275 lines
14 KiB
JSON
275 lines
14 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-2023-52687",
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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": "2024-03-07T14:49:46.888Z",
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"datePublished": "2024-05-17T14:24:48.665Z",
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"dateUpdated": "2026-08-05T09:11:01.883Z"
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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": "2026-08-05T09:11:01.883Z"
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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\ncrypto: safexcel - Add error handling for dma_map_sg() calls\n\nMacro dma_map_sg() may return 0 on error. This patch enables\nchecks in case of the macro failure and ensures unmapping of\npreviously mapped buffers with dma_unmap_sg().\n\nFound by Linux Verification Center (linuxtesting.org) with static\nanalysis tool SVACE."
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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:H/I:H/A:H",
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"baseScore": 9.8,
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"baseSeverity": "CRITICAL"
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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 Inside Secure EIP97/EIP197 lookaside engine on Marvell Armada and MediaTek MT7986 networking appliances accelerates IPsec AEAD algorithms (gcm(aes), authenc(hmac(sha*),cbc(aes))) at cra_priority 300, so inbound ESP hits esp_input→crypto_aead_decrypt→safexcel_send_req→dma_map_sg over the network before authentication completes.\nAC:L - A remote or local attacker can induce dma_map_sg() failure via memory/IOVA/swiotlb exhaustion (large multi-frag ESP floods or concurrent AF_ALG requests); once mapping fails the driver deterministically programs the engine with stale/unmapped SG DMA addresses with no race to win.\nPR:N - Crafted ESP packets to an existing IPsec SA exercise the vulnerable path with no privileges on the target; AEAD decrypt (including dma_map_sg) runs as part of packet processing before authenticity is established.\nUI:N - Exploitation requires only attacker-sent ESP (or AF_ALG) crypto requests; no victim user action such as mounting a filesystem or opening a file is needed.\nS:U - Impact is host-kernel memory corruption/DoS under the same kernel security authority; this is not a guest-to-host escape or intentional IOMMU isolation bypass across separate authorities.\nC:H - On dma-direct partial map failure, successfully mapped SG entries are unmapped but dma_address is left stale, so the engine DMAs from recycled pages (use-after-unmap); with separate src/dst, a failed src map plus successful dst map can encrypt unintended physical memory into attacker-readable output under a known key.\nI:H - The same stale/unmapped DMA addresses are used for DMA_FROM_DEVICE/BIDIRECTIONAL result writes, so the crypto engine writes into memory that may have been reused by other kernel subsystems, enabling arbitrary corruption and control-flow hijack primitives.\nA:H - Programming the EIP97/EIP197 with unmapped or DMA_MAPPING_ERROR addresses causes bus/IOMMU faults, driver failures, and kernel oops/panic, fully denying service on affected appliances."
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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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"drivers/crypto/inside-secure/safexcel_cipher.c"
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],
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"versions": [
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{
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"version": "49186a7d9e46ff132a0ed9b721ad6b6a58dba6c1",
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"lessThan": "4c0ac81a172a69a7733290915276672787e904ec",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "49186a7d9e46ff132a0ed9b721ad6b6a58dba6c1",
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"lessThan": "8084b788c2fb1260f7d44c032d5124680b20d2b2",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "49186a7d9e46ff132a0ed9b721ad6b6a58dba6c1",
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"lessThan": "fc0b785802b856566df3ac943e38a072557001c4",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "49186a7d9e46ff132a0ed9b721ad6b6a58dba6c1",
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"lessThan": "87e02063d07708cac5bfe9fd3a6a242898758ac8",
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"status": "affected",
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"versionType": "git"
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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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"drivers/crypto/inside-secure/safexcel_cipher.c"
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],
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"versions": [
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{
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"version": "6.1",
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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": "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": "6.1.75",
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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": "6.6.14",
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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": "6.7.2",
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"lessThanOrEqual": "6.7.*",
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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": "6.8",
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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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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.1",
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"versionEndExcluding": "6.1.75"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.1",
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"versionEndExcluding": "6.6.14"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.1",
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"versionEndExcluding": "6.7.2"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.1",
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"versionEndExcluding": "6.8"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/4c0ac81a172a69a7733290915276672787e904ec"
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},
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{
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"url": "https://git.kernel.org/stable/c/8084b788c2fb1260f7d44c032d5124680b20d2b2"
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},
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{
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"url": "https://git.kernel.org/stable/c/fc0b785802b856566df3ac943e38a072557001c4"
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},
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{
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"url": "https://git.kernel.org/stable/c/87e02063d07708cac5bfe9fd3a6a242898758ac8"
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}
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],
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"title": "crypto: safexcel - Add error handling for dma_map_sg() calls",
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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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"problemTypes": [
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{
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"descriptions": [
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{
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"type": "CWE",
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"lang": "en",
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"description": "CWE-noinfo Not enough information"
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}
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]
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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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"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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"timestamp": "2024-05-31T18:46:13.483061Z",
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"id": "CVE-2023-52687",
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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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"role": "CISA Coordinator",
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"version": "2.0.3"
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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": "2024-11-06T16:44:03.755Z"
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}
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},
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"dateUpdated": "2024-08-02T23:11:34.555Z"
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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://git.kernel.org/stable/c/4c0ac81a172a69a7733290915276672787e904ec",
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"tags": [
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} |