118 lines
5.4 KiB
JSON
118 lines
5.4 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-2026-42546",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-04-28T16:56:50.191Z",
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"datePublished": "2026-07-06T19:31:56.172Z",
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"dateUpdated": "2026-07-06T20:51:23.274Z"
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},
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"containers": {
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"cna": {
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"title": "OP-TEE has missing OPTEE_MSG_ATTR_TYPE_MASK in cleanup_shm_refs() leaks mobj references",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-770",
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"lang": "en",
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"description": "CWE-770: Allocation of Resources Without Limits or Throttling",
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"type": "CWE"
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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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"attackComplexity": "LOW",
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"attackVector": "LOCAL",
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"availabilityImpact": "LOW",
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"baseScore": 3.8,
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"baseSeverity": "LOW",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"privilegesRequired": "LOW",
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"scope": "CHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L",
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"version": "3.1"
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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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"name": "https://github.com/OP-TEE/optee_os/security/advisories/GHSA-c7j8-fgqw-rcgp",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/OP-TEE/optee_os/security/advisories/GHSA-c7j8-fgqw-rcgp"
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}
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],
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"affected": [
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{
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"vendor": "OP-TEE",
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"product": "optee_os",
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"versions": [
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{
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"version": ">= 3.3.0, < 4.11.0",
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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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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-07-06T19:31:56.172Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "OP-TEE is a Trusted Execution Environment (TEE) designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 3.3.0 and prior to version 4.11.0, a resource leak exists in OP-TEE’s shared memory cleanup logic because the function `cleanup_shm_refs()` in `core/tee/entry_std.c` fails to apply a required bitmask (`OPTEE_MSG_ATTR_TYPE_MASK`) to parameter attributes. When processing non-contiguous memory parameters from a normal-world caller, the system fails to match the attribute type in its internal switch statement and skips the necessary mobj_put() call. This results in a persistent reference leak of `mobj_reg_shm` objects, which remain on internal lists with dangling refcounts. This affects non-FF-A configurations that support non-contiguous, non-secure shared memory. Over time, these accumulated leaks progressively consume the secure-world heap, degrading the system's ability to service trusted application operations and eventually requiring a reboot to recover. Version 4.11.0 contains a patch. No known workarounds are available."
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}
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],
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"source": {
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"advisory": "GHSA-c7j8-fgqw-rcgp",
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"discovery": "UNKNOWN"
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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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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-07-06T20:50:39.850245Z",
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"id": "CVE-2026-42546",
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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": "2026-07-06T20:51:23.274Z"
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}
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}
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]
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}
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} |