{"id":"CVE-2026-72298","revision":null,"records":[{"revision":"fe8dcfba6cbb44f0b2cab05ca8d15b11","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-72298","aliases":[],"title":"net: qrtr: fix 32-bit integer overflow in qrtr_endpoint_post()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: qrtr: fix 32-bit integer overflow in qrtr_endpoint_post()\n\nqrtr_endpoint_post() validates an incoming packet with\n\n\tif (!size || len != ALIGN(size, 4) + hdrlen)\n\t\tgoto err;\n\nwhere size comes from the wire. On 32-bit, size_t is 32 bits and\nALIGN(size, 4) wraps to 0 for size >= 0xfffffffd, so the check\npasses and skb_put_data(skb, data + hdrlen, size) writes past the\nhdrlen-sized skb and oopses the kernel. 64-bit is unaffected.\n\nThis is the 32-bit residual of ad9d24c9429e2 (\"net: qrtr: fix OOB\nRead in qrtr_endpoint_post\"), which fixed only the 64-bit case.\n\nReject any size that cannot fit the buffer before the ALIGN.","state":0,"publishedAt":"2026-08-15T05:55:18.529+00:00","modifiedAt":"2026-10-16T18:55:15.699+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"net/qrtr/af_qrtr.c\"\n ],\n \"versions\": [\n {\n \"version\": \"960b08dd36de1e341e3eb43d1c547513e338f4f8\",\n \"lessThan\": \"3665e644ea081c4624a1637023b0de3b29f4ae04\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"ad9d24c9429e2159d1e279dc3a83191ccb4daf1d\",\n \"lessThan\": \"b609f7f46916c6b05585ca82455077198a23770f\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"ad9d24c9429e2159d1e279dc3a83191ccb4daf1d\",\n \"lessThan\": \"242408b5b763c01288adf3113cbce84378a76e1a\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"ad9d24c9429e2159d1e279dc3a83191ccb4daf1d\",\n \"lessThan\": \"d0597074e99731fdad5593e4f6d056a3866f2cab\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"ad9d24c9429e2159d1e279dc3a83191ccb4daf1d\",\n \"lessThan\": \"689b7267f8632b4661879dc323e26ebb60978afb\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"ad9d24c9429e2159d1e279dc3a83191ccb4daf1d\",\n \"lessThan\": \"22100a8f73d4ae4f17697dae93d4e2e1d283a6ec\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"ad9d24c9429e2159d1e279dc3a83191ccb4daf1d\",\n \"lessThan\": \"7f72c285f6d3bf63968a0344beee8ab1b370198b\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"ad9d24c9429e2159d1e279dc3a83191ccb4daf1d\",\n \"lessThan\": \"20054869770c7df060c5ecee3e8bbf9029c47191\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"f8111c0d7ed42ede41a3d0d393b104de0730a8a6\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"26b8d10703a9be45d6097946b2b4011f7dd2c56f\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"19892ab9c9d838e2e5a7744d36e4bb8b7c3292fe\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"5.10.46\",\n \"lessThan\": \"5.10.261\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"4.19.196\",\n \"lessThan\": \"4.20\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.4.128\",\n \"lessThan\": \"5.5\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.12.13\",\n \"lessThan\": \"5.13\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"net/qrtr/af_qrtr.c\"\n ],\n \"versions\": [\n {\n \"version\": \"5.13\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"5.13\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.261\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.212\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.178\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.145\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.97\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.40\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.1.5\",\n \"lessThanOrEqual\": \"7.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.2\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.4,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/3665e644ea081c4624a1637023b0de3b29f4ae04","https://git.kernel.org/stable/c/b609f7f46916c6b05585ca82455077198a23770f","https://git.kernel.org/stable/c/242408b5b763c01288adf3113cbce84378a76e1a","https://git.kernel.org/stable/c/d0597074e99731fdad5593e4f6d056a3866f2cab","https://git.kernel.org/stable/c/689b7267f8632b4661879dc323e26ebb60978afb","https://git.kernel.org/stable/c/22100a8f73d4ae4f17697dae93d4e2e1d283a6ec","https://git.kernel.org/stable/c/7f72c285f6d3bf63968a0344beee8ab1b370198b","https://git.kernel.org/stable/c/20054869770c7df060c5ecee3e8bbf9029c47191"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72298","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-72298","identifiers":["CVE-2026-72298"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all 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