CVE-2024-53191

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No over-the-air input path reaches `ath12k_dp_free()`.\nAC:L - The commit states the triggering initialization failure is \"always reproducible from a VM because the MSI addressing initialization is failing,\" so the dangling pointer is created deterministically on every probe in that environment, and the attacker only has to drive one more teardown to complete the double free.\nPR:L - The dangling pointer is created automatically at probe with no privileges at all, and the `ath12k_core_restart` \u2192 `ath12k_core_reconfigure_on_crash` \u2192 `ath12k_dp_free` recovery path reaches the second free without any elevated capability; only the sysfs-unbind variant would need root, so the lower-privilege reachable path governs.\nUI:N - No victim action is required \u2014 the firmware init failure and the freeing happen automatically inside the QMI event worker and the restart work item, and the completing teardown is either the attacker's own action or an automatic recovery cycle.\nS:U - The corruption is confined to kernel page/slab allocator state within the same security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - `free_large_kmalloc()` warns but still executes `folio_put()`, dropping a refcount on multi-megabyte folios that may already have been reallocated, so the same physical pages end up owned by two subsystems and the stale ath12k mapping can be used to read page-cache, slab, or page-table contents belonging to other users.\nI:H - Releasing a live folio's reference lets pages in active use be freed and re-handed out, and if the region has been re-used as a slab the second `kfree()` runs `slab_free()` on a bogus object and corrupts the SLUB freelist \u2014 both are write/control-flow-hijack-capable primitives obtainable with heap grooming.\nA:H - Even unexploited, the double free produces a kernel WARNING plus page-refcount and `NR_SLAB_UNRECLAIMABLE_B` accounting corruption that reliably escalates to slab/page corruption and a kernel oops or panic."}]}], "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.c"], "versions": [{"version": "d889913205cf7ebda905b1e62c5867ed4e39f6c2", "lessThan": "223b546c6222d42147eff034433002ca5e2e7e09", "status": "affected", "versionType": "git"}, {"version": "d889913205cf7ebda905b1e62c5867ed4e39f6c2", "lessThan": "90556b96338aa6037cd26dac857327fda7c19732", "status": "affected", "versionType": "git"}, {"version": "d889913205cf7ebda905b1e62c5867ed4e39f6c2", "lessThan": "94c9100b600f05a36b33f9ed76dbd6fb0eb25386", "status": "affected", "versionType": "git"}, {"version": "d889913205cf7ebda905b1e62c5867ed4e39f6c2", "lessThan": "ca68ce0d9f4bcd032fd1334441175ae399642a06", "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.c"], "versions": [{"version": "6.3", "status": "affected"}, {"version": "0", "lessThan": "6.3", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.64", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.11", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.2", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13", "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": "6.6.64"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "6.11.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "6.12.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "6.13"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/223b546c6222d42147eff034433002ca5e2e7e09"}, {"url": "https://git.kernel.org/stable/c/90556b96338aa6037cd26dac857327fda7c19732"}, {"url": "https://git.kernel.org/stable/c/94c9100b600f05a36b33f9ed76dbd6fb0eb25386"}, {"url": "https://git.kernel.org/stable/c/ca68ce0d9f4bcd032fd1334441175ae399642a06"}], "title": "wifi: ath12k: fix warning when unbinding", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-53191", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-10-01T20:04:07.391324Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-415", "description": "CWE-415 Double Free"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T20:07:20.969Z"}}]}}

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Sin embargo, esto se libera nuevamente cuando se desvincula el dispositivo (ath12k_pci), y obtenemos: ADVERTENCIA: CPU: 0 PID: 2098 en mm/slub.c:4689 free_large_kmalloc+0x4d/0x80 Rastreo de llamadas: free_large_kmalloc ath12k_dp_free ath12k_core_deinit ath12k_pci_remove ... El problema siempre se puede reproducir desde una VM porque la inicializaci\u00f3n de la direcci\u00f3n MSI est\u00e1 fallando. Para solucionar el problema, simplemente configure los b\u00faferes en NULL despu\u00e9s de liberar para evitar la doble liberaci\u00f3n."}], "id": "CVE-2024-53191", "lastModified": "2026-06-17T08:08:33.010", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-53191", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-10-01T20:04:07.391324Z", "version": "2.0.3"}}]}, "published": "2024-12-27T14:15:26.657", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/223b546c6222d42147eff034433002ca5e2e7e09"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/90556b96338aa6037cd26dac857327fda7c19732"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/94c9100b600f05a36b33f9ed76dbd6fb0eb25386"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ca68ce0d9f4bcd032fd1334441175ae399642a06"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-415"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: wifi: ath12k: fix warning when unbinding", "id": "2334362", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2334362"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-415", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: ath12k: fix warning when unbinding\nIf there is an error during some initialization related to firmware,\nthe buffers dp->tx_ring[i].tx_status are released.\nHowever this is released again when the device is unbinded (ath12k_pci),\nand we get:\nWARNING: CPU: 0 PID: 2098 at mm/slub.c:4689 free_large_kmalloc+0x4d/0x80\nCall Trace:\nfree_large_kmalloc\nath12k_dp_free\nath12k_core_deinit\nath12k_pci_remove\n...\nThe issue is always reproducible from a VM because the MSI addressing\ninitialization is failing.\nIn order to fix the issue, just set the buffers to NULL after releasing in\norder to avoid the double free."], "name": "CVE-2024-53191", "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": "2024-12-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-53191\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-53191\nhttps://lore.kernel.org/linux-cve-announce/2024122723-CVE-2024-53191-df03@gregkh/T"], "threat_severity": "Important"}

{}