{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-50426", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-17T14:53:07.004Z", "datePublished": "2025-10-01T11:42:05.613Z", "dateUpdated": "2025-10-01T11:42:05.613Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-10-01T11:42:05.613Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nremoteproc: imx_dsp_rproc: Add mutex protection for workqueue\n\nThe workqueue may execute late even after remoteproc is stopped or\nstopping, some resources (rpmsg device and endpoint) have been\nreleased in rproc_stop_subdevices(), then rproc_vq_interrupt()\naccessing these resources will cause kennel dump.\n\nCall trace:\n virtqueue_add_split+0x1ac/0x560\n virtqueue_add_inbuf+0x4c/0x60\n rpmsg_recv_done+0x15c/0x294\n vring_interrupt+0x6c/0xa4\n rproc_vq_interrupt+0x30/0x50\n imx_dsp_rproc_vq_work+0x24/0x40 [imx_dsp_rproc]\n process_one_work+0x1d0/0x354\n worker_thread+0x13c/0x470\n kthread+0x154/0x160\n ret_from_fork+0x10/0x20\n\nAdd mutex protection in imx_dsp_rproc_vq_work(), if the state is\nnot running, then just skip calling rproc_vq_interrupt().\n\nAlso the flush workqueue operation can't be added in rproc stop\nfor the same reason. The call sequence is\n\nrproc_shutdown\n-> rproc_stop\n ->rproc_stop_subdevices\n ->rproc->ops->stop()\n ->imx_dsp_rproc_stop\n ->flush_work\n -> rproc_vq_interrupt\n\nThe resource needed by rproc_vq_interrupt has been released in\nrproc_stop_subdevices, so flush_work is not safe to be called in\nimx_dsp_rproc_stop."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/remoteproc/imx_dsp_rproc.c"], "versions": [{"version": "ec0e5549f3586d2cb99a05edd006d722ebad912c", "lessThan": "4a3e1fa7a77838617bdbcd95127ce93a959fad44", "status": "affected", "versionType": "git"}, {"version": "ec0e5549f3586d2cb99a05edd006d722ebad912c", "lessThan": "b9693304b7133b81741add5bfb56f022596df012", "status": "affected", "versionType": "git"}, {"version": "ec0e5549f3586d2cb99a05edd006d722ebad912c", "lessThan": "47e6ab07018edebf94ce873cf50a05ec76ff2dde", "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/remoteproc/imx_dsp_rproc.c"], "versions": [{"version": "5.16", "status": "affected"}, {"version": "0", "lessThan": "5.16", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.18", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.4", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2", "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": "5.16", "versionEndExcluding": "6.0.18"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.1.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/4a3e1fa7a77838617bdbcd95127ce93a959fad44"}, {"url": "https://git.kernel.org/stable/c/b9693304b7133b81741add5bfb56f022596df012"}, {"url": "https://git.kernel.org/stable/c/47e6ab07018edebf94ce873cf50a05ec76ff2dde"}], "title": "remoteproc: imx_dsp_rproc: Add mutex protection for workqueue", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nremoteproc: imx_dsp_rproc: Add mutex protection for workqueue\n\nThe workqueue may execute late even after remoteproc is stopped or\nstopping, some resources (rpmsg device and endpoint) have been\nreleased in rproc_stop_subdevices(), then rproc_vq_interrupt()\naccessing these resources will cause kennel dump.\n\nCall trace:\n virtqueue_add_split+0x1ac/0x560\n virtqueue_add_inbuf+0x4c/0x60\n rpmsg_recv_done+0x15c/0x294\n vring_interrupt+0x6c/0xa4\n rproc_vq_interrupt+0x30/0x50\n imx_dsp_rproc_vq_work+0x24/0x40 [imx_dsp_rproc]\n process_one_work+0x1d0/0x354\n worker_thread+0x13c/0x470\n kthread+0x154/0x160\n ret_from_fork+0x10/0x20\n\nAdd mutex protection in imx_dsp_rproc_vq_work(), if the state is\nnot running, then just skip calling rproc_vq_interrupt().\n\nAlso the flush workqueue operation can't be added in rproc stop\nfor the same reason. The call sequence is\n\nrproc_shutdown\n-> rproc_stop\n ->rproc_stop_subdevices\n ->rproc->ops->stop()\n ->imx_dsp_rproc_stop\n ->flush_work\n -> rproc_vq_interrupt\n\nThe resource needed by rproc_vq_interrupt has been released in\nrproc_stop_subdevices, so flush_work is not safe to be called in\nimx_dsp_rproc_stop."}], "id": "CVE-2022-50426", "lastModified": "2025-10-02T19:12:17.160", "metrics": {}, "published": "2025-10-01T12:15:34.120", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/47e6ab07018edebf94ce873cf50a05ec76ff2dde"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4a3e1fa7a77838617bdbcd95127ce93a959fad44"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b9693304b7133b81741add5bfb56f022596df012"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: remoteproc: imx_dsp_rproc: Add mutex protection for workqueue", "id": "2400750", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2400750"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2022-50426", "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": "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": "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:rhivos:1", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat In-Vehicle Operating System 1"}], "public_date": "2025-10-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50426\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50426\nhttps://lore.kernel.org/linux-cve-announce/2025100156-CVE-2022-50426-a61b@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-10-02T08:39:49.810802+00:00", "updated": "2025-10-02T08:39:49.810857+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}