CVE-2022-49824

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/ata/libata-transport.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "7377a14598f6b04446c54bc4a50cd249470d6c6f", "status": "affected", "version": "d9027470b88631d0956ac37cdadfdeb9cdcf2c99", "versionType": "git"}, {"lessThan": "67b219314628b90b3a314528e177335b0cd5c70b", "status": "affected", "version": "d9027470b88631d0956ac37cdadfdeb9cdcf2c99", "versionType": "git"}, {"lessThan": "d5234480ca822bdcf03fe4d6a590ddcb854558f7", "status": "affected", "version": "d9027470b88631d0956ac37cdadfdeb9cdcf2c99", "versionType": "git"}, {"lessThan": "cf0816f6322c5c37ee52655f928e91ecf32da103", "status": "affected", "version": "d9027470b88631d0956ac37cdadfdeb9cdcf2c99", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/ata/libata-transport.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.37"}, {"lessThan": "2.6.37", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.156", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.80", "versionType": "semver"}, {"lessThanOrEqual": "6.0.*", "status": "unaffected", "version": "6.0.10", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4CC31C0A-FA97-4ADC-B7F9-A03D37895074", "versionEndExcluding": "5.10.156", "versionStartIncluding": "2.6.37", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "51BBEF3B-79F5-4D4C-ADBA-F34DA0E2465C", "versionEndExcluding": "5.15.80", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "64F9ADD1-3ADB-4D66-A00F-4A83010B05F0", "versionEndExcluding": "6.0.10", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*", "matchCriteriaId": "E7E331DA-1FB0-4DEC-91AC-7DA69D461C11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*", "matchCriteriaId": "17F0B248-42CF-4AE6-A469-BB1BAE7F4705", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*", "matchCriteriaId": "E2422816-0C14-4B5E-A1E6-A9D776E5C49B", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*", "matchCriteriaId": "1C6E00FE-5FB9-4D20-A1A1-5A32128F9B76", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nata: libata-transport: fix error handling in ata_tlink_add()\n\nIn ata_tlink_add(), the return value of transport_add_device() is\nnot checked. As a result, it causes null-ptr-deref while removing\nthe module, because transport_remove_device() is called to remove\nthe device that was not added.\n\nUnable to handle kernel NULL pointer dereference at virtual address 00000000000000d0\nCPU: 33 PID: 13850 Comm: rmmod Kdump: loaded Tainted: G W 6.1.0-rc3+ #12\npstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : device_del+0x48/0x39c\nlr : device_del+0x44/0x39c\nCall trace:\n device_del+0x48/0x39c\n attribute_container_class_device_del+0x28/0x40\n transport_remove_classdev+0x60/0x7c\n attribute_container_device_trigger+0x118/0x120\n transport_remove_device+0x20/0x30\n ata_tlink_delete+0x88/0xb0 [libata]\n ata_tport_delete+0x2c/0x60 [libata]\n ata_port_detach+0x148/0x1b0 [libata]\n ata_pci_remove_one+0x50/0x80 [libata]\n ahci_remove_one+0x4c/0x8c [ahci]\n\nFix this by checking and handling return value of transport_add_device()\nin ata_tlink_add()."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ata: libata-transport: correcci\u00f3n del manejo de errores en ata_tlink_add(). En ata_tlink_add(), no se comprueba el valor de retorno de transport_add_device(). Como resultado, se genera una referencia nula al eliminar el m\u00f3dulo, ya que se llama a transport_remove_device() para eliminar el dispositivo no a\u00f1adido. No se puede manejar la desreferencia del puntero NULL del n\u00facleo en la direcci\u00f3n virtual 00000000000000d0 CPU: 33 PID: 13850 Comm: rmmod Kdump: cargado Tainted: GW 6.1.0-rc3+ #12 pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : device_del+0x48/0x39c lr : device_del+0x44/0x39c Rastreo de llamadas: device_del+0x48/0x39c attribute_container_class_device_del+0x28/0x40 transport_remove_classdev+0x60/0x7c attribute_container_device_trigger+0x118/0x120 transport_remove_device+0x20/0x30 ata_tlink_delete+0x88/0xb0 [libata] ata_tport_delete+0x2c/0x60 [libata] ata_port_detach+0x148/0x1b0 [libata] ata_pci_remove_one+0x50/0x80 [libata] ahci_remove_one+0x4c/0x8c [ahci] Solucione esto verificando y manejando el valor de retorno de transport_add_device() en ata_tlink_add()."}], "id": "CVE-2022-49824", "lastModified": "2026-11-05T20:17:14.603", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-49824", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T19:49:49.002873Z", "version": "2.0.3"}}]}, "published": "2025-05-01T15:16:05.830", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/67b219314628b90b3a314528e177335b0cd5c70b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7377a14598f6b04446c54bc4a50cd249470d6c6f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cf0816f6322c5c37ee52655f928e91ecf32da103"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d5234480ca822bdcf03fe4d6a590ddcb854558f7"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: ata: libata-transport: fix error handling in ata_tlink_add()", "id": "2363461", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363461"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nata: libata-transport: fix error handling in ata_tlink_add()\nIn ata_tlink_add(), the return value of transport_add_device() is\nnot checked. As a result, it causes null-ptr-deref while removing\nthe module, because transport_remove_device() is called to remove\nthe device that was not added.\nUnable to handle kernel NULL pointer dereference at virtual address 00000000000000d0\nCPU: 33 PID: 13850 Comm: rmmod Kdump: loaded Tainted: G W 6.1.0-rc3+ #12\npstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : device_del+0x48/0x39c\nlr : device_del+0x44/0x39c\nCall trace:\ndevice_del+0x48/0x39c\nattribute_container_class_device_del+0x28/0x40\ntransport_remove_classdev+0x60/0x7c\nattribute_container_device_trigger+0x118/0x120\ntransport_remove_device+0x20/0x30\nata_tlink_delete+0x88/0xb0 [libata]\nata_tport_delete+0x2c/0x60 [libata]\nata_port_detach+0x148/0x1b0 [libata]\nata_pci_remove_one+0x50/0x80 [libata]\nahci_remove_one+0x4c/0x8c [ahci]\nFix this by checking and handling return value of transport_add_device()\nin ata_tlink_add()."], "name": "CVE-2022-49824", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49824\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49824\nhttps://lore.kernel.org/linux-cve-announce/2025050134-CVE-2022-49824-83df@gregkh/T"], "statement": "A NULL pointer dereference was fixed in ata_tlink_add() due to missing error handling after a failed call to transport_add_device(). If the function fails, a subsequent call to transport_remove_device() operates on an uninitialized device, which may lead to a crash when unloading the driver module. Exploitation requires the ability to load and unload kernel modules, which generally implies root-level privileges.", "threat_severity": "Moderate"}

{"created": "2025-06-23T09:16:30.351193+00:00", "updated": "2025-06-23T09:16:30.351289+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}