{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2024-40995", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-07-12T12:17:45.607Z", "datePublished": "2024-07-12T12:37:37.791Z", "dateUpdated": "2024-09-11T17:34:19.797Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-07-15T06:53:00.787Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: act_api: fix possible infinite loop in tcf_idr_check_alloc()\n\nsyzbot found hanging tasks waiting on rtnl_lock [1]\n\nA reproducer is available in the syzbot bug.\n\nWhen a request to add multiple actions with the same index is sent, the\nsecond request will block forever on the first request. This holds\nrtnl_lock, and causes tasks to hang.\n\nReturn -EAGAIN to prevent infinite looping, while keeping documented\nbehavior.\n\n[1]\n\nINFO: task kworker/1:0:5088 blocked for more than 143 seconds.\nNot tainted 6.9.0-rc4-syzkaller-00173-g3cdb45594619 #0\n\"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\ntask:kworker/1:0 state:D stack:23744 pid:5088 tgid:5088 ppid:2 flags:0x00004000\nWorkqueue: events_power_efficient reg_check_chans_work\nCall Trace:\n\ncontext_switch kernel/sched/core.c:5409 [inline]\n__schedule+0xf15/0x5d00 kernel/sched/core.c:6746\n__schedule_loop kernel/sched/core.c:6823 [inline]\nschedule+0xe7/0x350 kernel/sched/core.c:6838\nschedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895\n__mutex_lock_common kernel/locking/mutex.c:684 [inline]\n__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752\nwiphy_lock include/net/cfg80211.h:5953 [inline]\nreg_leave_invalid_chans net/wireless/reg.c:2466 [inline]\nreg_check_chans_work+0x10a/0x10e0 net/wireless/reg.c:2481" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/sched/act_api.c" ], "versions": [ { "version": "0190c1d452a9", "lessThan": "0d8a2d287c8a", "status": "affected", "versionType": "git" }, { "version": "0190c1d452a9", "lessThan": "c6a7da65a296", "status": "affected", "versionType": "git" }, { "version": "0190c1d452a9", "lessThan": "25987a97eec4", "status": "affected", "versionType": "git" }, { "version": "0190c1d452a9", "lessThan": "6fc78d67f51a", "status": "affected", "versionType": "git" }, { "version": "0190c1d452a9", "lessThan": "5f926aa96b08", "status": "affected", "versionType": "git" }, { "version": "0190c1d452a9", "lessThan": "7a0e497b597d", "status": "affected", "versionType": "git" }, { "version": "0190c1d452a9", "lessThan": "d864319871b0", "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/sched/act_api.c" ], "versions": [ { "version": "4.19", "status": "affected" }, { "version": "0", "lessThan": "4.19", "status": "unaffected", "versionType": "custom" }, { "version": "5.4.279", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.10.221", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.162", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.96", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.36", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.9.7", "lessThanOrEqual": "6.9.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.10", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/0d8a2d287c8a394c0d4653f0c6c7be4c688e5a74" }, { "url": "https://git.kernel.org/stable/c/c6a7da65a296745535a964be1019ec7691b0cb90" }, { "url": "https://git.kernel.org/stable/c/25987a97eec4d5f897cd04ee1b45170829c610da" }, { "url": "https://git.kernel.org/stable/c/6fc78d67f51aeb9a542d39a8714e16bc411582d4" }, { "url": "https://git.kernel.org/stable/c/5f926aa96b08b6c47178fe1171e7ae331c695fc2" }, { "url": "https://git.kernel.org/stable/c/7a0e497b597df7c4cf2b63fc6e9188b6cabe5335" }, { "url": "https://git.kernel.org/stable/c/d864319871b05fadd153e0aede4811ca7008f5d6" } ], "title": "net/sched: act_api: fix possible infinite loop in tcf_idr_check_alloc()", "x_generator": { "engine": "bippy-c9c4e1df01b2" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T04:39:56.074Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/0d8a2d287c8a394c0d4653f0c6c7be4c688e5a74", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/c6a7da65a296745535a964be1019ec7691b0cb90", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/25987a97eec4d5f897cd04ee1b45170829c610da", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/6fc78d67f51aeb9a542d39a8714e16bc411582d4", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/5f926aa96b08b6c47178fe1171e7ae331c695fc2", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/7a0e497b597df7c4cf2b63fc6e9188b6cabe5335", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/d864319871b05fadd153e0aede4811ca7008f5d6", "tags": [ "x_transferred" ] } ] }, { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2024-40995", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-09-10T17:01:35.312165Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:34:19.797Z" } } ] } }