a852f11"}],"title":"llc: fix SAP refcount leak in llc_ui_autobind()","x_generator":{"engine":"bippy-1.2.0"}}}}