{"api_version":"1","generated_at":"2026-05-28T16:29:35+00:00","cve":"CVE-2026-46240","urls":{"html":"https://cve.report/CVE-2026-46240","api":"https://cve.report/api/cve/CVE-2026-46240.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-46240","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-46240"},"summary":{"title":"media: iris: Fix use-after-free in iris_release_internal_buffers()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: iris: Fix use-after-free in iris_release_internal_buffers()\n\nThe recent change in commit 1dabf00ee206 (\"media: iris: gen1: Destroy\ninternal buffers after FW releases\") introduced a regression where\nsession_release_buf() may free the buffer. The caller,\niris_release_internal_buffers(), continued to access `buffer` after the\ncall, leading to a potential use-after-free.\n\nFix this by setting BUF_ATTR_PENDING_RELEASE before calling\nsession_release_buf(), and reverting the flag if the call fails. This\nensures no dereference occurs after potential freeing.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-28 10:16:39","updated_at":"2026-05-28 13:44:01"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/f27cfdcfc916bb59297825805f4c3499f89f9e76","name":"https://git.kernel.org/stable/c/f27cfdcfc916bb59297825805f4c3499f89f9e76","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/dd24998a4a4016fb9921916024399bd80f0d45c6","name":"https://git.kernel.org/stable/c/dd24998a4a4016fb9921916024399bd80f0d45c6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/18c64439f249859b6140f7bf8bcf95c8ed841f28","name":"https://git.kernel.org/stable/c/18c64439f249859b6140f7bf8bcf95c8ed841f28","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-46240","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46240","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7cde76db8883ec8a3d1456068079ecadbfb15ca5 dd24998a4a4016fb9921916024399bd80f0d45c6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1dabf00ee206eceb0f08a1fe5d1ce635f9064338 18c64439f249859b6140f7bf8bcf95c8ed841f28 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1dabf00ee206eceb0f08a1fe5d1ce635f9064338 f27cfdcfc916bb59297825805f4c3499f89f9e76 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d4457f23ac0130240053a34be663f0fade3bb371 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18.16 6.18.32 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.19.6 6.20 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7.0","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.32 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.9 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1-rc3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/media/platform/qcom/iris/iris_buffer.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"dd24998a4a4016fb9921916024399bd80f0d45c6","status":"affected","version":"7cde76db8883ec8a3d1456068079ecadbfb15ca5","versionType":"git"},{"lessThan":"18c64439f249859b6140f7bf8bcf95c8ed841f28","status":"affected","version":"1dabf00ee206eceb0f08a1fe5d1ce635f9064338","versionType":"git"},{"lessThan":"f27cfdcfc916bb59297825805f4c3499f89f9e76","status":"affected","version":"1dabf00ee206eceb0f08a1fe5d1ce635f9064338","versionType":"git"},{"status":"affected","version":"d4457f23ac0130240053a34be663f0fade3bb371","versionType":"git"},{"lessThan":"6.18.32","status":"affected","version":"6.18.16","versionType":"semver"},{"lessThan":"6.20","status":"affected","version":"6.19.6","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/media/platform/qcom/iris/iris_buffer.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.0"},{"lessThan":"7.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.32","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1-rc3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.32","versionStartIncluding":"6.18.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.9","versionStartIncluding":"7.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1-rc3","versionStartIncluding":"7.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19.6","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: iris: Fix use-after-free in iris_release_internal_buffers()\n\nThe recent change in commit 1dabf00ee206 (\"media: iris: gen1: Destroy\ninternal buffers after FW releases\") introduced a regression where\nsession_release_buf() may free the buffer. The caller,\niris_release_internal_buffers(), continued to access `buffer` after the\ncall, leading to a potential use-after-free.\n\nFix this by setting BUF_ATTR_PENDING_RELEASE before calling\nsession_release_buf(), and reverting the flag if the call fails. This\nensures no dereference occurs after potential freeing."}],"providerMetadata":{"dateUpdated":"2026-05-28T09:41:08.376Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/dd24998a4a4016fb9921916024399bd80f0d45c6"},{"url":"https://git.kernel.org/stable/c/18c64439f249859b6140f7bf8bcf95c8ed841f28"},{"url":"https://git.kernel.org/stable/c/f27cfdcfc916bb59297825805f4c3499f89f9e76"}],"title":"media: iris: Fix use-after-free in iris_release_internal_buffers()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-46240","datePublished":"2026-05-28T09:41:08.376Z","dateReserved":"2026-05-13T15:03:33.107Z","dateUpdated":"2026-05-28T09:41:08.376Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-28 10:16:39","lastModifiedDate":"2026-05-28 13:44:01","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"46240","Ordinal":"1","Title":"media: iris: Fix use-after-free in iris_release_internal_buffers","CVE":"CVE-2026-46240","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"46240","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: iris: Fix use-after-free in iris_release_internal_buffers()\n\nThe recent change in commit 1dabf00ee206 (\"media: iris: gen1: Destroy\ninternal buffers after FW releases\") introduced a regression where\nsession_release_buf() may free the buffer. The caller,\niris_release_internal_buffers(), continued to access `buffer` after the\ncall, leading to a potential use-after-free.\n\nFix this by setting BUF_ATTR_PENDING_RELEASE before calling\nsession_release_buf(), and reverting the flag if the call fails. This\nensures no dereference occurs after potential freeing.","Type":"Description","Title":"media: iris: Fix use-after-free in iris_release_internal_buffers"}]}}}