{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-53391", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-17T14:54:09.737Z", "datePublished": "2025-09-18T13:33:33.602Z", "dateUpdated": "2025-09-18T13:33:33.602Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-09-18T13:33:33.602Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nshmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs\n\nAs the ramfs-based tmpfs uses ramfs_init_fs_context() for the\ninit_fs_context method, which allocates fc->s_fs_info, use ramfs_kill_sb()\nto free it and avoid a memory leak."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ramfs/inode.c", "include/linux/ramfs.h", "mm/shmem.c"], "versions": [{"version": "c3b1b1cbf002e65a3cabd479e68b5f35886a26db", "lessThan": "5fada375113767b3b57f1b04f7a4fe64ffaa626f", "status": "affected", "versionType": "git"}, {"version": "c3b1b1cbf002e65a3cabd479e68b5f35886a26db", "lessThan": "487f229efea80c00dd7397547ec4f25fb8999d99", "status": "affected", "versionType": "git"}, {"version": "c3b1b1cbf002e65a3cabd479e68b5f35886a26db", "lessThan": "1f34bf8b442c6d720e7fa6f15e8702427e48aea9", "status": "affected", "versionType": "git"}, {"version": "c3b1b1cbf002e65a3cabd479e68b5f35886a26db", "lessThan": "ebe07db840992a3886694ac3d303b06f4b70ce00", "status": "affected", "versionType": "git"}, {"version": "c3b1b1cbf002e65a3cabd479e68b5f35886a26db", "lessThan": "36ce9d76b0a93bae799e27e4f5ac35478c676592", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ramfs/inode.c", "include/linux/ramfs.h", "mm/shmem.c"], "versions": [{"version": "2.6.30", "status": "affected"}, {"version": "0", "lessThan": "2.6.30", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.188", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.121", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.39", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.4.4", "lessThanOrEqual": "6.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.5", "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": "2.6.30", "versionEndExcluding": "5.10.188"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "5.15.121"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "6.1.39"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "6.4.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "6.5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5fada375113767b3b57f1b04f7a4fe64ffaa626f"}, {"url": "https://git.kernel.org/stable/c/487f229efea80c00dd7397547ec4f25fb8999d99"}, {"url": "https://git.kernel.org/stable/c/1f34bf8b442c6d720e7fa6f15e8702427e48aea9"}, {"url": "https://git.kernel.org/stable/c/ebe07db840992a3886694ac3d303b06f4b70ce00"}, {"url": "https://git.kernel.org/stable/c/36ce9d76b0a93bae799e27e4f5ac35478c676592"}], "title": "shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nshmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs\n\nAs the ramfs-based tmpfs uses ramfs_init_fs_context() for the\ninit_fs_context method, which allocates fc->s_fs_info, use ramfs_kill_sb()\nto free it and avoid a memory leak."}], "id": "CVE-2023-53391", "lastModified": "2025-09-18T14:15:42.237", "metrics": {}, "published": "2025-09-18T14:15:42.237", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1f34bf8b442c6d720e7fa6f15e8702427e48aea9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/36ce9d76b0a93bae799e27e4f5ac35478c676592"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/487f229efea80c00dd7397547ec4f25fb8999d99"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5fada375113767b3b57f1b04f7a4fe64ffaa626f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ebe07db840992a3886694ac3d303b06f4b70ce00"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs", "id": "2396423", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2396423"}, "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"}, "details": ["No description is available for this CVE."], "name": "CVE-2023-53391", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-09-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53391\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53391\nhttps://lore.kernel.org/linux-cve-announce/2025091858-CVE-2023-53391-cea3@gregkh/T"], "threat_severity": "Low"}