{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53213", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.392Z", "datePublished": "2026-06-25T08:39:17.552Z", "dateUpdated": "2026-06-25T08:39:17.552Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-25T08:39:17.552Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vc4: fix krealloc() memory leak\n\nDon't just overwrite the original pointer passed to krealloc()\nwith its return value without checking latter:\n\n MEM = krealloc(MEM, SZ, GFP);\n\nIf krealloc() returns NULL, that erases the pointer\nto the still allocated memory, hence leaks this memory.\nInstead, use a temporary variable, check it's not NULL\nand only then assign it to the original pointer:\n\n TMP = krealloc(MEM, SZ, GFP);\n if (!TMP) return;\n MEM = TMP;\n\nWhile on it, use krealloc_array()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/vc4/vc4_validate_shaders.c"], "versions": [{"version": "6d45c81d229d71da54d374143e7d6abad4c0cf31", "lessThan": "30165a09f76eaf34951c818eb5d9d6e4771d76f6", "status": "affected", "versionType": "git"}, {"version": "6d45c81d229d71da54d374143e7d6abad4c0cf31", "lessThan": "fd87d6966041e33ef7d2e5dc59f9a52b71c6ae5f", "status": "affected", "versionType": "git"}, {"version": "6d45c81d229d71da54d374143e7d6abad4c0cf31", "lessThan": "e0ce103e89d61eef70edc1d1ae3bfd4c0aacbc2e", "status": "affected", "versionType": "git"}, {"version": "6d45c81d229d71da54d374143e7d6abad4c0cf31", "lessThan": "c034aa0b1ba5f49cbdf8ef193d6ec714d74aac27", "status": "affected", "versionType": "git"}, {"version": "6d45c81d229d71da54d374143e7d6abad4c0cf31", "lessThan": "02f5e4db57c0cdd7bac89d503b301a093a0fa95c", "status": "affected", "versionType": "git"}, {"version": "6d45c81d229d71da54d374143e7d6abad4c0cf31", "lessThan": "4fc692dc6df5bc777cc1bcebf95179e28594875f", "status": "affected", "versionType": "git"}, {"version": "6d45c81d229d71da54d374143e7d6abad4c0cf31", "lessThan": "5d563a5da8717629ae72f9eadf1e0e340bd1658b", "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/vc4/vc4_validate_shaders.c"], "versions": [{"version": "4.8", "status": "affected"}, {"version": "0", "lessThan": "4.8", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.210", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.176", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.143", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.94", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.36", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.13", "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": "4.8", "versionEndExcluding": "5.15.210"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "6.1.176"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "6.6.143"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "6.12.94"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "6.18.36"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "7.0.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/30165a09f76eaf34951c818eb5d9d6e4771d76f6"}, {"url": "https://git.kernel.org/stable/c/fd87d6966041e33ef7d2e5dc59f9a52b71c6ae5f"}, {"url": "https://git.kernel.org/stable/c/e0ce103e89d61eef70edc1d1ae3bfd4c0aacbc2e"}, {"url": "https://git.kernel.org/stable/c/c034aa0b1ba5f49cbdf8ef193d6ec714d74aac27"}, {"url": "https://git.kernel.org/stable/c/02f5e4db57c0cdd7bac89d503b301a093a0fa95c"}, {"url": "https://git.kernel.org/stable/c/4fc692dc6df5bc777cc1bcebf95179e28594875f"}, {"url": "https://git.kernel.org/stable/c/5d563a5da8717629ae72f9eadf1e0e340bd1658b"}], "title": "drm/vc4: fix krealloc() memory leak", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"bugzilla": {"description": "kernel: drm/vc4: fix krealloc() memory leak", "id": "2492749", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492749"}, "csaw": false, "cwe": "CWE-253", "details": ["A flaw was found in the Linux kernel's `drm/vc4` component. This vulnerability occurs due to incorrect handling of the `krealloc()` function's return value. If `krealloc()` fails and returns a null value, the original pointer to allocated memory is overwritten without proper validation, leading to a memory leak. This can result in system instability or resource exhaustion over time."], "name": "CVE-2026-53213", "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: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"}], "public_date": "2026-06-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53213\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53213\nhttps://lore.kernel.org/linux-cve-announce/2026062503-CVE-2026-53213-e52f@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6d45c81d229d71da54d374143e7d6abad4c0cf31,30165a09f76eaf34951c818eb5d9d6e4771d76f6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6d45c81d229d71da54d374143e7d6abad4c0cf31,fd87d6966041e33ef7d2e5dc59f9a52b71c6ae5f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6d45c81d229d71da54d374143e7d6abad4c0cf31,e0ce103e89d61eef70edc1d1ae3bfd4c0aacbc2e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6d45c81d229d71da54d374143e7d6abad4c0cf31,c034aa0b1ba5f49cbdf8ef193d6ec714d74aac27)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6d45c81d229d71da54d374143e7d6abad4c0cf31,02f5e4db57c0cdd7bac89d503b301a093a0fa95c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6d45c81d229d71da54d374143e7d6abad4c0cf31,4fc692dc6df5bc777cc1bcebf95179e28594875f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6d45c81d229d71da54d374143e7d6abad4c0cf31,5d563a5da8717629ae72f9eadf1e0e340bd1658b)"}}], "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": "4.8"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,4.8)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.210,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.176,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.143,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.94,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.13,7.1.0)"}}, {"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": "2026-06-25T11:30:06.465046+00:00", "updated": "2026-06-26T18:00:06.120616+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}