CVE-2024-26845 (GCVE-0-2024-26845)

Vulnerability from cvelistv5 – Published: 2024-04-17 10:10 – Updated: 2026-08-05 11:27
VLAI
Title
scsi: target: core: Add TMF to tmr_list handling
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: target: core: Add TMF to tmr_list handling An abort that is responded to by iSCSI itself is added to tmr_list but does not go to target core. A LUN_RESET that goes through tmr_list takes a refcounter on the abort and waits for completion. However, the abort will be never complete because it was not started in target core. Unable to locate ITT: 0x05000000 on CID: 0 Unable to locate RefTaskTag: 0x05000000 on CID: 0. wait_for_tasks: Stopping tmf LUN_RESET with tag 0x0 ref_task_tag 0x0 i_state 34 t_state ISTATE_PROCESSING refcnt 2 transport_state active,stop,fabric_stop wait for tasks: tmf LUN_RESET with tag 0x0 ref_task_tag 0x0 i_state 34 t_state ISTATE_PROCESSING refcnt 2 transport_state active,stop,fabric_stop ... INFO: task kworker/0:2:49 blocked for more than 491 seconds. task:kworker/0:2 state:D stack: 0 pid: 49 ppid: 2 flags:0x00000800 Workqueue: events target_tmr_work [target_core_mod] Call Trace: __switch_to+0x2c4/0x470 _schedule+0x314/0x1730 schedule+0x64/0x130 schedule_timeout+0x168/0x430 wait_for_completion+0x140/0x270 target_put_cmd_and_wait+0x64/0xb0 [target_core_mod] core_tmr_lun_reset+0x30/0xa0 [target_core_mod] target_tmr_work+0xc8/0x1b0 [target_core_mod] process_one_work+0x2d4/0x5d0 worker_thread+0x78/0x6c0 To fix this, only add abort to tmr_list if it will be handled by target core.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 2281c95fe751325874d135b237ecdcd3bc34cc26 , < 11f3fe5001ed05721e641f0ecaa7a73b7deb245d (git)
Affected: 2281c95fe751325874d135b237ecdcd3bc34cc26 , < 168ed59170de1fd7274080fe102216162d6826cf (git)
Affected: 2281c95fe751325874d135b237ecdcd3bc34cc26 , < a9849b67b4402a12eb35eadc9306c1ef9847d53d (git)
Affected: 2281c95fe751325874d135b237ecdcd3bc34cc26 , < e717bd412001495f17400bfc09f606f1b594ef5a (git)
Affected: 2281c95fe751325874d135b237ecdcd3bc34cc26 , < 36bc5040c863b44af06094b22f1e50059227b9cb (git)
Affected: 2281c95fe751325874d135b237ecdcd3bc34cc26 , < bd508f96b5fef96d8a0ce9cbb211d82bcfc2341f (git)
Affected: 2281c95fe751325874d135b237ecdcd3bc34cc26 , < 83ab68168a3d990d5ff39ab030ad5754cbbccb25 (git)
Create a notification for this product.
Linux Linux Affected: 5.1
Unaffected: 0 , < 5.1 (semver)
Unaffected: 5.4.270 , ≤ 5.4.* (semver)
Unaffected: 5.10.211 , ≤ 5.10.* (semver)
Unaffected: 5.15.150 , ≤ 5.15.* (semver)
Unaffected: 6.1.80 , ≤ 6.1.* (semver)
Unaffected: 6.6.19 , ≤ 6.6.* (semver)
Unaffected: 6.7.7 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nscsi: target: core: Add TMF to tmr_list handling\\n\\nAn abort that is responded to by iSCSI itself is added to tmr_list but does\\nnot go to target core. A LUN_RESET that goes through tmr_list takes a\\nrefcounter on the abort and waits for completion. However, the abort will\\nbe never complete because it was not started in target core.\\n\\n Unable to locate ITT: 0x05000000 on CID: 0\\n Unable to locate RefTaskTag: 0x05000000 on CID: 0.\\n wait_for_tasks: Stopping tmf LUN_RESET with tag 0x0 ref_task_tag 0x0 i_state 34 t_state ISTATE_PROCESSING refcnt 2 transport_state active,stop,fabric_stop\\n wait for tasks: tmf LUN_RESET with tag 0x0 ref_task_tag 0x0 i_state 34 t_state ISTATE_PROCESSING refcnt 2 transport_state active,stop,fabric_stop\\n...\\n INFO: task kworker/0:2:49 blocked for more than 491 seconds.\\n task:kworker/0:2     state:D stack:    0 pid:   49 ppid:     2 flags:0x00000800\\n Workqueue: events target_tmr_work [target_core_mod]\\nCall Trace:\\n __switch_to+0x2c4/0x470\\n _schedule+0x314/0x1730\\n schedule+0x64/0x130\\n schedule_timeout+0x168/0x430\\n wait_for_completion+0x140/0x270\\n target_put_cmd_and_wait+0x64/0xb0 [target_core_mod]\\n core_tmr_lun_reset+0x30/0xa0 [target_core_mod]\\n target_tmr_work+0xc8/0x1b0 [target_core_mod]\\n process_one_work+0x2d4/0x5d0\\n worker_thread+0x78/0x6c0\\n\\nTo fix this, only add abort to tmr_list if it will be handled by target\\ncore.\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se resolvi\\u00f3 la siguiente vulnerabilidad: scsi: target: core: agregar TMF al manejo de tmr_list. Una cancelaci\\u00f3n a la que responde iSCSI se agrega a tmr_list pero no va al n\\u00facleo de destino. Un LUN_RESET que pasa por tmr_list toma un refcounter al cancelar y espera a que se complete. Sin embargo, la cancelaci\\u00f3n nunca se completar\\u00e1 porque no se inici\\u00f3 en el n\\u00facleo de destino. No se puede ubicar ITT: 0x05000000 en CID: 0 No se puede ubicar RefTaskTag: 0x05000000 en CID: 0. wait_for_tasks: Deteniendo tmf LUN_RESET con etiqueta 0x0 ref_task_tag 0x0 i_state 34 t_state ISTATE_PROCESSING refcnt 2 transport_state active,stop,fabric_stop esperar tareas: t mf LUN_RESET con etiqueta 0x0 ref_task_tag 0x0 i_state 34 t_state ISTATE_PROCESSING refcnt 2 transport_state active,stop,fabric_stop ... INFORMACI\\u00d3N: tarea kworker/0:2:49 bloqueada durante m\\u00e1s de 491 segundos. tarea:kworker/0:2 estado:D pila: 0 pid: 49 ppid: 2 banderas:0x00000800 Cola de trabajo: eventos target_tmr_work [target_core_mod] Seguimiento de llamadas: __switch_to+0x2c4/0x470 _schedule+0x314/0x1730 Schedule+0x64/0x130 Schedule_timeout+0x168 /0x430 wait_for_completion+0x140/0x270 target_put_cmd_and_wait+0x64/0xb0 [target_core_mod] core_tmr_lun_reset+0x30/0xa0 [target_core_mod] target_tmr_work+0xc8/0x1b0 [target_core_mod] work_thread+0x78/0x6c0 Para solucionar este problema, solo agregue abort a tmr_list si ser\\u00e1 manejado por el n\\u00facleo objetivo.\"}]",
      "id": "CVE-2024-26845",
      "lastModified": "2024-11-21T09:03:11.787",
      "published": "2024-04-17T10:15:10.137",
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      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Awaiting Analysis"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26845\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-17T10:15:10.137\",\"lastModified\":\"2026-08-04T11:17:12.617\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nscsi: target: core: Add TMF to tmr_list handling\\n\\nAn abort that is responded to by iSCSI itself is added to tmr_list but does\\nnot go to target core. A LUN_RESET that goes through tmr_list takes a\\nrefcounter on the abort and waits for completion. However, the abort will\\nbe never complete because it was not started in target core.\\n\\n Unable to locate ITT: 0x05000000 on CID: 0\\n Unable to locate RefTaskTag: 0x05000000 on CID: 0.\\n wait_for_tasks: Stopping tmf LUN_RESET with tag 0x0 ref_task_tag 0x0 i_state 34 t_state ISTATE_PROCESSING refcnt 2 transport_state active,stop,fabric_stop\\n wait for tasks: tmf LUN_RESET with tag 0x0 ref_task_tag 0x0 i_state 34 t_state ISTATE_PROCESSING refcnt 2 transport_state active,stop,fabric_stop\\n...\\n INFO: task kworker/0:2:49 blocked for more than 491 seconds.\\n task:kworker/0:2     state:D stack:    0 pid:   49 ppid:     2 flags:0x00000800\\n Workqueue: events target_tmr_work [target_core_mod]\\nCall Trace:\\n __switch_to+0x2c4/0x470\\n _schedule+0x314/0x1730\\n schedule+0x64/0x130\\n schedule_timeout+0x168/0x430\\n wait_for_completion+0x140/0x270\\n target_put_cmd_and_wait+0x64/0xb0 [target_core_mod]\\n core_tmr_lun_reset+0x30/0xa0 [target_core_mod]\\n target_tmr_work+0xc8/0x1b0 [target_core_mod]\\n process_one_work+0x2d4/0x5d0\\n worker_thread+0x78/0x6c0\\n\\nTo fix this, only add abort to tmr_list if it will be handled by target\\ncore.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: scsi: target: core: agregar TMF al manejo de tmr_list. Una cancelaci\u00f3n a la que responde iSCSI se agrega a tmr_list pero no va al n\u00facleo de destino. Un LUN_RESET que pasa por tmr_list toma un refcounter al cancelar y espera a que se complete. Sin embargo, la cancelaci\u00f3n nunca se completar\u00e1 porque no se inici\u00f3 en el n\u00facleo de destino. No se puede ubicar ITT: 0x05000000 en CID: 0 No se puede ubicar RefTaskTag: 0x05000000 en CID: 0. wait_for_tasks: Deteniendo tmf LUN_RESET con etiqueta 0x0 ref_task_tag 0x0 i_state 34 t_state ISTATE_PROCESSING refcnt 2 transport_state active,stop,fabric_stop esperar tareas: t mf LUN_RESET con etiqueta 0x0 ref_task_tag 0x0 i_state 34 t_state ISTATE_PROCESSING refcnt 2 transport_state active,stop,fabric_stop ... INFORMACI\u00d3N: tarea kworker/0:2:49 bloqueada durante m\u00e1s de 491 segundos. tarea:kworker/0:2 estado:D pila: 0 pid: 49 ppid: 2 banderas:0x00000800 Cola de trabajo: eventos target_tmr_work [target_core_mod] Seguimiento de llamadas: __switch_to+0x2c4/0x470 _schedule+0x314/0x1730 Schedule+0x64/0x130 Schedule_timeout+0x168 /0x430 wait_for_completion+0x140/0x270 target_put_cmd_and_wait+0x64/0xb0 [target_core_mod] core_tmr_lun_reset+0x30/0xa0 [target_core_mod] target_tmr_work+0xc8/0x1b0 [target_core_mod] work_thread+0x78/0x6c0 Para solucionar este problema, solo agregue abort a tmr_list si ser\u00e1 manejado por el n\u00facleo objetivo.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/target/target_core_device.c\",\"drivers/target/target_core_transport.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"2281c95fe751325874d135b237ecdcd3bc34cc26\",\"lessThan\":\"11f3fe5001ed05721e641f0ecaa7a73b7deb245d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2281c95fe751325874d135b237ecdcd3bc34cc26\",\"lessThan\":\"168ed59170de1fd7274080fe102216162d6826cf\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2281c95fe751325874d135b237ecdcd3bc34cc26\",\"lessThan\":\"a9849b67b4402a12eb35eadc9306c1ef9847d53d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2281c95fe751325874d135b237ecdcd3bc34cc26\",\"lessThan\":\"e717bd412001495f17400bfc09f606f1b594ef5a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2281c95fe751325874d135b237ecdcd3bc34cc26\",\"lessThan\":\"36bc5040c863b44af06094b22f1e50059227b9cb\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2281c95fe751325874d135b237ecdcd3bc34cc26\",\"lessThan\":\"bd508f96b5fef96d8a0ce9cbb211d82bcfc2341f\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2281c95fe751325874d135b237ecdcd3bc34cc26\",\"lessThan\":\"83ab68168a3d990d5ff39ab030ad5754cbbccb25\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/target/target_core_device.c\",\"drivers/target/target_core_transport.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"5.1\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"5.1\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.270\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.211\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.150\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.80\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.19\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.7.7\",\"lessThanOrEqual\":\"6.7.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.8\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-05-28T19:57:59.068880Z\",\"id\":\"CVE-2024-26845\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA 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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-08-04T22:50:51+00:00",
      "cve": "CVE-2024-26845",
      "id": "CVE-2024-26845",
      "initial_release_date": "2024-04-17T00:00:00+00:00",
      "product_status:known_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: scsi: target: core: Add TMF to tmr_list handling",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-26845.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-25T01:55:36Z",
      "cve": "CVE-2024-26845",
      "id": "CVE-2024-26845",
      "initial_release_date": "2024-04-19T02:18:40Z",
      "product_status:known_affected": "426",
      "product_status:known_not_affected": "6",
      "product_status:recommended": "740",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-26845",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-26845.json",
      "version": "78"
    },
    "vulnrichment": {
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The same path is exported to other network fabrics (isert/RDMA, cxgbit).\\nAC:L - The attacker fully controls both halves: an ABORT_TASK with a bogus RefTaskTag and out-of-window RefCmdSN parks a stale entry on dev_tmr_list, and an immediate-flagged LUN_RESET (which bypasses CmdSN sequencing) then walks that list. Using an out-of-order CmdSN keeps the stale entry alive indefinitely, so no race window has to be won.\\nPR:N - Only an iSCSI session in full-feature phase is needed, and iSCSI login is unauthenticated in the standard SAN deployment (CHAP disabled, or generate_node_acls=1 demo mode) where the only \\\"credential\\\" is a plaintext IQN string that is discoverable via SendTargets and trivially spoofed.\\nUI:N - The attacker sends two TMF PDUs on their own connection; no action by any administrator, initiator host, or local user is required.\\nS:U - The deadlock is confined to the kernel\u0027s own target-core subsystem and its worker threads, with no crossing into a different security authority such as a hypervisor or IOMMU boundary.\\nC:N - The defect is an unbalanced completion wait on a TMR that never entered target core; no memory is read out of bounds and no kernel data is disclosed to the initiator.\\nI:N - Nothing is written out of bounds and no freed object is reused \\u2014 the reference count is held too long rather than dropped too early, so there is no corruption or control-flow primitive.\\nA:H - The target_tmr_work kworker blocks forever in target_put_cmd_and_wait() and the iSCSI thread loops indefinitely in __transport_wait_for_tasks(), leaving unkillable D-state threads, a permanently pinned lun_ref that prevents LUN/device teardown, and a wedged storage target that only a reboot recovers; the hung-task detector can also panic the box.\"}]}], \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"2281c95fe751325874d135b237ecdcd3bc34cc26\", \"lessThan\": \"11f3fe5001ed05721e641f0ecaa7a73b7deb245d\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2281c95fe751325874d135b237ecdcd3bc34cc26\", \"lessThan\": \"168ed59170de1fd7274080fe102216162d6826cf\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2281c95fe751325874d135b237ecdcd3bc34cc26\", \"lessThan\": \"a9849b67b4402a12eb35eadc9306c1ef9847d53d\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2281c95fe751325874d135b237ecdcd3bc34cc26\", \"lessThan\": \"e717bd412001495f17400bfc09f606f1b594ef5a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2281c95fe751325874d135b237ecdcd3bc34cc26\", \"lessThan\": \"36bc5040c863b44af06094b22f1e50059227b9cb\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2281c95fe751325874d135b237ecdcd3bc34cc26\", \"lessThan\": \"bd508f96b5fef96d8a0ce9cbb211d82bcfc2341f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"2281c95fe751325874d135b237ecdcd3bc34cc26\", \"lessThan\": \"83ab68168a3d990d5ff39ab030ad5754cbbccb25\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/target/target_core_device.c\", \"drivers/target/target_core_transport.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.1\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.1\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.4.270\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.211\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.150\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.80\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.19\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.7.7\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.7.*\"}, {\"status\": \"unaffected\", \"version\": \"6.8\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/target/target_core_device.c\", \"drivers/target/target_core_transport.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/11f3fe5001ed05721e641f0ecaa7a73b7deb245d\"}, {\"url\": \"https://git.kernel.org/stable/c/168ed59170de1fd7274080fe102216162d6826cf\"}, {\"url\": \"https://git.kernel.org/stable/c/a9849b67b4402a12eb35eadc9306c1ef9847d53d\"}, {\"url\": \"https://git.kernel.org/stable/c/e717bd412001495f17400bfc09f606f1b594ef5a\"}, {\"url\": \"https://git.kernel.org/stable/c/36bc5040c863b44af06094b22f1e50059227b9cb\"}, {\"url\": \"https://git.kernel.org/stable/c/bd508f96b5fef96d8a0ce9cbb211d82bcfc2341f\"}, {\"url\": \"https://git.kernel.org/stable/c/83ab68168a3d990d5ff39ab030ad5754cbbccb25\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nscsi: target: core: Add TMF to tmr_list handling\\n\\nAn abort that is responded to by iSCSI itself is added to tmr_list but does\\nnot go to target core. A LUN_RESET that goes through tmr_list takes a\\nrefcounter on the abort and waits for completion. However, the abort will\\nbe never complete because it was not started in target core.\\n\\n Unable to locate ITT: 0x05000000 on CID: 0\\n Unable to locate RefTaskTag: 0x05000000 on CID: 0.\\n wait_for_tasks: Stopping tmf LUN_RESET with tag 0x0 ref_task_tag 0x0 i_state 34 t_state ISTATE_PROCESSING refcnt 2 transport_state active,stop,fabric_stop\\n wait for tasks: tmf LUN_RESET with tag 0x0 ref_task_tag 0x0 i_state 34 t_state ISTATE_PROCESSING refcnt 2 transport_state active,stop,fabric_stop\\n...\\n INFO: task kworker/0:2:49 blocked for more than 491 seconds.\\n task:kworker/0:2     state:D stack:    0 pid:   49 ppid:     2 flags:0x00000800\\n Workqueue: events target_tmr_work [target_core_mod]\\nCall Trace:\\n __switch_to+0x2c4/0x470\\n _schedule+0x314/0x1730\\n schedule+0x64/0x130\\n schedule_timeout+0x168/0x430\\n wait_for_completion+0x140/0x270\\n target_put_cmd_and_wait+0x64/0xb0 [target_core_mod]\\n core_tmr_lun_reset+0x30/0xa0 [target_core_mod]\\n target_tmr_work+0xc8/0x1b0 [target_core_mod]\\n process_one_work+0x2d4/0x5d0\\n worker_thread+0x78/0x6c0\\n\\nTo fix this, only add abort to tmr_list if it will be handled by target\\ncore.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.270\", \"versionStartIncluding\": \"5.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.211\", \"versionStartIncluding\": \"5.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.150\", \"versionStartIncluding\": \"5.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.80\", \"versionStartIncluding\": \"5.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.19\", \"versionStartIncluding\": \"5.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7.7\", \"versionStartIncluding\": \"5.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8\", \"versionStartIncluding\": \"5.1\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-08-05T11:27:45.996Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-26845\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-05T11:27:45.996Z\", \"dateReserved\": \"2024-02-19T14:20:24.182Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-04-17T10:10:09.337Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.