{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-26587", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.126Z", "datePublished": "2024-02-22T16:13:32.442Z", "dateUpdated": "2025-05-04T08:51:39.985Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T08:51:39.985Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: netdevsim: don't try to destroy PHC on VFs\n\nPHC gets initialized in nsim_init_netdevsim(), which\nis only called if (nsim_dev_port_is_pf()).\n\nCreate a counterpart of nsim_init_netdevsim() and\nmove the mock_phc_destroy() there.\n\nThis fixes a crash trying to destroy netdevsim with\nVFs instantiated, as caught by running the devlink.sh test:\n\n BUG: kernel NULL pointer dereference, address: 00000000000000b8\n RIP: 0010:mock_phc_destroy+0xd/0x30\n Call Trace:\n <TASK>\n nsim_destroy+0x4a/0x70 [netdevsim]\n __nsim_dev_port_del+0x47/0x70 [netdevsim]\n nsim_dev_reload_destroy+0x105/0x120 [netdevsim]\n nsim_drv_remove+0x2f/0xb0 [netdevsim]\n device_release_driver_internal+0x1a1/0x210\n bus_remove_device+0xd5/0x120\n device_del+0x159/0x490\n device_unregister+0x12/0x30\n del_device_store+0x11a/0x1a0 [netdevsim]\n kernfs_fop_write_iter+0x130/0x1d0\n vfs_write+0x30b/0x4b0\n ksys_write+0x69/0xf0\n do_syscall_64+0xcc/0x1e0\n entry_SYSCALL_64_after_hwframe+0x6f/0x77"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/netdevsim/netdev.c"], "versions": [{"version": "b63e78fca889e07931ec8f259701718a24e5052e", "lessThan": "08aca65997fb6f233066883b1f1e653bcb1f26ca", "status": "affected", "versionType": "git"}, {"version": "b63e78fca889e07931ec8f259701718a24e5052e", "lessThan": "c5068e442eed063d2f1658e6b6d3c1c6fcf1e588", "status": "affected", "versionType": "git"}, {"version": "b63e78fca889e07931ec8f259701718a24e5052e", "lessThan": "ea937f77208323d35ffe2f8d8fc81b00118bfcda", "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/netdevsim/netdev.c"], "versions": [{"version": "6.6", "status": "affected"}, {"version": "0", "lessThan": "6.6", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.14", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.7.2", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.8", "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": "6.6", "versionEndExcluding": "6.6.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.7.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.8"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/08aca65997fb6f233066883b1f1e653bcb1f26ca"}, {"url": "https://git.kernel.org/stable/c/c5068e442eed063d2f1658e6b6d3c1c6fcf1e588"}, {"url": "https://git.kernel.org/stable/c/ea937f77208323d35ffe2f8d8fc81b00118bfcda"}], "title": "net: netdevsim: don't try to destroy PHC on VFs", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-26587", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-02-26T14:37:54.234702Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-07-05T17:21:02.831Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:07:19.707Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/08aca65997fb6f233066883b1f1e653bcb1f26ca", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/c5068e442eed063d2f1658e6b6d3c1c6fcf1e588", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/ea937f77208323d35ffe2f8d8fc81b00118bfcda", "tags": ["x_transferred"]}]}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E897E511-6471-443B-B59F-2A7FC2AE655F", "versionEndExcluding": "6.6.14", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0EA3778C-730B-464C-8023-18CA6AC0B807", "versionEndExcluding": "6.7.2", "versionStartIncluding": "6.7.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: netdevsim: don't try to destroy PHC on VFs\n\nPHC gets initialized in nsim_init_netdevsim(), which\nis only called if (nsim_dev_port_is_pf()).\n\nCreate a counterpart of nsim_init_netdevsim() and\nmove the mock_phc_destroy() there.\n\nThis fixes a crash trying to destroy netdevsim with\nVFs instantiated, as caught by running the devlink.sh test:\n\n BUG: kernel NULL pointer dereference, address: 00000000000000b8\n RIP: 0010:mock_phc_destroy+0xd/0x30\n Call Trace:\n <TASK>\n nsim_destroy+0x4a/0x70 [netdevsim]\n __nsim_dev_port_del+0x47/0x70 [netdevsim]\n nsim_dev_reload_destroy+0x105/0x120 [netdevsim]\n nsim_drv_remove+0x2f/0xb0 [netdevsim]\n device_release_driver_internal+0x1a1/0x210\n bus_remove_device+0xd5/0x120\n device_del+0x159/0x490\n device_unregister+0x12/0x30\n del_device_store+0x11a/0x1a0 [netdevsim]\n kernfs_fop_write_iter+0x130/0x1d0\n vfs_write+0x30b/0x4b0\n ksys_write+0x69/0xf0\n do_syscall_64+0xcc/0x1e0\n entry_SYSCALL_64_after_hwframe+0x6f/0x77"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: netdevsim: no intente destruir PHC en VF PHC se inicializa en nsim_init_netdevsim(), que s\u00f3lo se llama si (nsim_dev_port_is_pf()). Cree una contraparte de nsim_init_netdevsim() y mueva el mock_phc_destroy() all\u00ed. Esto soluciona un fallo al intentar destruir netdevsim con VF instanciados, detectado al ejecutar la prueba devlink.sh: ERROR: desreferencia del puntero NULL del n\u00facleo, direcci\u00f3n: 00000000000000b8 RIP: 0010:mock_phc_destroy+0xd/0x30 Seguimiento de llamadas: nsim_destroy+0x4a /0x70 [netdevsim] __nsim_dev_port_del+0x47/0x70 [netdevsim] nsim_dev_reload_destroy+0x105/0x120 [netdevsim] nsim_drv_remove+0x2f/0xb0 [netdevsim] dispositivo_release_driver_internal+0x1a1/0x210 bus_remove_device+0xd5/0x120 dispositivo_del+0x159/0x490 dispositivo_unregister+0x12/0x30 del_device_store +0x11a/0x1a0 [netdevsim] kernfs_fop_write_iter+0x130/0x1d0 vfs_write+0x30b/0x4b0 ksys_write+0x69/0xf0 do_syscall_64+0xcc/0x1e0 Entry_SYSCALL_64_after_hwframe+0x6f/0x77"}], "id": "CVE-2024-26587", "lastModified": "2024-11-21T09:02:35.900", "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": "[email protected]", "type": "Primary"}]}, "published": "2024-02-22T17:15:08.937", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/08aca65997fb6f233066883b1f1e653bcb1f26ca"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c5068e442eed063d2f1658e6b6d3c1c6fcf1e588"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ea937f77208323d35ffe2f8d8fc81b00118bfcda"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/08aca65997fb6f233066883b1f1e653bcb1f26ca"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c5068e442eed063d2f1658e6b6d3c1c6fcf1e588"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ea937f77208323d35ffe2f8d8fc81b00118bfcda"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: netdevsim: don't try to destroy PHC on VFs", "id": "2265656", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2265656"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: netdevsim: don't try to destroy PHC on VFs\nPHC gets initialized in nsim_init_netdevsim(), which\nis only called if (nsim_dev_port_is_pf()).\nCreate a counterpart of nsim_init_netdevsim() and\nmove the mock_phc_destroy() there.\nThis fixes a crash trying to destroy netdevsim with\nVFs instantiated, as caught by running the devlink.sh test:\nBUG: kernel NULL pointer dereference, address: 00000000000000b8\nRIP: 0010:mock_phc_destroy+0xd/0x30\nCall Trace:\n<TASK>\nnsim_destroy+0x4a/0x70 [netdevsim]\n__nsim_dev_port_del+0x47/0x70 [netdevsim]\nnsim_dev_reload_destroy+0x105/0x120 [netdevsim]\nnsim_drv_remove+0x2f/0xb0 [netdevsim]\ndevice_release_driver_internal+0x1a1/0x210\nbus_remove_device+0xd5/0x120\ndevice_del+0x159/0x490\ndevice_unregister+0x12/0x30\ndel_device_store+0x11a/0x1a0 [netdevsim]\nkernfs_fop_write_iter+0x130/0x1d0\nvfs_write+0x30b/0x4b0\nksys_write+0x69/0xf0\ndo_syscall_64+0xcc/0x1e0\nentry_SYSCALL_64_after_hwframe+0x6f/0x77"], "name": "CVE-2024-26587", "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": "2024-02-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26587\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26587\nhttps://lore.kernel.org/linux-cve-announce/2024022255-CVE-2024-26587-db74@gregkh/T/#u"], "threat_severity": "Low"}

{}