{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45921", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.085Z", "datePublished": "2026-05-27T12:17:40.032Z", "dateUpdated": "2026-05-27T12:17:40.032Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-27T12:17:40.032Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: parsers: Fix memory leak in mtd_parser_tplink_safeloader_parse()\n\nThe function mtd_parser_tplink_safeloader_parse() allocates buf via\nmtd_parser_tplink_safeloader_read_table(). If the allocation for\nparts[idx].name fails inside the loop, the code jumps to the err_free\nlabel without freeing buf, leading to a memory leak.\n\nFix this by freeing the temporary buffer buf in the err_free label.\n\nCompile tested only. Issue found using a prototype static analysis tool\nand code review."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/mtd/parsers/tplink_safeloader.c"], "versions": [{"version": "00a3588084bee6f37bb2b1d343f96900cfe049bc", "lessThan": "0f5e62ea5c43146eacdc6861cb1022ffae1b79bc", "status": "affected", "versionType": "git"}, {"version": "00a3588084bee6f37bb2b1d343f96900cfe049bc", "lessThan": "e97f5fac8ce9a6b9ec724c97d86b0985e915fdca", "status": "affected", "versionType": "git"}, {"version": "00a3588084bee6f37bb2b1d343f96900cfe049bc", "lessThan": "ec121ad626c319085f6d40a52cd04e99b4554926", "status": "affected", "versionType": "git"}, {"version": "00a3588084bee6f37bb2b1d343f96900cfe049bc", "lessThan": "971e9c53aed82f17a9c6a65daa4e21cc15eba5b1", "status": "affected", "versionType": "git"}, {"version": "00a3588084bee6f37bb2b1d343f96900cfe049bc", "lessThan": "980ce2b02dd06a4fdf5fee38b2e14becf9cf7b8b", "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/mtd/parsers/tplink_safeloader.c"], "versions": [{"version": "6.2", "status": "affected"}, {"version": "0", "lessThan": "6.2", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.128", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.75", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.14", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.4", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "6.2", "versionEndExcluding": "6.6.128"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.12.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.18.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.19.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0f5e62ea5c43146eacdc6861cb1022ffae1b79bc"}, {"url": "https://git.kernel.org/stable/c/e97f5fac8ce9a6b9ec724c97d86b0985e915fdca"}, {"url": "https://git.kernel.org/stable/c/ec121ad626c319085f6d40a52cd04e99b4554926"}, {"url": "https://git.kernel.org/stable/c/971e9c53aed82f17a9c6a65daa4e21cc15eba5b1"}, {"url": "https://git.kernel.org/stable/c/980ce2b02dd06a4fdf5fee38b2e14becf9cf7b8b"}], "title": "mtd: parsers: Fix memory leak in mtd_parser_tplink_safeloader_parse()", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/mtd/parsers/tplink_safeloader.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "0f5e62ea5c43146eacdc6861cb1022ffae1b79bc", "status": "affected", "version": "00a3588084bee6f37bb2b1d343f96900cfe049bc", "versionType": "git"}, {"lessThan": "e97f5fac8ce9a6b9ec724c97d86b0985e915fdca", "status": "affected", "version": "00a3588084bee6f37bb2b1d343f96900cfe049bc", "versionType": "git"}, {"lessThan": "ec121ad626c319085f6d40a52cd04e99b4554926", "status": "affected", "version": "00a3588084bee6f37bb2b1d343f96900cfe049bc", "versionType": "git"}, {"lessThan": "971e9c53aed82f17a9c6a65daa4e21cc15eba5b1", "status": "affected", "version": "00a3588084bee6f37bb2b1d343f96900cfe049bc", "versionType": "git"}, {"lessThan": "980ce2b02dd06a4fdf5fee38b2e14becf9cf7b8b", "status": "affected", "version": "00a3588084bee6f37bb2b1d343f96900cfe049bc", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/mtd/parsers/tplink_safeloader.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.2"}, {"lessThan": "6.2", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.128", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.75", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.14", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: parsers: Fix memory leak in mtd_parser_tplink_safeloader_parse()\n\nThe function mtd_parser_tplink_safeloader_parse() allocates buf via\nmtd_parser_tplink_safeloader_read_table(). If the allocation for\nparts[idx].name fails inside the loop, the code jumps to the err_free\nlabel without freeing buf, leading to a memory leak.\n\nFix this by freeing the temporary buffer buf in the err_free label.\n\nCompile tested only. Issue found using a prototype static analysis tool\nand code review."}], "id": "CVE-2026-45921", "lastModified": "2026-06-17T10:52:44.067", "metrics": {}, "published": "2026-05-27T14:17:07.070", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0f5e62ea5c43146eacdc6861cb1022ffae1b79bc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/971e9c53aed82f17a9c6a65daa4e21cc15eba5b1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/980ce2b02dd06a4fdf5fee38b2e14becf9cf7b8b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e97f5fac8ce9a6b9ec724c97d86b0985e915fdca"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ec121ad626c319085f6d40a52cd04e99b4554926"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: mtd: parsers: Fix memory leak in mtd_parser_tplink_safeloader_parse()", "id": "2482017", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482017"}, "csaw": false, "cwe": "CWE-772", "details": ["A flaw was found in the Linux kernel's `mtd: parsers` component. A memory leak occurs in the `mtd_parser_tplink_safeloader_parse()` function. This happens when a buffer is allocated but not freed if a subsequent allocation for a part name fails, leading to unreleased memory. This could potentially lead to resource exhaustion over time, impacting system stability and availability."], "name": "CVE-2026-45921", "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": "2026-05-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-45921\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-45921\nhttps://lore.kernel.org/linux-cve-announce/2026052724-CVE-2026-45921-065b@gregkh/T"]}

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