CVE-2025-68324

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-68324", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-16T14:48:05.296Z", "datePublished": "2025-12-18T15:02:49.230Z", "dateUpdated": "2026-10-30T12:23:13.712Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:23:13.712Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: imm: Fix use-after-free bug caused by unfinished delayed work\n\nThe delayed work item 'imm_tq' is initialized in imm_attach() and\nscheduled via imm_queuecommand() for processing SCSI commands. When the\nIMM parallel port SCSI host adapter is detached through imm_detach(),\nthe imm_struct device instance is deallocated.\n\nHowever, the delayed work might still be pending or executing\nwhen imm_detach() is called, leading to use-after-free bugs\nwhen the work function imm_interrupt() accesses the already\nfreed imm_struct memory.\n\nThe race condition can occur as follows:\n\nCPU 0(detach thread) | CPU 1\n | imm_queuecommand()\n | imm_queuecommand_lck()\nimm_detach() | schedule_delayed_work()\n kfree(dev) //FREE | imm_interrupt()\n | dev = container_of(...) //USE\n dev-> //USE\n\nAdd disable_delayed_work_sync() in imm_detach() to guarantee proper\ncancellation of the delayed work item before imm_struct is deallocated."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/scsi/imm.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "cfd561e8df5f46fc1c9d54885165a60e63831c14", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "9a8e53154353580d53f7f86a253927e41294017e", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "31ab2aad7a7b7501e904a09bf361e44671f66092", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "48dd41fa2d6c6a0c50e714deeba06ffe7f91961b", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "9e434426cc23ad5e2aad649327b59aea00294b13", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "ab58153ec64fa3fc9aea09ca09dc9322e0b54a7c", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/scsi/imm.c"], "versions": [{"version": "2.6.12", "status": "affected"}, {"version": "0", "lessThan": "2.6.12", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.63", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17.13", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.2", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19", "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": "2.6.12", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.12.63"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.17.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.18.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.19"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/cfd561e8df5f46fc1c9d54885165a60e63831c14"}, {"url": "https://git.kernel.org/stable/c/9a8e53154353580d53f7f86a253927e41294017e"}, {"url": "https://git.kernel.org/stable/c/31ab2aad7a7b7501e904a09bf361e44671f66092"}, {"url": "https://git.kernel.org/stable/c/48dd41fa2d6c6a0c50e714deeba06ffe7f91961b"}, {"url": "https://git.kernel.org/stable/c/9e434426cc23ad5e2aad649327b59aea00294b13"}, {"url": "https://git.kernel.org/stable/c/ab58153ec64fa3fc9aea09ca09dc9322e0b54a7c"}], "title": "scsi: imm: Fix use-after-free bug caused by unfinished delayed work", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/scsi/imm.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "cfd561e8df5f46fc1c9d54885165a60e63831c14", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}, {"lessThan": "9a8e53154353580d53f7f86a253927e41294017e", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}, {"lessThan": "31ab2aad7a7b7501e904a09bf361e44671f66092", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}, {"lessThan": "48dd41fa2d6c6a0c50e714deeba06ffe7f91961b", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}, {"lessThan": "9e434426cc23ad5e2aad649327b59aea00294b13", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}, {"lessThan": "ab58153ec64fa3fc9aea09ca09dc9322e0b54a7c", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/scsi/imm.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.12"}, {"lessThan": "2.6.12", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.63", "versionType": "semver"}, {"lessThanOrEqual": "6.17.*", "status": "unaffected", "version": "6.17.13", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.2", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.19", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: imm: Fix use-after-free bug caused by unfinished delayed work\n\nThe delayed work item 'imm_tq' is initialized in imm_attach() and\nscheduled via imm_queuecommand() for processing SCSI commands. When the\nIMM parallel port SCSI host adapter is detached through imm_detach(),\nthe imm_struct device instance is deallocated.\n\nHowever, the delayed work might still be pending or executing\nwhen imm_detach() is called, leading to use-after-free bugs\nwhen the work function imm_interrupt() accesses the already\nfreed imm_struct memory.\n\nThe race condition can occur as follows:\n\nCPU 0(detach thread) | CPU 1\n | imm_queuecommand()\n | imm_queuecommand_lck()\nimm_detach() | schedule_delayed_work()\n kfree(dev) //FREE | imm_interrupt()\n | dev = container_of(...) //USE\n dev-> //USE\n\nAdd disable_delayed_work_sync() in imm_detach() to guarantee proper\ncancellation of the delayed work item before imm_struct is deallocated."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nscsi: imm: Correcci\u00f3n de error de uso despu\u00e9s de liberaci\u00f3n causado por trabajo retrasado sin finalizar\n\nEl elemento de trabajo retrasado 'imm_tq' se inicializa en imm_attach() y se programa a trav\u00e9s de imm_queuecommand() para procesar comandos SCSI. Cuando el adaptador de host SCSI de puerto paralelo IMM se desvincula mediante imm_detach(), la instancia del dispositivo imm_struct se desasigna.\n\nSin embargo, el trabajo retrasado podr\u00eda seguir pendiente o ejecut\u00e1ndose cuando se llama a imm_detach(), lo que lleva a errores de uso despu\u00e9s de liberaci\u00f3n cuando la funci\u00f3n de trabajo imm_interrupt() accede a la memoria imm_struct ya liberada.\n\nLa condici\u00f3n de carrera puede ocurrir de la siguiente manera:\n\nCPU 0(detach thread) | CPU 1\n | imm_queuecommand()\n | imm_queuecommand_lck()\nimm_detach() | schedule_delayed_work()\n kfree(dev) //FREE | imm_interrupt()\n | dev = container_of(...) //USE\n dev -> //USE\n\nA\u00f1adir disable_delayed_work_sync() en imm_detach() para garantizar la cancelaci\u00f3n adecuada del elemento de trabajo retrasado antes de que imm_struct sea desasignado."}], "id": "CVE-2025-68324", "lastModified": "2026-10-30T13:18:20.967", "metrics": {}, "published": "2025-12-18T15:16:06.220", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/31ab2aad7a7b7501e904a09bf361e44671f66092"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/48dd41fa2d6c6a0c50e714deeba06ffe7f91961b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9a8e53154353580d53f7f86a253927e41294017e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9e434426cc23ad5e2aad649327b59aea00294b13"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ab58153ec64fa3fc9aea09ca09dc9322e0b54a7c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cfd561e8df5f46fc1c9d54885165a60e63831c14"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: scsi: imm: Fix use-after-free bug caused by unfinished delayed work", "id": "2423597", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2423597"}, "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"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-68324", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-68324\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-68324\nhttps://lore.kernel.org/linux-cve-announce/2025121800-CVE-2025-68324-f8d5@gregkh/T"], "threat_severity": "Low"}

{}