CVE-2026-90363

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90363", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.807Z", "datePublished": "2026-09-17T16:09:06.817Z", "dateUpdated": "2026-10-21T12:51:17.907Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:51:17.907Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm: don't tear down KMS twice when KMS init fails\n\nWhen priv->kms_init() (mdp4_kms_init() / mdp5_kms_init()) fails partway\nthrough, both display drivers already tear their KMS state down via\nmdp4_destroy() / mdp5_kms_destroy() before returning the error. The\ncommon error path in msm_drm_init() then runs msm_drm_uninit() ->\nmsm_drm_kms_uninit(), which tries to destroy the very same KMS a second\ntime, which causes a use-after-free crash.\n\nBring MDP4/MDP5 in line with the DPU driver whose dpu_kms_init() doesn't\nperform error cleanup on the failure. Let the common path own the\ncleanup, instead of freeing the KMS from their error paths.\n\nThe crash trace for the reference:\n\n __lock_acquire from lock_acquire (kernel/locking/lockdep.c:5906 kernel/locking/lockdep.c:5863)\n lock_acquire from touch_wq_lockdep_map (kernel/workqueue.c:4094 (discriminator 1))\n touch_wq_lockdep_map from __flush_workqueue (kernel/workqueue.c:4136)\n __flush_workqueue from msm_drm_kms_uninit (drivers/gpu/drm/msm/msm_kms.c:243 (discriminator 33))\n msm_drm_kms_uninit from msm_drm_uninit (drivers/gpu/drm/msm/msm_drv.c:93)\n msm_drm_uninit from msm_drm_init (drivers/gpu/drm/msm/msm_drv.c:184)\n msm_drm_init from try_to_bring_up_aggregate_device (drivers/base/component.c:249 drivers/base/component.c:227)\n try_to_bring_up_aggregate_device from __component_add (drivers/base/component.c:269 drivers/base/component.c:748)\n __component_add from dsi_host_attach (drivers/gpu/drm/msm/dsi/dsi_host.c:1739)\n dsi_host_attach from mipi_dsi_attach (drivers/gpu/drm/drm_mipi_dsi.c:383)\n mipi_dsi_attach from sharp_nt_panel_probe (drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c:247)\n\nPatchwork: https://patchwork.freedesktop.org/patch/742068/"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c", "drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c"], "versions": [{"version": "506efcba31296e9cbc4f8f148eec1e4b29039931", "lessThan": "54437ace956dc7b758c0219d6f76654b3ead8d69", "status": "affected", "versionType": "git"}, {"version": "506efcba31296e9cbc4f8f148eec1e4b29039931", "lessThan": "08827aa40f0ee9d37dcff8d6acb340b970051486", "status": "affected", "versionType": "git"}, {"version": "506efcba31296e9cbc4f8f148eec1e4b29039931", "lessThan": "e2a99fa93b400dfbb9598103249f71969501094a", "status": "affected", "versionType": "git"}, {"version": "506efcba31296e9cbc4f8f148eec1e4b29039931", "lessThan": "93c125e4ea98fb25f927ba5a334d85845127d667", "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/gpu/drm/msm/disp/mdp4/mdp4_kms.c", "drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c"], "versions": [{"version": "6.7", "status": "affected"}, {"version": "0", "lessThan": "6.7", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.114", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.52", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "6.7", "versionEndExcluding": "6.12.114"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.18.52"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/54437ace956dc7b758c0219d6f76654b3ead8d69"}, {"url": "https://git.kernel.org/stable/c/08827aa40f0ee9d37dcff8d6acb340b970051486"}, {"url": "https://git.kernel.org/stable/c/e2a99fa93b400dfbb9598103249f71969501094a"}, {"url": "https://git.kernel.org/stable/c/93c125e4ea98fb25f927ba5a334d85845127d667"}], "title": "drm/msm: don't tear down KMS twice when KMS init fails", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c", "drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "54437ace956dc7b758c0219d6f76654b3ead8d69", "status": "affected", "version": "506efcba31296e9cbc4f8f148eec1e4b29039931", "versionType": "git"}, {"lessThan": "08827aa40f0ee9d37dcff8d6acb340b970051486", "status": "affected", "version": "506efcba31296e9cbc4f8f148eec1e4b29039931", "versionType": "git"}, {"lessThan": "e2a99fa93b400dfbb9598103249f71969501094a", "status": "affected", "version": "506efcba31296e9cbc4f8f148eec1e4b29039931", "versionType": "git"}, {"lessThan": "93c125e4ea98fb25f927ba5a334d85845127d667", "status": "affected", "version": "506efcba31296e9cbc4f8f148eec1e4b29039931", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c", "drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.7"}, {"lessThan": "6.7", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.114", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.52", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "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\ndrm/msm: don't tear down KMS twice when KMS init fails\n\nWhen priv->kms_init() (mdp4_kms_init() / mdp5_kms_init()) fails partway\nthrough, both display drivers already tear their KMS state down via\nmdp4_destroy() / mdp5_kms_destroy() before returning the error. The\ncommon error path in msm_drm_init() then runs msm_drm_uninit() ->\nmsm_drm_kms_uninit(), which tries to destroy the very same KMS a second\ntime, which causes a use-after-free crash.\n\nBring MDP4/MDP5 in line with the DPU driver whose dpu_kms_init() doesn't\nperform error cleanup on the failure. Let the common path own the\ncleanup, instead of freeing the KMS from their error paths.\n\nThe crash trace for the reference:\n\n __lock_acquire from lock_acquire (kernel/locking/lockdep.c:5906 kernel/locking/lockdep.c:5863)\n lock_acquire from touch_wq_lockdep_map (kernel/workqueue.c:4094 (discriminator 1))\n touch_wq_lockdep_map from __flush_workqueue (kernel/workqueue.c:4136)\n __flush_workqueue from msm_drm_kms_uninit (drivers/gpu/drm/msm/msm_kms.c:243 (discriminator 33))\n msm_drm_kms_uninit from msm_drm_uninit (drivers/gpu/drm/msm/msm_drv.c:93)\n msm_drm_uninit from msm_drm_init (drivers/gpu/drm/msm/msm_drv.c:184)\n msm_drm_init from try_to_bring_up_aggregate_device (drivers/base/component.c:249 drivers/base/component.c:227)\n try_to_bring_up_aggregate_device from __component_add (drivers/base/component.c:269 drivers/base/component.c:748)\n __component_add from dsi_host_attach (drivers/gpu/drm/msm/dsi/dsi_host.c:1739)\n dsi_host_attach from mipi_dsi_attach (drivers/gpu/drm/drm_mipi_dsi.c:383)\n mipi_dsi_attach from sharp_nt_panel_probe (drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c:247)\n\nPatchwork: https://patchwork.freedesktop.org/patch/742068/"}], "id": "CVE-2026-90363", "lastModified": "2026-10-21T13:20:52.447", "metrics": {}, "published": "2026-09-17T17:17:35.353", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/08827aa40f0ee9d37dcff8d6acb340b970051486"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/54437ace956dc7b758c0219d6f76654b3ead8d69"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/93c125e4ea98fb25f927ba5a334d85845127d667"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e2a99fa93b400dfbb9598103249f71969501094a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[506efcba31296e9cbc4f8f148eec1e4b29039931,08827aa40f0ee9d37dcff8d6acb340b970051486)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[506efcba31296e9cbc4f8f148eec1e4b29039931,e2a99fa93b400dfbb9598103249f71969501094a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[506efcba31296e9cbc4f8f148eec1e4b29039931,93c125e4ea98fb25f927ba5a334d85845127d667)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.7"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.7)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-19T06:30:16.667759+00:00", "updated": "2026-09-19T15:00:12.180199+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-416"]}