| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: pm: Fix uaf in __timer_delete_sync\n\nThere are two paths to access mptcp_pm_del_add_timer, result in a race\ncondition:\n\n CPU1\t\t\t\tCPU2\n ==== ====\n net_rx_action\n napi_poll netlink_sendmsg\n __napi_poll netlink_unicast\n process_backlog netlink_unicast_kernel\n __netif_receive_skb genl_rcv\n __netif_receive_skb_one_core netlink_rcv_skb\n NF_HOOK genl_rcv_msg\n ip_local_deliver_finish genl_family_rcv_msg\n ip_protocol_deliver_rcu genl_family_rcv_msg_doit\n tcp_v4_rcv mptcp_pm_nl_flush_addrs_doit\n tcp_v4_do_rcv mptcp_nl_remove_addrs_list\n tcp_rcv_established mptcp_pm_remove_addrs_and_subflows\n tcp_data_queue remove_anno_list_by_saddr\n mptcp_incoming_options mptcp_pm_del_add_timer\n mptcp_pm_del_add_timer kfree(entry)\n\nIn remove_anno_list_by_saddr(running on CPU2), after leaving the critical\nzone protected by \"pm.lock\", the entry will be released, which leads to the\noccurrence of uaf in the mptcp_pm_del_add_timer(running on CPU1).\n\nKeeping a reference to add_timer inside the lock, and calling\nsk_stop_timer_sync() with this reference, instead of \"entry->add_timer\".\n\nMove list_del(&entry->list) to mptcp_pm_del_add_timer and inside the pm lock,\ndo not directly access any members of the entry outside the pm lock, which\ncan avoid similar \"entry->x\" uaf." |
| } |
| ], |
| "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": "00cfd77b9063dcdf3628a7087faba60de85a9cc8", |
| "lessThan": "3554482f4691571fc4b5490c17ae26896e62171c", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "00cfd77b9063dcdf3628a7087faba60de85a9cc8", |
| "lessThan": "67409b358500c71632116356a0b065f112d7b707", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "00cfd77b9063dcdf3628a7087faba60de85a9cc8", |
| "lessThan": "6452b162549c7f9ef54655d3fb9977b9192e6e5b", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "00cfd77b9063dcdf3628a7087faba60de85a9cc8", |
| "lessThan": "12134a652b0a10064844ea235173e70246eba6dc", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "00cfd77b9063dcdf3628a7087faba60de85a9cc8", |
| "lessThan": "b4cd80b0338945a94972ac3ed54f8338d2da2076", |
| "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": "5.15.168", |
| "lessThanOrEqual": "5.15.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1.111", |
| "lessThanOrEqual": "6.1.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.52", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.10.11", |
| "lessThanOrEqual": "6.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.11", |
| "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": "5.10", |
| "versionEndExcluding": "5.15.168" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.10", |
| "versionEndExcluding": "6.1.111" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.10", |
| "versionEndExcluding": "6.6.52" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.10", |
| "versionEndExcluding": "6.10.11" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.10", |
| "versionEndExcluding": "6.11" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/3554482f4691571fc4b5490c17ae26896e62171c" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/67409b358500c71632116356a0b065f112d7b707" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/6452b162549c7f9ef54655d3fb9977b9192e6e5b" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/12134a652b0a10064844ea235173e70246eba6dc" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/b4cd80b0338945a94972ac3ed54f8338d2da2076" |
| } |
| ], |
| "title": "mptcp: pm: Fix uaf in __timer_delete_sync", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-46858", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
