CVE-2023-52827

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this matches the ath12k host-firmware trust-boundary scoring used for CVE-2023-52829.\nAC:L - Firmware fully controls the 16-bit payload_size in the HTT header; once an oversized len is supplied the TLV walk past skb->len is deterministic with no race or uncontrollable memory-layout requirement.\nPR:N - The HTT T2H handler runs automatically on device-delivered messages during normal radio operation with no OS credential, capability, or authentication check on the path, as with other ath12k firmware CE/HTC parsers.\nUI:N - PPDU stats indications are requested at mac start and processed in the driver\u2019s RX completion path without any local user action such as opening a file or changing configuration.\nS:U - The out-of-bounds read and any resulting crash or corrupted driver stats remain inside the host kernel/driver security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - An unbounded out-of-bounds read (claimed len up to 65535 versus ~2KB CE skb) walks adjacent kernel memory and copies TLV payloads into ppdu_info; per guidance OOB reads are Confidentiality High.\nI:N - The live defect is an out-of-bounds read; memcpy destinations in ath12k_htt_tlv_ppdu_stats_parse are fixed-size in-bounds fields, and the num_users OOB-write loops are unreachable because frame_type/tlv_bitmap are never set.\nA:H - Walking tens of kilobytes past the skb into potentially unmapped kernel memory can trigger a kernel oops/panic, which is Availability High."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/ath/ath12k/dp_rx.c"], "versions": [{"version": "d889913205cf7ebda905b1e62c5867ed4e39f6c2", "lessThan": "79527c21a3ce04cffc35ea54f74ee087e532be57", "status": "affected", "versionType": "git"}, {"version": "d889913205cf7ebda905b1e62c5867ed4e39f6c2", "lessThan": "c9e44111da221246efb2e623ae1be40a5cf6542c", "status": "affected", "versionType": "git"}, {"version": "d889913205cf7ebda905b1e62c5867ed4e39f6c2", "lessThan": "1bc44a505a229bb1dd4957e11aa594edeea3690e", "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/net/wireless/ath/ath12k/dp_rx.c"], "versions": [{"version": "6.3", "status": "affected"}, {"version": "0", "lessThan": "6.3", "status": "unaffected", "versionType": "semver"}, {"version": "6.5.13", "lessThanOrEqual": "6.5.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.3", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.7", "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": "6.3", "versionEndExcluding": "6.5.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "6.6.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "6.7"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/79527c21a3ce04cffc35ea54f74ee087e532be57"}, {"url": "https://git.kernel.org/stable/c/c9e44111da221246efb2e623ae1be40a5cf6542c"}, {"url": "https://git.kernel.org/stable/c/1bc44a505a229bb1dd4957e11aa594edeea3690e"}], "title": "wifi: ath12k: fix possible out-of-bound read in ath12k_htt_pull_ppdu_stats()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-52827", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-05-22T18:23:07.677346Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:22:45.297Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:11:36.061Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/79527c21a3ce04cffc35ea54f74ee087e532be57", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/c9e44111da221246efb2e623ae1be40a5cf6542c", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/1bc44a505a229bb1dd4957e11aa594edeea3690e", "tags": ["x_transferred"]}]}]}}

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El mismo problema tambi\u00e9n se aplica a ppdu_info->ppdu_stats.common.num_users, as\u00ed que val\u00eddelo antes de usarlo tambi\u00e9n. Estos se encuentran durante la revisi\u00f3n del c\u00f3digo. Compilar prueba \u00fanicamente."}], "id": "CVE-2023-52827", "lastModified": "2026-08-04T10:18:44.547", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 5.2, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-52827", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-05-22T18:23:07.677346Z", "version": "2.0.3"}}]}, "published": "2024-05-21T16:15:20.463", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1bc44a505a229bb1dd4957e11aa594edeea3690e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/79527c21a3ce04cffc35ea54f74ee087e532be57"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c9e44111da221246efb2e623ae1be40a5cf6542c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1bc44a505a229bb1dd4957e11aa594edeea3690e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/79527c21a3ce04cffc35ea54f74ee087e532be57"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c9e44111da221246efb2e623ae1be40a5cf6542c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: wifi: ath12k: fix possible out-of-bound read in ath12k_htt_pull_ppdu_stats()", "id": "2282777", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2282777"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: ath12k: fix possible out-of-bound read in ath12k_htt_pull_ppdu_stats()\nlen is extracted from HTT message and could be an unexpected value in\ncase errors happen, so add validation before using to avoid possible\nout-of-bound read in the following message iteration and parsing.\nThe same issue also applies to ppdu_info->ppdu_stats.common.num_users,\nso validate it before using too.\nThese are found during code review.\nCompile test only."], "name": "CVE-2023-52827", "package_state": [{"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": "2024-05-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52827\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52827\nhttps://lore.kernel.org/linux-cve-announce/2024052107-CVE-2023-52827-c62f@gregkh/T"], "threat_severity": "Moderate"}

{}