297 lines
16 KiB
JSON
297 lines
16 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2024-53151",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2024-11-19T17:17:25.000Z",
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"datePublished": "2024-12-24T11:28:50.917Z",
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"dateUpdated": "2026-08-05T11:44:11.228Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-08-05T11:44:11.228Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsvcrdma: Address an integer overflow\n\nDan Carpenter reports:\n> Commit 78147ca8b4a9 (\"svcrdma: Add a \"parsed chunk list\" data\n> structure\") from Jun 22, 2020 (linux-next), leads to the following\n> Smatch static checker warning:\n>\n>\tnet/sunrpc/xprtrdma/svc_rdma_recvfrom.c:498 xdr_check_write_chunk()\n>\twarn: potential user controlled sizeof overflow 'segcount * 4 * 4'\n>\n> net/sunrpc/xprtrdma/svc_rdma_recvfrom.c\n> 488 static bool xdr_check_write_chunk(struct svc_rdma_recv_ctxt *rctxt)\n> 489 {\n> 490 u32 segcount;\n> 491 __be32 *p;\n> 492\n> 493 if (xdr_stream_decode_u32(&rctxt->rc_stream, &segcount))\n> ^^^^^^^^\n>\n> 494 return false;\n> 495\n> 496 /* A bogus segcount causes this buffer overflow check to fail. */\n> 497 p = xdr_inline_decode(&rctxt->rc_stream,\n> --> 498 segcount * rpcrdma_segment_maxsz * sizeof(*p));\n>\n>\n> segcount is an untrusted u32. On 32bit systems anything >= SIZE_MAX / 16 will\n> have an integer overflow and some those values will be accepted by\n> xdr_inline_decode()."
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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"baseScore": 7.5,
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"baseSeverity": "HIGH"
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},
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"scenarios": [
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{
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"lang": "en",
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"value": "AV:N - The flaw is in nfsd's RPC-over-RDMA server transport header parser, driven entirely by bytes a remote peer places in a Send to the NFS/RDMA listener (port 20049). RoCEv2 and iWARP are IP-routable, and soft-RoCE/soft-iWARP make this reachable over ordinary Ethernet, so this is a remote network attack surface.\nAC:L - The attacker simply encodes segcount=0x40000000 in a Write chunk or Reply chunk; the 32-bit truncation and the xdr_inline_decode(0) short-circuit are deterministic with no race, no memory-layout dependency, and no timing element. Verified the truncation occurs on 64-bit as well as 32-bit hosts.\nPR:N - svc_rdma_xdr_decode_req() runs in svc_rdma_recvfrom() at the transport layer, strictly before svc_process()/svc_authenticate() and before any export or credential check. Any peer able to establish an RDMA-CM connection reaches it with zero credentials.\nUI:N - The malformed transport header is processed automatically by the nfsd receive path as soon as it arrives. No action by any local user or administrator is required.\nS:U - The bad computation and its consequences are confined to the kernel's own memory management within the same security authority. There is no VM, IOMMU, or sandbox boundary crossed.\nC:N - I traced every consumer of the bogus segcount: the only use is pcl_alloc_chunk(), whose oversized kmalloc fails before pcl_alloc_write() can dereference its unchecked raw pointer, so no out-of-bounds data is read. The failed decode returns only a generic RDMA_ERROR reply, disclosing nothing.\nI:N - The bounds-check bypass never reaches the unbounded ch_segments[] write loop in pcl_alloc_write(), because chunk allocation aborts first and the request is rejected with -EINVAL. No kernel memory is modified and no attacker-controlled data is written out of bounds.\nA:H - The bypassed check drives a multi-gigabyte kmalloc whose order exceeds MAX_PAGE_ORDER, tripping WARN_ON_ONCE_GFP() in __alloc_pages() with a stack trace and kernel taint; on the widely deployed panic_on_warn=1 configurations this is an immediate kernel panic triggered by an unauthenticated remote peer."
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}
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]
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"net/sunrpc/xprtrdma/svc_rdma_recvfrom.c"
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],
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"versions": [
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{
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"version": "78147ca8b4a9b6cf0e597ddd6bf17959e08376c2",
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"lessThan": "21e1cf688fb0397788c8dd42e1e0b08d58ac5c7b",
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"status": "affected",
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},
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{
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"status": "affected",
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"status": "affected",
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{
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"version": "78147ca8b4a9b6cf0e597ddd6bf17959e08376c2",
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"lessThan": "e5c440c227ecdc721f2da0dd88b6358afd1031a7",
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"status": "affected",
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"status": "affected",
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"net/sunrpc/xprtrdma/svc_rdma_recvfrom.c"
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],
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"versions": [
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{
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"version": "5.11",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "5.11",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.174",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.120",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.64",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.11.11",
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"lessThanOrEqual": "6.11.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.2",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.13",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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"operator": "OR",
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"negate": false,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.11",
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"versionEndExcluding": "5.15.174"
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"url": "https://git.kernel.org/stable/c/21e1cf688fb0397788c8dd42e1e0b08d58ac5c7b"
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},
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{
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"url": "https://git.kernel.org/stable/c/c1f8195bf68edd2cef0f18a4cead394075a54b5a"
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"url": "https://git.kernel.org/stable/c/838dd342962cef4c320632a5af48d3c31f2f9877"
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{
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"url": "https://git.kernel.org/stable/c/4cbc3ba6dc2f746497cade60bcbaa82ae3696689"
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{
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"url": "https://git.kernel.org/stable/c/e5c440c227ecdc721f2da0dd88b6358afd1031a7"
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{
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"url": "https://git.kernel.org/stable/c/3c63d8946e578663b868cb9912dac616ea68bfd0"
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}
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],
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"title": "svcrdma: Address an integer overflow",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 5.5,
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"attackVector": "LOCAL",
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"baseSeverity": "MEDIUM",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"integrityImpact": "NONE",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "HIGH",
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"privilegesRequired": "LOW",
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"confidentialityImpact": "NONE"
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}
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},
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2024-53151",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2025-10-01T20:09:46.736232Z"
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}
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}
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"type": "CWE",
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"cweId": "CWE-190",
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"description": "CWE-190 Integer Overflow or Wraparound"
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}
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]
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2025-10-01T20:17:09.093Z"
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}
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},
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{
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"title": "CVE Program Container",
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"references": [
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{
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"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"
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}
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],
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2025-11-03T20:46:36.897Z"
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}
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}
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]
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}
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} |