{"api_version":"1","generated_at":"2026-06-27T00:32:30+00:00","cve":"CVE-2026-53210","urls":{"html":"https://cve.report/CVE-2026-53210","api":"https://cve.report/api/cve/CVE-2026-53210.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53210","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53210"},"summary":{"title":"tee: shm: fix shm leak in register_shm_helper()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntee: shm: fix shm leak in register_shm_helper()\n\nregister_shm_helper() allocates shm before calling\niov_iter_npages(). If iov_iter_npages() returns 0, the function\njumps to err_ctx_put and leaks shm.\n\nThis can be triggered by TEE_IOC_SHM_REGISTER with\nstruct tee_ioctl_shm_register_data where length is 0.\n\nJump to err_free_shm instead.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-25 09:16:38","updated_at":"2026-06-25 09:16:38"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/26682f5efc276e3ad96d102019472bfbf03833b2","name":"https://git.kernel.org/stable/c/26682f5efc276e3ad96d102019472bfbf03833b2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4277759906b44d923a38c8f59f5576501b187b0d","name":"https://git.kernel.org/stable/c/4277759906b44d923a38c8f59f5576501b187b0d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/dbf779db927414f5b37c1f666013e9b48a88cfde","name":"https://git.kernel.org/stable/c/dbf779db927414f5b37c1f666013e9b48a88cfde","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c10c9c48b2903f41ed4c532043b0576e86228236","name":"https://git.kernel.org/stable/c/c10c9c48b2903f41ed4c532043b0576e86228236","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53210","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53210","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7bdee41575919773818e525ea19e54eb817770af 4277759906b44d923a38c8f59f5576501b187b0d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7bdee41575919773818e525ea19e54eb817770af c10c9c48b2903f41ed4c532043b0576e86228236 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7bdee41575919773818e525ea19e54eb817770af dbf779db927414f5b37c1f666013e9b48a88cfde git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7bdee41575919773818e525ea19e54eb817770af 26682f5efc276e3ad96d102019472bfbf03833b2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.8","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.8 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.94 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.36 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.13 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"53210","cve":"CVE-2026-53210","epss":"0.001750000","percentile":"0.072340000","score_date":"2026-06-26","updated_at":"2026-06-27 00:07:46"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/tee/tee_shm.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4277759906b44d923a38c8f59f5576501b187b0d","status":"affected","version":"7bdee41575919773818e525ea19e54eb817770af","versionType":"git"},{"lessThan":"c10c9c48b2903f41ed4c532043b0576e86228236","status":"affected","version":"7bdee41575919773818e525ea19e54eb817770af","versionType":"git"},{"lessThan":"dbf779db927414f5b37c1f666013e9b48a88cfde","status":"affected","version":"7bdee41575919773818e525ea19e54eb817770af","versionType":"git"},{"lessThan":"26682f5efc276e3ad96d102019472bfbf03833b2","status":"affected","version":"7bdee41575919773818e525ea19e54eb817770af","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/tee/tee_shm.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.8"},{"lessThan":"6.8","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.94","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.36","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.13","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.94","versionStartIncluding":"6.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.36","versionStartIncluding":"6.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.13","versionStartIncluding":"6.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"6.8","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ntee: shm: fix shm leak in register_shm_helper()\n\nregister_shm_helper() allocates shm before calling\niov_iter_npages(). If iov_iter_npages() returns 0, the function\njumps to err_ctx_put and leaks shm.\n\nThis can be triggered by TEE_IOC_SHM_REGISTER with\nstruct tee_ioctl_shm_register_data where length is 0.\n\nJump to err_free_shm instead."}],"providerMetadata":{"dateUpdated":"2026-06-25T08:39:15.569Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/4277759906b44d923a38c8f59f5576501b187b0d"},{"url":"https://git.kernel.org/stable/c/c10c9c48b2903f41ed4c532043b0576e86228236"},{"url":"https://git.kernel.org/stable/c/dbf779db927414f5b37c1f666013e9b48a88cfde"},{"url":"https://git.kernel.org/stable/c/26682f5efc276e3ad96d102019472bfbf03833b2"}],"title":"tee: shm: fix shm leak in register_shm_helper()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53210","datePublished":"2026-06-25T08:39:15.569Z","dateReserved":"2026-06-09T07:44:35.391Z","dateUpdated":"2026-06-25T08:39:15.569Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-25 09:16:38","lastModifiedDate":"2026-06-25 09:16:38","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53210","Ordinal":"1","Title":"tee: shm: fix shm leak in register_shm_helper()","CVE":"CVE-2026-53210","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53210","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ntee: shm: fix shm leak in register_shm_helper()\n\nregister_shm_helper() allocates shm before calling\niov_iter_npages(). If iov_iter_npages() returns 0, the function\njumps to err_ctx_put and leaks shm.\n\nThis can be triggered by TEE_IOC_SHM_REGISTER with\nstruct tee_ioctl_shm_register_data where length is 0.\n\nJump to err_free_shm instead.","Type":"Description","Title":"tee: shm: fix shm leak in register_shm_helper()"}]}}}