{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-52768", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-21T15:19:24.238Z", "datePublished": "2024-05-21T15:30:51.656Z", "dateUpdated": "2026-08-05T09:11:19.192Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T09:11:19.192Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wilc1000: use vmm_table as array in wilc struct\n\nEnabling KASAN and running some iperf tests raises some memory issues with\nvmm_table:\n\nBUG: KASAN: slab-out-of-bounds in wilc_wlan_handle_txq+0x6ac/0xdb4\nWrite of size 4 at addr c3a61540 by task wlan0-tx/95\n\nKASAN detects that we are writing data beyond range allocated to vmm_table.\nThere is indeed a mismatch between the size passed to allocator in\nwilc_wlan_init, and the range of possible indexes used later: allocation\nsize is missing a multiplication by sizeof(u32)" } ], "metrics": [ { "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH" }, "scenarios": [ { "lang": "en", "value": "AV:L - The bug is in the local TX batching path (wilc_mac_xmit → wilc_wlan_handle_txq), not in parsing over-the-air frames; an attacker must generate outbound traffic on the wilc1000 netdev rather than inject Wi‑Fi/network protocol input.\nAC:L - Queuing ≥17 TX packets (indices past the 16 u32s that fit in the 64-byte allocation) reliably overflows the slab, as demonstrated by the iperf/KASAN report; the attacker fully controls packet rate and sizes with no race or uncontrollable layout required to trigger the write.\nPR:L - Once the interface is up, any unprivileged local user can send ordinary sockets traffic that hits ndo_start_xmit/wilc_mac_xmit; no CAP_NET_ADMIN or root is required on the vulnerable TX path.\nUI:N - The attacker triggers the overflow solely by transmitting packets themselves; no separate victim action such as mounting a device or opening a crafted file is needed.\nS:U - The slab out-of-bounds write corrupts host kernel heap within the same security authority and does not cross a VM, IOMMU, or sandbox boundary.\nC:H - A ~192-byte heap overflow into adjacent slab objects is memory corruption that can be leveraged for information disclosure (e.g., corrupted lengths/pointers later read), so Confidentiality is High per OOB-write guidance.\nI:H - The out-of-bounds writes of attacker-influenced packet-size fields into adjacent heap objects provide a classic integrity/control-flow hijack primitive for arbitrary kernel write and code execution.\nA:H - Writing past the undersized kmalloc(64) object corrupts adjacent slab memory and can oops/panic the kernel (as KASAN already flags), fully denying availability." } ] } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/wireless/microchip/wilc1000/wlan.c" ], "versions": [ { "version": "32dd0b22a5ba1dd296ccf2caf46ad44c3a8d5d98", "lessThan": "541b3757fd443a68ed8d25968eae511a8275e7c8", "status": "affected", "versionType": "git" }, { "version": "40b717bfcefab28a0656b8caa5e43d5449e5a671", "lessThan": "4b0d6ddb6466d10df878a7787f175a0e4adc3e27", "status": "affected", "versionType": "git" }, { "version": "40b717bfcefab28a0656b8caa5e43d5449e5a671", "lessThan": "6aaf7cd8bdfe245d3c9a8b48fe70c2011965948e", "status": "affected", "versionType": "git" }, { "version": "40b717bfcefab28a0656b8caa5e43d5449e5a671", "lessThan": "3ce1c2c3999b232258f7aabab311d47dda75605c", "status": "affected", "versionType": "git" }, { "version": "40b717bfcefab28a0656b8caa5e43d5449e5a671", "lessThan": "05ac1a198a63ad66bf5ae8b7321407c102d40ef3", "status": "affected", "versionType": "git" }, { "version": "5212d958f6518003cd98c9886f8e8aedcfc25741", "status": "affected", "versionType": "git" }, { "version": "5.15.68", "lessThan": "5.15.140", "status": "affected", "versionType": "semver" }, { "version": "5.19.9", "lessThan": "5.20", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/wireless/microchip/wilc1000/wlan.c" ], "versions": [ { "version": "6.0", "status": "affected" }, { "version": "0", "lessThan": "6.0", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.140", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.64", "lessThanOrEqual": "6.1.*", "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": "5.15.68", "versionEndExcluding": "5.15.140" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.1.64" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.5.13" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.6.3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.7" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19.9" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/541b3757fd443a68ed8d25968eae511a8275e7c8" }, { "url": "https://git.kernel.org/stable/c/4b0d6ddb6466d10df878a7787f175a0e4adc3e27" }, { "url": "https://git.kernel.org/stable/c/6aaf7cd8bdfe245d3c9a8b48fe70c2011965948e" }, { "url": "https://git.kernel.org/stable/c/3ce1c2c3999b232258f7aabab311d47dda75605c" }, { "url": "https://git.kernel.org/stable/c/05ac1a198a63ad66bf5ae8b7321407c102d40ef3" } ], "title": "wifi: wilc1000: use vmm_table as array in wilc struct", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "problemTypes": [ { "descriptions": [ { "type": "CWE", "lang": "en", "description": "CWE-noinfo Not enough information" } ] } ], "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 5.6, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "LOW" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2024-05-29T18:50:15.574062Z", "id": "CVE-2023-52768", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-11-05T17:17:15.027Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:11:35.520Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/541b3757fd443a68ed8d25968eae511a8275e7c8", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/4b0d6ddb6466d10df878a7787f175a0e4adc3e27", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/6aaf7cd8bdfe245d3c9a8b48fe70c2011965948e", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/3ce1c2c3999b232258f7aabab311d47dda75605c", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/05ac1a198a63ad66bf5ae8b7321407c102d40ef3", "tags": [ "x_transferred" ] } ] } ] } }