{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49825", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-05-01T14:05:17.227Z", "datePublished": "2025-05-01T14:09:45.524Z", "dateUpdated": "2025-05-04T08:46:14.218Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T08:46:14.218Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nata: libata-transport: fix error handling in ata_tport_add()\n\nIn ata_tport_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: 12 PID: 13605 Comm: rmmod Kdump: loaded Tainted: G W 6.1.0-rc3+ #8\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_tport_delete+0x34/0x60 [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_tport_add()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/ata/libata-transport.c"], "versions": [{"version": "d9027470b88631d0956ac37cdadfdeb9cdcf2c99", "lessThan": "b5362dc1634d8b8d5f30920f33ac11a3276b7ed9", "status": "affected", "versionType": "git"}, {"version": "d9027470b88631d0956ac37cdadfdeb9cdcf2c99", "lessThan": "e7bb1b7a7bf26f6b7372b7b683daece4a42fda02", "status": "affected", "versionType": "git"}, {"version": "d9027470b88631d0956ac37cdadfdeb9cdcf2c99", "lessThan": "52d9bb0adae9359711a0c5271430afd3754069e7", "status": "affected", "versionType": "git"}, {"version": "d9027470b88631d0956ac37cdadfdeb9cdcf2c99", "lessThan": "3613dbe3909dcc637fe6be00e4dc43b4aa0470ee", "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/ata/libata-transport.c"], "versions": [{"version": "2.6.37", "status": "affected"}, {"version": "0", "lessThan": "2.6.37", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.156", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.80", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.10", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1", "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": "2.6.37", "versionEndExcluding": "5.10.156"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "5.15.80"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "6.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "6.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b5362dc1634d8b8d5f30920f33ac11a3276b7ed9"}, {"url": "https://git.kernel.org/stable/c/e7bb1b7a7bf26f6b7372b7b683daece4a42fda02"}, {"url": "https://git.kernel.org/stable/c/52d9bb0adae9359711a0c5271430afd3754069e7"}, {"url": "https://git.kernel.org/stable/c/3613dbe3909dcc637fe6be00e4dc43b4aa0470ee"}], "title": "ata: libata-transport: fix error handling in ata_tport_add()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nata: libata-transport: fix error handling in ata_tport_add()\n\nIn ata_tport_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: 12 PID: 13605 Comm: rmmod Kdump: loaded Tainted: G W 6.1.0-rc3+ #8\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_tport_delete+0x34/0x60 [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_tport_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_tport_add(). En ata_tport_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: 12 PID: 13605 Comm: rmmod Kdump: cargado Tainted: GW 6.1.0-rc3+ #8 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_tport_delete+0x34/0x60 [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_tport_add()."}], "id": "CVE-2022-49825", "lastModified": "2025-05-02T13:53:20.943", "metrics": {}, "published": "2025-05-01T15:16:05.937", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3613dbe3909dcc637fe6be00e4dc43b4aa0470ee"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/52d9bb0adae9359711a0c5271430afd3754069e7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b5362dc1634d8b8d5f30920f33ac11a3276b7ed9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e7bb1b7a7bf26f6b7372b7b683daece4a42fda02"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: ata: libata-transport: fix error handling in ata_tport_add()", "id": "2363463", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363463"}, "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_tport_add()\nIn ata_tport_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: 12 PID: 13605 Comm: rmmod Kdump: loaded Tainted: G W 6.1.0-rc3+ #8\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_tport_delete+0x34/0x60 [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_tport_add()."], "name": "CVE-2022-49825", "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-2022-49825\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49825\nhttps://lore.kernel.org/linux-cve-announce/2025050134-CVE-2022-49825-38fd@gregkh/T"], "statement": "A NULL pointer dereference vulnerability was fixed in ata_tport_add() due to missing error handling after a failed call to transport_add_device(). If the function fails, the subsequent call to transport_remove_device() operates on an uninitialized device structure, leading to a crash during module removal. The issue can only be triggered by users with the ability to load and unload kernel modules, which typically requires root privileges.", "threat_severity": "Moderate"}