{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-45009", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-08-21T05:34:56.679Z", "datePublished": "2024-09-11T15:13:47.719Z", "dateUpdated": "2024-11-05T09:43:59.050Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-05T09:43:59.050Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: pm: only decrement add_addr_accepted for MPJ req\n\nAdding the following warning ...\n\n WARN_ON_ONCE(msk->pm.add_addr_accepted == 0)\n\n... before decrementing the add_addr_accepted counter helped to find a\nbug when running the \"remove single subflow\" subtest from the\nmptcp_join.sh selftest.\n\nRemoving a 'subflow' endpoint will first trigger a RM_ADDR, then the\nsubflow closure. Before this patch, and upon the reception of the\nRM_ADDR, the other peer will then try to decrement this\nadd_addr_accepted. That's not correct because the attached subflows have\nnot been created upon the reception of an ADD_ADDR.\n\nA way to solve that is to decrement the counter only if the attached\nsubflow was an MP_JOIN to a remote id that was not 0, and initiated by\nthe host receiving the RM_ADDR."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/mptcp/pm_netlink.c"], "versions": [{"version": "d0876b2284cf", "lessThan": "35b31f5549ed", "status": "affected", "versionType": "git"}, {"version": "d0876b2284cf", "lessThan": "85b866e4c4e6", "status": "affected", "versionType": "git"}, {"version": "d0876b2284cf", "lessThan": "d20bf2c96d7f", "status": "affected", "versionType": "git"}, {"version": "d0876b2284cf", "lessThan": "2060f1efab37", "status": "affected", "versionType": "git"}, {"version": "d0876b2284cf", "lessThan": "1c1f72137598", "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/mptcp/pm_netlink.c"], "versions": [{"version": "5.10", "status": "affected"}, {"version": "0", "lessThan": "5.10", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.167", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.107", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.48", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.10.7", "lessThanOrEqual": "6.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/35b31f5549ede4070566b949781e83495906b43d"}, {"url": "https://git.kernel.org/stable/c/85b866e4c4e63a1d7afb58f1e24273caad03d0b7"}, {"url": "https://git.kernel.org/stable/c/d20bf2c96d7ffd171299b32f562f70e5bf5dc608"}, {"url": "https://git.kernel.org/stable/c/2060f1efab370b496c4903b840844ecaff324c3c"}, {"url": "https://git.kernel.org/stable/c/1c1f721375989579e46741f59523e39ec9b2a9bd"}], "title": "mptcp: pm: only decrement add_addr_accepted for MPJ req", "x_generator": {"engine": "bippy-9e1c9544281a"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-09-29T15:51:12.192901Z", "id": "CVE-2024-45009", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-29T15:51:26.527Z"}}]}}

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{"bugzilla": {"description": "kernel: mptcp: pm: only decrement add_addr_accepted for MPJ req", "id": "2311706", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2311706"}, "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": "draft"}, "cwe": "CWE-664", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmptcp: pm: only decrement add_addr_accepted for MPJ req\nAdding the following warning ...\nWARN_ON_ONCE(msk->pm.add_addr_accepted == 0)\n... before decrementing the add_addr_accepted counter helped to find a\nbug when running the \"remove single subflow\" subtest from the\nmptcp_join.sh selftest.\nRemoving a 'subflow' endpoint will first trigger a RM_ADDR, then the\nsubflow closure. Before this patch, and upon the reception of the\nRM_ADDR, the other peer will then try to decrement this\nadd_addr_accepted. That's not correct because the attached subflows have\nnot been created upon the reception of an ADD_ADDR.\nA way to solve that is to decrement the counter only if the attached\nsubflow was an MP_JOIN to a remote id that was not 0, and initiated by\nthe host receiving the RM_ADDR."], "name": "CVE-2024-45009", "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": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"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": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-09-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-45009\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-45009\nhttps://lore.kernel.org/linux-cve-announce/2024091104-CVE-2024-45009-24ea@gregkh/T"], "threat_severity": "Moderate"}