{"dataType": "CVE_RECORD", "cveMetadata": {"cveId": "CVE-2024-27395", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-25T13:47:42.677Z", "datePublished": "2024-05-09T16:37:15.196Z", "dateUpdated": "2024-09-11T17:33:26.879Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:28:21.699Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: openvswitch: Fix Use-After-Free in ovs_ct_exit\n\nSince kfree_rcu, which is called in the hlist_for_each_entry_rcu traversal\nof ovs_ct_limit_exit, is not part of the RCU read critical section, it\nis possible that the RCU grace period will pass during the traversal and\nthe key will be free.\n\nTo prevent this, it should be changed to hlist_for_each_entry_safe."}], "affected": [{"product": "Linux", 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{"dataType": "CVE_RECORD", "cveMetadata": {"cveId": "CVE-2024-27395", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-25T13:47:42.677Z", "datePublished": "2024-05-09T16:37:15.196Z", "dateUpdated": "2024-08-02T00:34:52.145Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:28:21.699Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: openvswitch: Fix Use-After-Free in ovs_ct_exit\n\nSince kfree_rcu, which is called in the hlist_for_each_entry_rcu traversal\nof ovs_ct_limit_exit, is not part of the RCU read critical section, it\nis possible that the RCU grace period will pass during the traversal and\nthe key will be free.\n\nTo prevent this, it should be changed to hlist_for_each_entry_safe."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/openvswitch/conntrack.c"], "versions": [{"version": "11efd5cb04a1", "lessThan": "2db9a8c0a01f", "status": "affected", "versionType": "git"}, {"version": "11efd5cb04a1", "lessThan": "589523cf0b38", "status": "affected", "versionType": "git"}, {"version": "11efd5cb04a1", "lessThan": "35880c3fa6f8", "status": "affected", "versionType": "git"}, {"version": "11efd5cb04a1", "lessThan": "9048616553c6", "status": "affected", "versionType": "git"}, {"version": "11efd5cb04a1", "lessThan": "bca6fa2d9a9f", "status": "affected", "versionType": "git"}, {"version": "11efd5cb04a1", "lessThan": "eaa5e164a211", "status": "affected", "versionType": "git"}, {"version": "11efd5cb04a1", "lessThan": "edee0758747d", "status": "affected", "versionType": "git"}, {"version": "11efd5cb04a1", "lessThan": "5ea7b72d4fac", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/openvswitch/conntrack.c"], "versions": [{"version": "4.18", "status": "affected"}, {"version": "0", "lessThan": "4.18", "status": "unaffected", "versionType": "custom"}, {"version": "4.19.313", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "custom"}, {"version": "5.4.275", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "custom"}, {"version": "5.10.216", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom"}, {"version": "5.15.158", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom"}, {"version": "6.1.90", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom"}, {"version": "6.6.30", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom"}, {"version": "6.8.9", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "custom"}, {"version": "6.9", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/2db9a8c0a01fa1c762c1e61a13c212c492752994"}, {"url": "https://git.kernel.org/stable/c/589523cf0b384164e445dd5db8d5b1bf97982424"}, {"url": "https://git.kernel.org/stable/c/35880c3fa6f8fe281a19975d2992644588ca33d3"}, {"url": "https://git.kernel.org/stable/c/9048616553c65e750d43846f225843ed745ec0d4"}, {"url": "https://git.kernel.org/stable/c/bca6fa2d9a9f560e6b89fd5190b05cc2f5d422c1"}, {"url": "https://git.kernel.org/stable/c/eaa5e164a2110d2fb9e16c8a29e4501882235137"}, {"url": "https://git.kernel.org/stable/c/edee0758747d7c219e29db9ed1d4eb33e8d32865"}, {"url": "https://git.kernel.org/stable/c/5ea7b72d4fac2fdbc0425cd8f2ea33abe95235b2"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"}], "title": "net: openvswitch: Fix Use-After-Free in ovs_ct_exit", "x_generator": {"engine": "bippy-a5840b7849dd"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-27395", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T15:43:26.319846Z"}}}], "providerMetadata": {"shortName": "CISA-ADP", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "dateUpdated": "2024-09-11T12:42:16.716Z"}, "title": "CISA ADP Vulnrichment"}]}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: openvswitch: Fix Use-After-Free in ovs_ct_exit\n\nSince kfree_rcu, which is called in the hlist_for_each_entry_rcu traversal\nof ovs_ct_limit_exit, is not part of the RCU read critical section, it\nis possible that the RCU grace period will pass during the traversal and\nthe key will be free.\n\nTo prevent this, it should be changed to hlist_for_each_entry_safe."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: openvswitch: Fix Use-After-Free en ovs_ct_exit Dado que kfree_rcu, que se llama en el recorrido hlist_for_each_entry_rcu de ovs_ct_limit_exit, no forma parte de la secci\u00f3n cr\u00edtica de lectura de RCU, es posible que el per\u00edodo de gracia de RCU pasar\u00e1 durante el recorrido y la clave quedar\u00e1 libre. Para evitar esto, se debe cambiar a hlist_for_each_entry_safe."}], "id": "CVE-2024-27395", "lastModified": "2024-06-27T12:15:24.577", "metrics": {}, "published": "2024-05-14T15:12:27.683", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2db9a8c0a01fa1c762c1e61a13c212c492752994"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/35880c3fa6f8fe281a19975d2992644588ca33d3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/589523cf0b384164e445dd5db8d5b1bf97982424"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5ea7b72d4fac2fdbc0425cd8f2ea33abe95235b2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9048616553c65e750d43846f225843ed745ec0d4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bca6fa2d9a9f560e6b89fd5190b05cc2f5d422c1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/eaa5e164a2110d2fb9e16c8a29e4501882235137"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/edee0758747d7c219e29db9ed1d4eb33e8d32865"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"}], "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"}], "bugzilla": {"description": "kernel: net: openvswitch: Fix Use-After-Free in ovs_ct_exit", "id": "2280440", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2280440"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: openvswitch: Fix Use-After-Free in ovs_ct_exit\nSince kfree_rcu, which is called in the hlist_for_each_entry_rcu traversal\nof ovs_ct_limit_exit, is not part of the RCU read critical section, it\nis possible that the RCU grace period will pass during the traversal and\nthe key will be free.\nTo prevent this, it should be changed to hlist_for_each_entry_safe."], "name": "CVE-2024-27395", "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": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Under investigation", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-27395\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-27395\nhttps://lore.kernel.org/linux-cve-announce/2024050836-CVE-2024-27395-573e@gregkh/T"], "threat_severity": "Low", "upstream_fix": "kernel 4.19.313, kernel 5.4.275, kernel 5.10.216, kernel 5.15.158, kernel 6.1.90, kernel 6.6.30, kernel 6.8.9, kernel 6.9-rc6"}