| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: phy: fix null-ptr-deref while probe() failed\n\nI got a null-ptr-deref report as following when doing fault injection test:\n\nBUG: kernel NULL pointer dereference, address: 0000000000000058\nOops: 0000 [#1] PREEMPT SMP KASAN PTI\nCPU: 1 PID: 253 Comm: 507-spi-dm9051 Tainted: G B N 6.1.0-rc3+\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014\nRIP: 0010:klist_put+0x2d/0xd0\nCall Trace:\n <TASK>\n klist_remove+0xf1/0x1c0\n device_release_driver_internal+0x23e/0x2d0\n bus_remove_device+0x1bd/0x240\n device_del+0x357/0x770\n phy_device_remove+0x11/0x30\n mdiobus_unregister+0xa5/0x140\n release_nodes+0x6a/0xa0\n devres_release_all+0xf8/0x150\n device_unbind_cleanup+0x19/0xd0\n\n//probe path:\nphy_device_register()\n device_add()\n\nphy_connect\n phy_attach_direct() //set device driver\n probe() //it's failed, driver is not bound\n device_bind_driver() // probe failed, it's not called\n\n//remove path:\nphy_device_remove()\n device_del()\n device_release_driver_internal()\n __device_release_driver() //dev->drv is not NULL\n klist_remove() <- knode_driver is not added yet, cause null-ptr-deref\n\nIn phy_attach_direct(), after setting the 'dev->driver', probe() fails,\ndevice_bind_driver() is not called, so the knode_driver->n_klist is not\nset, then it causes null-ptr-deref in __device_release_driver() while\ndeleting device. Fix this by setting dev->driver to NULL in the error\npath in phy_attach_direct()." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/net/phy/phy_device.c" |
| ], |
| "versions": [ |
| { |
| "version": "e13934563db047043ccead26412f552375cea90c", |
| "lessThan": "8aaafe0f71314f46a066382a047ba8bb3840d273", |
| "status": "affected", |
| "versionType": "git" |
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| "lessThan": "51d7f6b20fae8bae64ad1136f1e30d1fd5ba78f7", |
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| "lessThan": "0744c7be4de564db03e24527b2e096b7e0e20972", |
| "status": "affected", |
| "versionType": "git" |
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| "version": "e13934563db047043ccead26412f552375cea90c", |
| "lessThan": "eaa5722549ac2604ffa56c2e946acc83226f130c", |
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| }, |
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| "version": "e13934563db047043ccead26412f552375cea90c", |
| "lessThan": "369eb2c9f1f72adbe91e0ea8efb130f0a2ba11a6", |
| "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/phy/phy_device.c" |
| ], |
| "versions": [ |
| { |
| "version": "2.6.14", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "2.6.14", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.9.335", |
| "lessThanOrEqual": "4.9.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.14.301", |
| "lessThanOrEqual": "4.14.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.19.268", |
| "lessThanOrEqual": "4.19.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.4.226", |
| "lessThanOrEqual": "5.4.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.158", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.15.82", |
| "lessThanOrEqual": "5.15.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.0.12", |
| "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": "2.6.14", |
| "versionEndExcluding": "4.9.335" |
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| "vulnerable": true, |
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| }, |
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| { |
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| "versionEndExcluding": "6.0.12" |
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| "versionEndExcluding": "6.1" |
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| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/8aaafe0f71314f46a066382a047ba8bb3840d273" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/51d7f6b20fae8bae64ad1136f1e30d1fd5ba78f7" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/0744c7be4de564db03e24527b2e096b7e0e20972" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/3e21f85d87c836462bb52ef2078ea561260935c1" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/fe6bc99c27c21348f548966118867ed26a9a372c" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/7730904f50c7187dd16c76949efb56b5fb55cd57" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/eaa5722549ac2604ffa56c2e946acc83226f130c" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/369eb2c9f1f72adbe91e0ea8efb130f0a2ba11a6" |
| } |
| ], |
| "title": "net: phy: fix null-ptr-deref while probe() failed", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2022-49021", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
