{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-48757", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-06-20T11:09:39.059Z", "datePublished": "2024-06-20T11:13:36.529Z", "dateUpdated": "2024-09-11T17:34:47.482Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-06-20T11:14:50.866Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fix information leakage in /proc/net/ptype\n\nIn one net namespace, after creating a packet socket without binding\nit to a device, users in other net namespaces can observe the new\n`packet_type` added by this packet socket by reading `/proc/net/ptype`\nfile. 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{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-48757", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-06-20T11:09:39.059Z", "datePublished": "2024-06-20T11:13:36.529Z", "dateUpdated": "2024-08-03T15:25:01.373Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-06-20T11:14:50.866Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fix information leakage in /proc/net/ptype\n\nIn one net namespace, after creating a packet socket without binding\nit to a device, users in other net namespaces can observe the new\n`packet_type` added by this packet socket by reading `/proc/net/ptype`\nfile. This is minor information leakage as packet socket is\nnamespace aware.\n\nAdd a net pointer in `packet_type` to keep the net namespace of\nof corresponding packet socket. In `ptype_seq_show`, this net pointer\nmust be checked when it is not NULL."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/linux/netdevice.h", "net/core/net-procfs.c", "net/packet/af_packet.c"], "versions": [{"version": "2feb27dbe00c", "lessThan": "8f88c78d24f6", "status": "affected", "versionType": "git"}, {"version": "2feb27dbe00c", "lessThan": "be1ca30331c7", "status": "affected", "versionType": "git"}, {"version": "2feb27dbe00c", "lessThan": "c38023032a59", "status": "affected", "versionType": "git"}, {"version": "2feb27dbe00c", "lessThan": "b67ad6170c0e", "status": "affected", "versionType": "git"}, {"version": "2feb27dbe00c", "lessThan": "e372ecd455b6", "status": "affected", "versionType": "git"}, {"version": "2feb27dbe00c", "lessThan": "db044d97460e", "status": "affected", "versionType": "git"}, {"version": "2feb27dbe00c", "lessThan": "e43669c77cb3", "status": "affected", "versionType": "git"}, {"version": "2feb27dbe00c", "lessThan": "839ec7039513", "status": "affected", "versionType": "git"}, {"version": "2feb27dbe00c", "lessThan": "47934e06b656", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/linux/netdevice.h", "net/core/net-procfs.c", "net/packet/af_packet.c"], "versions": [{"version": "2.6.26", "status": "affected"}, {"version": "0", "lessThan": "2.6.26", "status": "unaffected", "versionType": "custom"}, {"version": "4.4.302", "lessThanOrEqual": "4.4.*", "status": "unaffected", "versionType": "custom"}, {"version": "4.9.300", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "custom"}, {"version": "4.14.265", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "custom"}, {"version": "4.19.228", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "custom"}, {"version": "5.4.176", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "custom"}, {"version": "5.10.96", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom"}, {"version": "5.15.19", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom"}, {"version": "5.16.5", "lessThanOrEqual": "5.16.*", "status": "unaffected", "versionType": "custom"}, {"version": "5.17", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/8f88c78d24f6f346919007cd459fd7e51a8c7779"}, {"url": "https://git.kernel.org/stable/c/be1ca30331c7923c6f376610c1bd6059be9b1908"}, {"url": "https://git.kernel.org/stable/c/c38023032a598ec6263e008d62c7f02def72d5c7"}, {"url": "https://git.kernel.org/stable/c/b67ad6170c0ea87391bb253f35d1f78857736e54"}, {"url": "https://git.kernel.org/stable/c/e372ecd455b6ebc7720f52bf4b5f5d44d02f2092"}, {"url": "https://git.kernel.org/stable/c/db044d97460ea792110eb8b971e82569ded536c6"}, {"url": "https://git.kernel.org/stable/c/e43669c77cb3a742b7d84ecdc7c68c4167a7709b"}, {"url": "https://git.kernel.org/stable/c/839ec7039513a4f84bfbaff953a9393471176bee"}, {"url": "https://git.kernel.org/stable/c/47934e06b65637c88a762d9c98329ae6e3238888"}], "title": "net: fix information leakage in /proc/net/ptype", "x_generator": {"engine": "bippy-7d53e8ef8be4"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2022-48757", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T17:10:16.134809Z"}}}], "providerMetadata": {"shortName": "CISA-ADP", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "dateUpdated": "2024-09-11T12:42:25.927Z"}, "title": "CISA ADP Vulnrichment"}]}}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fix information leakage in /proc/net/ptype\n\nIn one net namespace, after creating a packet socket without binding\nit to a device, users in other net namespaces can observe the new\n`packet_type` added by this packet socket by reading `/proc/net/ptype`\nfile. This is minor information leakage as packet socket is\nnamespace aware.\n\nAdd a net pointer in `packet_type` to keep the net namespace of\nof corresponding packet socket. In `ptype_seq_show`, this net pointer\nmust be checked when it is not NULL."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: corrige la fuga de informaci\u00f3n en /proc/net/ptype en un espacio de nombres de red, despu\u00e9s de crear un socket de paquetes sin vincularlo a un dispositivo, los usuarios de otros espacios de nombres de red pueden observar la nueva `packet_type` agregado por este socket de paquete leyendo el archivo `/proc/net/ptype`. Esta es una fuga de informaci\u00f3n menor ya que el socket del paquete reconoce el espacio de nombres. Agregue un puntero de red en `packet_type` para mantener el espacio de nombres de red del socket de paquete correspondiente. En `ptype_seq_show`, este puntero de red debe verificarse cuando no sea NULL."}], "id": "CVE-2022-48757", "lastModified": "2024-06-20T12:43:25.663", "metrics": {}, "published": "2024-06-20T12:15:13.823", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/47934e06b65637c88a762d9c98329ae6e3238888"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/839ec7039513a4f84bfbaff953a9393471176bee"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8f88c78d24f6f346919007cd459fd7e51a8c7779"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b67ad6170c0ea87391bb253f35d1f78857736e54"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/be1ca30331c7923c6f376610c1bd6059be9b1908"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c38023032a598ec6263e008d62c7f02def72d5c7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/db044d97460ea792110eb8b971e82569ded536c6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e372ecd455b6ebc7720f52bf4b5f5d44d02f2092"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e43669c77cb3a742b7d84ecdc7c68c4167a7709b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"affected_release": [{"advisory": "RHSA-2024:5102", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-553.16.1.rt7.357.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-08-08T00:00:00Z"}, {"advisory": "RHSA-2024:5101", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-553.16.1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-08-08T00:00:00Z"}, {"advisory": "RHSA-2024:6206", "cpe": "cpe:/o:redhat:rhel_eus:8.8", "package": "kernel-0:4.18.0-477.70.1.el8_8", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-09-03T00:00:00Z"}], "bugzilla": {"description": "kernel: net: fix information leakage in /proc/net/ptype", "id": "2293383", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2293383"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "status": "verified"}, "cwe": "CWE-276", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: fix information leakage in /proc/net/ptype\nIn one net namespace, after creating a packet socket without binding\nit to a device, users in other net namespaces can observe the new\n`packet_type` added by this packet socket by reading `/proc/net/ptype`\nfile. This is minor information leakage as packet socket is\nnamespace aware.\nAdd a net pointer in `packet_type` to keep the net namespace of\nof corresponding packet socket. In `ptype_seq_show`, this net pointer\nmust be checked when it is not NULL."], "name": "CVE-2022-48757", "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:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-06-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-48757\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-48757\nhttps://lore.kernel.org/linux-cve-announce/2024062007-CVE-2022-48757-c816@gregkh/T"], "threat_severity": "Low", "upstream_fix": "kernel 4.4.302, kernel 4.9.300, kernel 4.14.265, kernel 4.19.228, kernel 5.4.176, kernel 5.10.96, kernel 5.15.19, kernel 5.16.5, kernel 5.17"}