CVE-2022-49010

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Don't pass that to\nsysfs_remove_group() as that will crash in sysfs_remove_group().\n\n[Shortened for readability]\n[91854.020159] sysfs: cannot create duplicate filename '/devices/platform/coretemp.0/hwmon/hwmon2/temp20_label'\n<cpu offline>\n[91855.126115] BUG: kernel NULL pointer dereference, address: 0000000000000188\n[91855.165103] #PF: supervisor read access in kernel mode\n[91855.194506] #PF: error_code(0x0000) - not-present page\n[91855.224445] PGD 0 P4D 0\n[91855.238508] Oops: 0000 [#1] PREEMPT SMP PTI\n...\n[91855.342716] RIP: 0010:sysfs_remove_group+0xc/0x80\n...\n[91855.796571] Call Trace:\n[91855.810524] coretemp_cpu_offline+0x12b/0x1dd [coretemp]\n[91855.841738] ? coretemp_cpu_online+0x180/0x180 [coretemp]\n[91855.871107] cpuhp_invoke_callback+0x105/0x4b0\n[91855.893432] cpuhp_thread_fun+0x8e/0x150\n...\n\nFix this by checking for NULL first."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": 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"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": "3.0", "versionEndExcluding": "4.9.335"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "4.14.301"}, {"vulnerable": true, "criteria": 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"https://git.kernel.org/stable/c/070d5ea4a0592a37ad96ce7f7b6b024f90bb009f"}, {"url": "https://git.kernel.org/stable/c/280110db1a7d62ad635b103bafc3ae96e8bef75c"}, {"url": "https://git.kernel.org/stable/c/89eecabe6a47403237f45aafd7d24f93cb973653"}, {"url": "https://git.kernel.org/stable/c/f06e0cd01eab954bd5f2190c9faa79bb5357e05b"}, {"url": "https://git.kernel.org/stable/c/7692700ac818866d138a8de555130a6e70e6ac16"}, {"url": "https://git.kernel.org/stable/c/ae6c8b6e5d5628df1c475c0a8fca1465e205c95b"}, {"url": "https://git.kernel.org/stable/c/a89ff5f5cc64b9fe7a992cf56988fd36f56ca82a"}], "title": "hwmon: (coretemp) Check for null before removing sysfs attrs", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2022-49010", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-10-22T13:13:58.658832Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-22T13:18:38.960Z"}}]}}

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Don't pass that to\nsysfs_remove_group() as that will crash in sysfs_remove_group().\n\n[Shortened for readability]\n[91854.020159] sysfs: cannot create duplicate filename '/devices/platform/coretemp.0/hwmon/hwmon2/temp20_label'\n<cpu offline>\n[91855.126115] BUG: kernel NULL pointer dereference, address: 0000000000000188\n[91855.165103] #PF: supervisor read access in kernel mode\n[91855.194506] #PF: error_code(0x0000) - not-present page\n[91855.224445] PGD 0 P4D 0\n[91855.238508] Oops: 0000 [#1] PREEMPT SMP PTI\n...\n[91855.342716] RIP: 0010:sysfs_remove_group+0xc/0x80\n...\n[91855.796571] Call Trace:\n[91855.810524] coretemp_cpu_offline+0x12b/0x1dd [coretemp]\n[91855.841738] ? coretemp_cpu_online+0x180/0x180 [coretemp]\n[91855.871107] cpuhp_invoke_callback+0x105/0x4b0\n[91855.893432] cpuhp_thread_fun+0x8e/0x150\n...\n\nFix this by checking for NULL first."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T08:12:23.232Z"}}}, "cveMetadata": {"cveId": "CVE-2022-49010", "state": "PUBLISHED", "dateUpdated": "2024-12-19T08:12:23.232Z", "dateReserved": "2024-08-22T01:27:53.644Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-10-21T20:06:21.423Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

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"4.14.301", "versionType": "semver"}, {"lessThanOrEqual": "4.19.*", "status": "unaffected", "version": "4.19.268", "versionType": "semver"}, {"lessThanOrEqual": "5.4.*", "status": "unaffected", "version": "5.4.226", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.158", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.82", "versionType": "semver"}, {"lessThanOrEqual": "6.0.*", "status": "unaffected", "version": "6.0.12", "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": "78A617B4-066E-4AA8-8440-08AD00E56A84", "versionEndExcluding": "4.9.335", "versionStartIncluding": "3.0", "vulnerable": true}, {"criteria": 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"cpe:2.3:o:linux:linux_kernel:6.1:rc6:*:*:*:*:*:*", "matchCriteriaId": "3FFFB0B3-930D-408A-91E2-BAE0C2715D80", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc7:*:*:*:*:*:*", "matchCriteriaId": "8535320E-A0DB-4277-800E-D0CE5BBA59E8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: (coretemp) Check for null before removing sysfs attrs\n\nIf coretemp_add_core() gets an error then pdata->core_data[indx]\nis already NULL and has been kfreed. Don't pass that to\nsysfs_remove_group() as that will crash in sysfs_remove_group().\n\n[Shortened for readability]\n[91854.020159] sysfs: cannot create duplicate filename '/devices/platform/coretemp.0/hwmon/hwmon2/temp20_label'\n<cpu offline>\n[91855.126115] BUG: kernel NULL pointer dereference, address: 0000000000000188\n[91855.165103] #PF: supervisor read access in kernel mode\n[91855.194506] #PF: error_code(0x0000) - not-present page\n[91855.224445] PGD 0 P4D 0\n[91855.238508] Oops: 0000 [#1] PREEMPT SMP PTI\n...\n[91855.342716] RIP: 0010:sysfs_remove_group+0xc/0x80\n...\n[91855.796571] Call Trace:\n[91855.810524] coretemp_cpu_offline+0x12b/0x1dd [coretemp]\n[91855.841738] ? coretemp_cpu_online+0x180/0x180 [coretemp]\n[91855.871107] cpuhp_invoke_callback+0x105/0x4b0\n[91855.893432] cpuhp_thread_fun+0x8e/0x150\n...\n\nFix this by checking for NULL first."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: hwmon: (coretemp) Verificar si hay valores nulos antes de eliminar los atributos de sysfs Si coretemp_add_core() obtiene un error, entonces pdata-&gt;core_data[indx] ya es NULL y se ha liberado. No pase eso a sysfs_remove_group() ya que eso bloquear\u00e1 sysfs_remove_group(). [Abreviado para facilitar la lectura] [91854.020159] sysfs: no se puede crear un nombre de archivo duplicado '/devices/platform/coretemp.0/hwmon/hwmon2/temp20_label' [91855.126115] ERROR: desreferencia de puntero NULL del kernel, direcci\u00f3n: 0000000000000188 [91855.165103] #PF: acceso de lectura del supervisor en modo kernel [91855.194506] #PF: error_code(0x0000) - p\u00e1gina no presente [91855.224445] PGD 0 P4D 0 [91855.238508] Oops: 0000 [#1] PREEMPT SMP PTI ... [91855.342716] RIP: 0010:sysfs_remove_group+0xc/0x80 ... [91855.796571] Seguimiento de llamadas: [91855.810524] coretemp_cpu_offline+0x12b/0x1dd [coretemp] [91855.841738] ? coretemp_cpu_online+0x180/0x180 [coretemp] [91855.871107] cpuhp_invoke_callback+0x105/0x4b0 [91855.893432] cpuhp_thread_fun+0x8e/0x150 ... Solucione esto comprobando primero si es NULL."}], "id": "CVE-2022-49010", "lastModified": "2026-06-17T05:16:50.547", "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-2022-49010", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-10-22T13:13:58.658832Z", "version": "2.0.3"}}]}, "published": "2024-10-21T20:15:12.433", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/070d5ea4a0592a37ad96ce7f7b6b024f90bb009f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/280110db1a7d62ad635b103bafc3ae96e8bef75c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7692700ac818866d138a8de555130a6e70e6ac16"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/89eecabe6a47403237f45aafd7d24f93cb973653"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a89ff5f5cc64b9fe7a992cf56988fd36f56ca82a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ae6c8b6e5d5628df1c475c0a8fca1465e205c95b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f06e0cd01eab954bd5f2190c9faa79bb5357e05b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fb503d077ff7b43913503eaf72995d1239028b99"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2023:2951", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-477.10.1.el8_8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-05-16T00:00:00Z"}, {"advisory": "RHSA-2023:2458", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-284.11.1.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-05-09T00:00:00Z"}, {"advisory": "RHSA-2023:2458", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-284.11.1.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-05-09T00:00:00Z"}], "bugzilla": {"description": "kernel: hwmon: (coretemp) Check for null before removing sysfs attrs", "id": "2320780", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2320780"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nhwmon: (coretemp) Check for null before removing sysfs attrs\nIf coretemp_add_core() gets an error then pdata->core_data[indx]\nis already NULL and has been kfreed. Don't pass that to\nsysfs_remove_group() as that will crash in sysfs_remove_group().\n[Shortened for readability]\n[91854.020159] sysfs: cannot create duplicate filename '/devices/platform/coretemp.0/hwmon/hwmon2/temp20_label'\n<cpu offline>\n[91855.126115] BUG: kernel NULL pointer dereference, address: 0000000000000188\n[91855.165103] #PF: supervisor read access in kernel mode\n[91855.194506] #PF: error_code(0x0000) - not-present page\n[91855.224445] PGD 0 P4D 0\n[91855.238508] Oops: 0000 [#1] PREEMPT SMP PTI\n...\n[91855.342716] RIP: 0010:sysfs_remove_group+0xc/0x80\n...\n[91855.796571] Call Trace:\n[91855.810524] coretemp_cpu_offline+0x12b/0x1dd [coretemp]\n[91855.841738] ? coretemp_cpu_online+0x180/0x180 [coretemp]\n[91855.871107] cpuhp_invoke_callback+0x105/0x4b0\n[91855.893432] cpuhp_thread_fun+0x8e/0x150\n...\nFix this by checking for NULL first."], "name": "CVE-2022-49010", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "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": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-10-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49010\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49010\nhttps://lore.kernel.org/linux-cve-announce/2024102152-CVE-2022-49010-f8e1@gregkh/T"], "statement": "This issue is fixed in RHEL-9.2 and above (including RHEL 8.10)\n~~~\nf1215e1da161 (in rhel-9.2, rhel-9.3, rhel-9.4, rhel-9.5, rhel-9.6) hwmon: (coretemp) Check for null before removing sysfs attrs\n5e2e2086e01a (in rhel-8.8, rhel-8.9, rhel-8.10) hwmon: (coretemp) Check for null before removing sysfs attrs\n~~~\nPlease note that while RHEL-9 kernel-rt still appears as affected, it has been fixed in the same RHSA as RHEL-9 kernel. This is because from RHEL-9.3 onwards, the kernel and kernel-rt fixes are bundled together in a single errata.", "threat_severity": "Moderate"}

{}