CVE-2026-64231

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Lower ctrl_size by the io_offset value to prevent\naccess past the mapped area.\n\n msm_disp_snapshot_add_block+0x1d4/0x3c8 [msm] (P)\n msm_dsi_host_snapshot+0x4c/0x78 [msm]\n msm_dsi_snapshot+0x28/0x50 [msm]\n msm_disp_snapshot_capture_state+0x74/0x140 [msm]\n msm_disp_snapshot_state_sync+0x60/0x90 [msm]\n _msm_disp_snapshot_work+0x30/0x90 [msm]\n kthread_worker_fn+0xdc/0x460\n kthread+0x120/0x140\n\nPatchwork: https://patchwork.freedesktop.org/patch/721747/"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/msm/dsi/dsi_host.c"], "versions": [{"version": "bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645", "lessThan": "5e2c196c3430fb94225c4102b1028d0146544761", "status": "affected", "versionType": "git"}, {"version": "bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645", "lessThan": "567b5e976e2e15280d78c9ef2add1954a0bbb5b1", "status": "affected", "versionType": "git"}, {"version": "bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645", "lessThan": "9f8274749d9010a1a72f97e547b7eb9ebb82345b", "status": "affected", "versionType": "git"}, {"version": "bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645", "lessThan": "a184aec790135938b0fadb415e55accd1f8685a0", "status": "affected", "versionType": "git"}, {"version": "bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645", "lessThan": "ab871d5882953e5574ae2bc47bec88c2e3d22663", "status": "affected", "versionType": "git"}, {"version": "bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645", "lessThan": "5b49a46baa853b26dbefa65c6c75dd9ff69f63d4", "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/msm/dsi/dsi_host.c"], "versions": [{"version": "5.14", "status": "affected"}, {"version": "0", "lessThan": "5.14", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.175", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.142", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.92", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.34", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.11", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "5.14", "versionEndExcluding": "6.1.175"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.6.142"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.12.92"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.18.34"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "7.0.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5e2c196c3430fb94225c4102b1028d0146544761"}, {"url": "https://git.kernel.org/stable/c/567b5e976e2e15280d78c9ef2add1954a0bbb5b1"}, {"url": "https://git.kernel.org/stable/c/9f8274749d9010a1a72f97e547b7eb9ebb82345b"}, {"url": "https://git.kernel.org/stable/c/a184aec790135938b0fadb415e55accd1f8685a0"}, {"url": "https://git.kernel.org/stable/c/ab871d5882953e5574ae2bc47bec88c2e3d22663"}, {"url": "https://git.kernel.org/stable/c/5b49a46baa853b26dbefa65c6c75dd9ff69f63d4"}], "title": "drm/msm/dsi: don't dump registers past the mapped region", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/msm/dsi/dsi_host.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "5e2c196c3430fb94225c4102b1028d0146544761", "status": "affected", "version": "bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645", "versionType": "git"}, {"lessThan": "567b5e976e2e15280d78c9ef2add1954a0bbb5b1", "status": "affected", "version": "bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645", "versionType": "git"}, {"lessThan": "9f8274749d9010a1a72f97e547b7eb9ebb82345b", "status": "affected", "version": "bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645", "versionType": "git"}, {"lessThan": "a184aec790135938b0fadb415e55accd1f8685a0", "status": "affected", "version": "bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645", "versionType": "git"}, {"lessThan": "ab871d5882953e5574ae2bc47bec88c2e3d22663", "status": "affected", "version": "bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645", "versionType": "git"}, {"lessThan": "5b49a46baa853b26dbefa65c6c75dd9ff69f63d4", "status": "affected", "version": "bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/msm/dsi/dsi_host.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.14"}, {"lessThan": "5.14", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.175", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.142", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.92", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.34", "versionType": "semver"}, {"lessThanOrEqual": "7.0.*", "status": "unaffected", "version": "7.0.11", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E7AAAB15-AF5F-4419-ABBB-5E2F37BFCDFD", "versionEndExcluding": "6.1.175", "versionStartIncluding": "5.14", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FBFF77B0-526A-4AF1-84D0-ED7187624A67", "versionEndExcluding": "6.6.142", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "9CB90BD9-95B7-4D7F-9F17-4ECE6CFB66C9", "versionEndExcluding": "6.12.92", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A4B1EF6D-18D7-4838-BC37-7499D5DCC3C0", "versionEndExcluding": "6.18.34", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0520D091-FC52-4A50-AF07-70AE7D08B750", "versionEndExcluding": "7.0.11", "versionStartIncluding": "6.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*", "matchCriteriaId": "B1EF7059-E670-45F4-B422-54C40FA86390", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*", "matchCriteriaId": "0D38F0BF-A728-4133-A358-D44A2F7EE6D6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*", "matchCriteriaId": "EC732D08-5F7B-46D9-B154-E60C7F4F0A97", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc4:*:*:*:*:*:*", "matchCriteriaId": "E5910A9D-F60A-409A-B486-FE66BFEBA9B9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/dsi: don't dump registers past the mapped region\n\nOn DSI 6G platforms the IO address space is internally adjusted by\nio_offset. Later this adjusted address might be used for memory dumping.\nHowever the size that is used for memory dumping isn't adjusted to\naccount for the io_offset, leading to the potential access to the\nunmapped region. Lower ctrl_size by the io_offset value to prevent\naccess past the mapped area.\n\n msm_disp_snapshot_add_block+0x1d4/0x3c8 [msm] (P)\n msm_dsi_host_snapshot+0x4c/0x78 [msm]\n msm_dsi_snapshot+0x28/0x50 [msm]\n msm_disp_snapshot_capture_state+0x74/0x140 [msm]\n msm_disp_snapshot_state_sync+0x60/0x90 [msm]\n _msm_disp_snapshot_work+0x30/0x90 [msm]\n kthread_worker_fn+0xdc/0x460\n kthread+0x120/0x140\n\nPatchwork: https://patchwork.freedesktop.org/patch/721747/"}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ndrm/msm/dsi: no volcar registros m\u00e1s all\u00e1 de la regi\u00f3n mapeada\n\nEn plataformas DSI 6G, el espacio de direcciones de E/S se ajusta internamente mediante io_offset. M\u00e1s tarde, esta direcci\u00f3n ajustada podr\u00eda ser utilizada para el volcado de memoria. Sin embargo, el tama\u00f1o que se utiliza para el volcado de memoria no se ajusta para tener en cuenta el io_offset, lo que lleva al acceso potencial a la regi\u00f3n no mapeada. Reducir ctrl_size por el valor de io_offset para evitar el acceso m\u00e1s all\u00e1 del \u00e1rea mapeada.\n\n msm_disp_snapshot_add_block+0x1d4/0x3c8 [msm] (P)\n msm_dsi_host_snapshot+0x4c/0x78 [msm]\n msm_dsi_snapshot+0x28/0x50 [msm]\n msm_disp_snapshot_capture_state+0x74/0x140 [msm]\n msm_disp_snapshot_state_sync+0x60/0x90 [msm]\n _msm_disp_snapshot_work+0x30/0x90 [msm]\n kthread_worker_fn+0xdc/0x460\n kthread+0x120/0x140\n\nPatchwork: https://patchwork.freedesktop.org/patch/721747/"}], "id": "CVE-2026-64231", "lastModified": "2026-11-08T20:10:00.187", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-07-24T16:16:52.250", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/567b5e976e2e15280d78c9ef2add1954a0bbb5b1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5b49a46baa853b26dbefa65c6c75dd9ff69f63d4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5e2c196c3430fb94225c4102b1028d0146544761"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9f8274749d9010a1a72f97e547b7eb9ebb82345b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a184aec790135938b0fadb415e55accd1f8685a0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ab871d5882953e5574ae2bc47bec88c2e3d22663"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: drm/msm/dsi: don't dump registers past the mapped region", "id": "2506806", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2506806"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-131", "details": ["No description is available for this CVE."], "name": "CVE-2026-64231", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "libkrun", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:enterprise_linux_nvidia:", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux for NVIDIA 26"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "erlang27", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-07-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64231\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64231\nhttps://lore.kernel.org/linux-cve-announce/2026072419-CVE-2026-64231-b2c9@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645,5e2c196c3430fb94225c4102b1028d0146544761)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645,567b5e976e2e15280d78c9ef2add1954a0bbb5b1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645,9f8274749d9010a1a72f97e547b7eb9ebb82345b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645,a184aec790135938b0fadb415e55accd1f8685a0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645,ab871d5882953e5574ae2bc47bec88c2e3d22663)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645,5b49a46baa853b26dbefa65c6c75dd9ff69f63d4)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "5.14"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.14)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.175,6.2.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.142,6.7.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.92,6.13.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.34,6.19.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.11,7.1.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-07-24T22:15:03.849391+00:00", "updated": "2026-08-13T11:15:05.127612+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}