{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68236", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.376Z", "datePublished": "2026-08-10T12:01:01.114Z", "dateUpdated": "2026-08-10T12:01:01.114Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-10T12:01:01.114Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: set new_stream to NULL after release\n\nIn dm_update_crtc_state(), the skip_modeset path releases new_stream\nvia dc_stream_release() but does not set the pointer to NULL.\n\nIf a later error (e.g., color management failure) triggers the fail\nlabel, the error path calls dc_stream_release() again on the same\ndangling pointer, causing a double release and potential use-after-free.\n\nFix this by setting new_stream to NULL after the initial release.\n\n(cherry picked from commit 99f3af19073b3ddbfd96e789124cce12c4277b28)"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c"], "versions": [{"version": "9b690ef3c70422cdcd0cf912db33f2c92ef4a53f", "lessThan": "ba8bf1dcbb44773e7a0fd13b42925c644e0d5e76", "status": "affected", "versionType": "git"}, {"version": "9b690ef3c70422cdcd0cf912db33f2c92ef4a53f", "lessThan": "5182e442e61397d446c36995b8f5676942d35b82", "status": "affected", "versionType": "git"}, {"version": "9b690ef3c70422cdcd0cf912db33f2c92ef4a53f", "lessThan": "679f23f0a3606afcef1ffabd72222f00a54ad9e3", "status": "affected", "versionType": "git"}, {"version": "9b690ef3c70422cdcd0cf912db33f2c92ef4a53f", "lessThan": "0676fecbb5242aa22c057e78326d6d6041db034c", "status": "affected", "versionType": "git"}, {"version": "9b690ef3c70422cdcd0cf912db33f2c92ef4a53f", "lessThan": "9fa26b9eed6195bf840f39ac183b9a6237548755", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c"], "versions": [{"version": "4.15", "status": "affected"}, {"version": "0", "lessThan": "4.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.148", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.101", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.42", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.6", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc4", "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": "4.15", "versionEndExcluding": "6.6.148"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "6.12.101"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "7.2-rc4"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ba8bf1dcbb44773e7a0fd13b42925c644e0d5e76"}, {"url": "https://git.kernel.org/stable/c/5182e442e61397d446c36995b8f5676942d35b82"}, {"url": "https://git.kernel.org/stable/c/679f23f0a3606afcef1ffabd72222f00a54ad9e3"}, {"url": "https://git.kernel.org/stable/c/0676fecbb5242aa22c057e78326d6d6041db034c"}, {"url": "https://git.kernel.org/stable/c/9fa26b9eed6195bf840f39ac183b9a6237548755"}], "title": "drm/amd/display: set new_stream to NULL after release", "x_generator": {"engine": "bippy-1.2.0"}}}}

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