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"https://git.kernel.org/stable/c/147d89ee41434b97043c2dcb17a97dc151859baa"}, {"url": "https://git.kernel.org/stable/c/f82aac8162871e87027692b36af335a2375d4580"}, {"url": "https://git.kernel.org/stable/c/a75152d233370362eebedb2643592e7c883cc9fc"}, {"url": "https://git.kernel.org/stable/c/25563b581ba3a1f263a00e8c9a97f5e7363be6fd"}], "x_generator": {"engine": "bippy-9e1c9544281a"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fix possible store tearing in neigh_periodic_work()\n\nWhile looking at a related syzbot report involving neigh_periodic_work(),\nI found that I forgot to add an annotation when deleting an\nRCU protected item from a list.\n\nReaders use rcu_deference(*np), we need to use either\nrcu_assign_pointer() or WRITE_ONCE() on writer side\nto prevent store tearing.\n\nI use rcu_assign_pointer() to have lockdep support,\nthis was the choice made in neigh_flush_dev()."}], "providerMetadata": {"orgId": 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{"descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fix possible store tearing in neigh_periodic_work()\n\nWhile looking at a related syzbot report involving neigh_periodic_work(),\nI found that I forgot to add an annotation when deleting an\nRCU protected item from a list.\n\nReaders use rcu_deference(*np), we need to use either\nrcu_assign_pointer() or WRITE_ONCE() on writer side\nto prevent store tearing.\n\nI use rcu_assign_pointer() to have lockdep support,\nthis was the choice made in neigh_flush_dev()."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: net: soluciona el posible desgarro del almac\u00e9n en neigh_periodic_work() Mientras miraba un informe de syzbot relacionado que involucraba a neigh_periodic_work(), descubr\u00ed que olvid\u00e9 agregar una anotaci\u00f3n al eliminar un elemento protegido por RCU de una lista. Los lectores usan rcu_deference(*np), necesitamos usar rcu_assign_pointer() o WRITE_ONCE() en el lado del escritor para evitar que la tienda se rompa. Utilizo rcu_assign_pointer() para tener soporte lockdep, esta fue la elecci\u00f3n hecha en neigh_flush_dev()."}], "id": "CVE-2023-52522", "lastModified": "2024-11-21T08:39:57.493", "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-03-02T22:15:48.170", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/147d89ee41434b97043c2dcb17a97dc151859baa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/25563b581ba3a1f263a00e8c9a97f5e7363be6fd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2ea52a2fb8e87067e26bbab4efb8872639240eb0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/95eabb075a5902f4c0834ab1fb12dc35730c05af"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a75152d233370362eebedb2643592e7c883cc9fc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f82aac8162871e87027692b36af335a2375d4580"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/147d89ee41434b97043c2dcb17a97dc151859baa"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/25563b581ba3a1f263a00e8c9a97f5e7363be6fd"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/2ea52a2fb8e87067e26bbab4efb8872639240eb0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/95eabb075a5902f4c0834ab1fb12dc35730c05af"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/a75152d233370362eebedb2643592e7c883cc9fc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/f82aac8162871e87027692b36af335a2375d4580"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"affected_release": [{"advisory": "RHSA-2024:7001", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-553.22.1.rt7.363.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-09-24T00:00:00Z"}, {"advisory": "RHSA-2024:7000", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-553.22.1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-09-24T00:00:00Z"}, {"advisory": "RHSA-2024:6998", "cpe": "cpe:/o:redhat:rhel_aus:8.6", "package": "kernel-0:4.18.0-372.124.1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support", "release_date": "2024-09-24T00:00:00Z"}, {"advisory": "RHSA-2024:6998", "cpe": "cpe:/o:redhat:rhel_tus:8.6", "package": "kernel-0:4.18.0-372.124.1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Telecommunications Update Service", "release_date": "2024-09-24T00:00:00Z"}, {"advisory": "RHSA-2024:6998", "cpe": "cpe:/o:redhat:rhel_e4s:8.6", "package": "kernel-0:4.18.0-372.124.1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions", "release_date": "2024-09-24T00:00:00Z"}, {"advisory": "RHSA-2024:6993", "cpe": "cpe:/o:redhat:rhel_eus:8.8", "package": "kernel-0:4.18.0-477.74.1.el8_8", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-09-24T00:00:00Z"}, {"advisory": "RHSA-2024:2394", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.13.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-04-30T00:00:00Z"}, {"advisory": "RHSA-2024:2394", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.13.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-04-30T00:00:00Z"}, {"advisory": "RHSA-2024:9497", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "kernel-0:5.14.0-284.92.1.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-11-13T00:00:00Z"}, {"advisory": "RHSA-2024:9498", "cpe": "cpe:/a:redhat:rhel_eus:9.2::nfv", "package": "kernel-rt-0:5.14.0-284.92.1.rt14.377.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-11-13T00:00:00Z"}], "bugzilla": {"description": "kernel: net: fix possible store tearing in neigh_periodic_work()", "id": "2267795", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2267795"}, "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-20", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: fix possible store tearing in neigh_periodic_work()\nWhile looking at a related syzbot report involving neigh_periodic_work(),\nI found that I forgot to add an annotation when deleting an\nRCU protected item from a list.\nReaders use rcu_deference(*np), we need to use either\nrcu_assign_pointer() or WRITE_ONCE() on writer side\nto prevent store tearing.\nI use rcu_assign_pointer() to have lockdep support,\nthis was the choice made in neigh_flush_dev().", "A flaw was found in the Linux kernel that allows for potential store tearing within the neigh_periodic_work() function, meaning a write operation on a value is not protected properly and could result in inconsistencies if another process or thread reads from that value before the operation is complete."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2023-52522", "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-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-03-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52522\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52522\nhttps://lore.kernel.org/linux-cve-announce/2024030253-CVE-2023-52522-6abd@gregkh/T/#u"], "threat_severity": "Moderate", "upstream_fix": "kernel 5.4.258, kernel 5.10.198, kernel 5.15.135, kernel 6.1.57, kernel 6.5.7, kernel 6.6"}