166 lines
8.8 KiB
JSON
166 lines
8.8 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-90363",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-09-11T19:38:34.807Z",
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"datePublished": "2026-09-17T16:09:06.817Z",
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"dateUpdated": "2026-10-21T12:51:17.907Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-10-21T12:51:17.907Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"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/"
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c",
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"drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c"
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],
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"versions": [
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{
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"version": "506efcba31296e9cbc4f8f148eec1e4b29039931",
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"lessThan": "54437ace956dc7b758c0219d6f76654b3ead8d69",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "506efcba31296e9cbc4f8f148eec1e4b29039931",
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"lessThan": "08827aa40f0ee9d37dcff8d6acb340b970051486",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "506efcba31296e9cbc4f8f148eec1e4b29039931",
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"lessThan": "e2a99fa93b400dfbb9598103249f71969501094a",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "506efcba31296e9cbc4f8f148eec1e4b29039931",
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"lessThan": "93c125e4ea98fb25f927ba5a334d85845127d667",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c",
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"drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c"
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],
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"versions": [
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{
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"version": "6.7",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "6.7",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.114",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.18.52",
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"lessThanOrEqual": "6.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.2.6",
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"lessThanOrEqual": "7.2.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.3",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.7",
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"versionEndExcluding": "6.12.114"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.7",
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"versionEndExcluding": "6.18.52"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.7",
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"versionEndExcluding": "7.2.6"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.7",
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"versionEndExcluding": "7.3"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/54437ace956dc7b758c0219d6f76654b3ead8d69"
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},
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{
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"url": "https://git.kernel.org/stable/c/08827aa40f0ee9d37dcff8d6acb340b970051486"
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},
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{
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"url": "https://git.kernel.org/stable/c/e2a99fa93b400dfbb9598103249f71969501094a"
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},
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{
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"url": "https://git.kernel.org/stable/c/93c125e4ea98fb25f927ba5a334d85845127d667"
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}
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],
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"title": "drm/msm: don't tear down KMS twice when KMS init fails",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |