{"api_version":"1","generated_at":"2026-08-15T08:45:37+00:00","cve":"CVE-2026-74416","urls":{"html":"https://cve.report/CVE-2026-74416","api":"https://cve.report/api/cve/CVE-2026-74416.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74416","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74416"},"summary":{"title":"drm/radeon: fix memory leak in radeon_ring_restore() on lock failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/radeon: fix memory leak in radeon_ring_restore() on lock failure\n\nradeon_ring_restore() takes ownership of the data buffer allocated by\nradeon_ring_backup(). The caller (radeon_gpu_reset()) only frees it in\nthe non-restore branch; in the restore branch it relies on\nradeon_ring_restore() to free it.\n\nIf radeon_ring_lock() fails, the function returned early without calling\nkvfree(data), leaking the ring backup buffer on every GPU reset that\nfails at the lock stage. During repeated GPU resets this causes\ncumulative kernel memory exhaustion.\n\nFree data before returning the error.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:22:43","updated_at":"2026-08-15 06:22:43"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/82f1d6042611d45b8b9de423bbcb4e0ced9ec62b","name":"https://git.kernel.org/stable/c/82f1d6042611d45b8b9de423bbcb4e0ced9ec62b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1c9ba32308c02c198c378fcdf06be9ffc3111147","name":"https://git.kernel.org/stable/c/1c9ba32308c02c198c378fcdf06be9ffc3111147","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/06dc892561f5a08b2493c34c8ec2cb94dea33159","name":"https://git.kernel.org/stable/c/06dc892561f5a08b2493c34c8ec2cb94dea33159","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ccc42187fc2d0720947a63ce1b9e399d2c068ff4","name":"https://git.kernel.org/stable/c/ccc42187fc2d0720947a63ce1b9e399d2c068ff4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/63912418f1fbb6456ea04bbcdf8f4d5090d23350","name":"https://git.kernel.org/stable/c/63912418f1fbb6456ea04bbcdf8f4d5090d23350","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/07c213f3499dd72e2922c1c73fe9ffea24874bef","name":"https://git.kernel.org/stable/c/07c213f3499dd72e2922c1c73fe9ffea24874bef","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/eecfb76129ebef7e3aa41e18a4668cd91dfc6267","name":"https://git.kernel.org/stable/c/eecfb76129ebef7e3aa41e18a4668cd91dfc6267","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/919e3e398bf301c6418dffdcd5e5c4fd9be39cf7","name":"https://git.kernel.org/stable/c/919e3e398bf301c6418dffdcd5e5c4fd9be39cf7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74416","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74416","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 55d7c22192becd0ec827a6901899ff56fa985658 63912418f1fbb6456ea04bbcdf8f4d5090d23350 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 55d7c22192becd0ec827a6901899ff56fa985658 919e3e398bf301c6418dffdcd5e5c4fd9be39cf7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 55d7c22192becd0ec827a6901899ff56fa985658 07c213f3499dd72e2922c1c73fe9ffea24874bef git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 55d7c22192becd0ec827a6901899ff56fa985658 1c9ba32308c02c198c378fcdf06be9ffc3111147 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.212 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.178 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.145 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.97 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc1 * 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/gpu/drm/radeon/radeon_ring.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"63912418f1fbb6456ea04bbcdf8f4d5090d23350","status":"affected","version":"55d7c22192becd0ec827a6901899ff56fa985658","versionType":"git"},{"lessThan":"919e3e398bf301c6418dffdcd5e5c4fd9be39cf7","status":"affected","version":"55d7c22192becd0ec827a6901899ff56fa985658","versionType":"git"},{"lessThan":"07c213f3499dd72e2922c1c73fe9ffea24874bef","status":"affected","version":"55d7c22192becd0ec827a6901899ff56fa985658","versionType":"git"},{"lessThan":"1c9ba32308c02c198c378fcdf06be9ffc3111147","status":"affected","version":"55d7c22192becd0ec827a6901899ff56fa985658","versionType":"git"},{"lessThan":"eecfb76129ebef7e3aa41e18a4668cd91dfc6267","status":"affected","version":"55d7c22192becd0ec827a6901899ff56fa985658","versionType":"git"},{"lessThan":"06dc892561f5a08b2493c34c8ec2cb94dea33159","status":"affected","version":"55d7c22192becd0ec827a6901899ff56fa985658","versionType":"git"},{"lessThan":"ccc42187fc2d0720947a63ce1b9e399d2c068ff4","status":"affected","version":"55d7c22192becd0ec827a6901899ff56fa985658","versionType":"git"},{"lessThan":"82f1d6042611d45b8b9de423bbcb4e0ced9ec62b","status":"affected","version":"55d7c22192becd0ec827a6901899ff56fa985658","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/radeon/radeon_ring.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.6"},{"lessThan":"3.6","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.261","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.212","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.261","versionStartIncluding":"3.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.212","versionStartIncluding":"3.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.178","versionStartIncluding":"3.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.145","versionStartIncluding":"3.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"3.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"3.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"3.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","versionStartIncluding":"3.6","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/radeon: fix memory leak in radeon_ring_restore() on lock failure\n\nradeon_ring_restore() takes ownership of the data buffer allocated by\nradeon_ring_backup(). The caller (radeon_gpu_reset()) only frees it in\nthe non-restore branch; in the restore branch it relies on\nradeon_ring_restore() to free it.\n\nIf radeon_ring_lock() fails, the function returned early without calling\nkvfree(data), leaking the ring backup buffer on every GPU reset that\nfails at the lock stage. During repeated GPU resets this causes\ncumulative kernel memory exhaustion.\n\nFree data before returning the error."}],"providerMetadata":{"dateUpdated":"2026-08-15T05:59:22.077Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/63912418f1fbb6456ea04bbcdf8f4d5090d23350"},{"url":"https://git.kernel.org/stable/c/919e3e398bf301c6418dffdcd5e5c4fd9be39cf7"},{"url":"https://git.kernel.org/stable/c/07c213f3499dd72e2922c1c73fe9ffea24874bef"},{"url":"https://git.kernel.org/stable/c/1c9ba32308c02c198c378fcdf06be9ffc3111147"},{"url":"https://git.kernel.org/stable/c/eecfb76129ebef7e3aa41e18a4668cd91dfc6267"},{"url":"https://git.kernel.org/stable/c/06dc892561f5a08b2493c34c8ec2cb94dea33159"},{"url":"https://git.kernel.org/stable/c/ccc42187fc2d0720947a63ce1b9e399d2c068ff4"},{"url":"https://git.kernel.org/stable/c/82f1d6042611d45b8b9de423bbcb4e0ced9ec62b"}],"title":"drm/radeon: fix memory leak in radeon_ring_restore() on lock failure","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74416","datePublished":"2026-08-15T05:59:22.077Z","dateReserved":"2026-08-15T05:44:03.893Z","dateUpdated":"2026-08-15T05:59:22.077Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:22:43","lastModifiedDate":"2026-08-15 06:22:43","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74416","Ordinal":"1","Title":"drm/radeon: fix memory leak in radeon_ring_restore() on lock fai","CVE":"CVE-2026-74416","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74416","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/radeon: fix memory leak in radeon_ring_restore() on lock failure\n\nradeon_ring_restore() takes ownership of the data buffer allocated by\nradeon_ring_backup(). The caller (radeon_gpu_reset()) only frees it in\nthe non-restore branch; in the restore branch it relies on\nradeon_ring_restore() to free it.\n\nIf radeon_ring_lock() fails, the function returned early without calling\nkvfree(data), leaking the ring backup buffer on every GPU reset that\nfails at the lock stage. During repeated GPU resets this causes\ncumulative kernel memory exhaustion.\n\nFree data before returning the error.","Type":"Description","Title":"drm/radeon: fix memory leak in radeon_ring_restore() on lock fai"}]}}}