{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2024-26607", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.130Z", "datePublished": "2024-02-29T11:47:26.439Z", "dateUpdated": "2026-05-11T20:00:42.403Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:00:42.403Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/bridge: sii902x: Fix probing race issue\n\nA null pointer dereference crash has been observed rarely on TI\nplatforms using sii9022 bridge:\n\n[ 53.271356] sii902x_get_edid+0x34/0x70 [sii902x]\n[ 53.276066] sii902x_bridge_get_edid+0x14/0x20 [sii902x]\n[ 53.281381] drm_bridge_get_edid+0x20/0x34 [drm]\n[ 53.286305] drm_bridge_connector_get_modes+0x8c/0xcc [drm_kms_helper]\n[ 53.292955] drm_helper_probe_single_connector_modes+0x190/0x538 [drm_kms_helper]\n[ 53.300510] drm_client_modeset_probe+0x1f0/0xbd4 [drm]\n[ 53.305958] __drm_fb_helper_initial_config_and_unlock+0x50/0x510 [drm_kms_helper]\n[ 53.313611] drm_fb_helper_initial_config+0x48/0x58 [drm_kms_helper]\n[ 53.320039] drm_fbdev_dma_client_hotplug+0x84/0xd4 [drm_dma_helper]\n[ 53.326401] drm_client_register+0x5c/0xa0 [drm]\n[ 53.331216] drm_fbdev_dma_setup+0xc8/0x13c [drm_dma_helper]\n[ 53.336881] tidss_probe+0x128/0x264 [tidss]\n[ 53.341174] platform_probe+0x68/0xc4\n[ 53.344841] really_probe+0x188/0x3c4\n[ 53.348501] __driver_probe_device+0x7c/0x16c\n[ 53.352854] driver_probe_device+0x3c/0x10c\n[ 53.357033] __device_attach_driver+0xbc/0x158\n[ 53.361472] bus_for_each_drv+0x88/0xe8\n[ 53.365303] __device_attach+0xa0/0x1b4\n[ 53.369135] device_initial_probe+0x14/0x20\n[ 53.373314] bus_probe_device+0xb0/0xb4\n[ 53.377145] deferred_probe_work_func+0xcc/0x124\n[ 53.381757] process_one_work+0x1f0/0x518\n[ 53.385770] worker_thread+0x1e8/0x3dc\n[ 53.389519] kthread+0x11c/0x120\n[ 53.392750] ret_from_fork+0x10/0x20\n\nThe issue here is as follows:\n\n- tidss probes, but is deferred as sii902x is still missing.\n- sii902x starts probing and enters sii902x_init().\n- sii902x calls drm_bridge_add(). Now the sii902x bridge is ready from\n DRM's perspective.\n- sii902x calls sii902x_audio_codec_init() and\n platform_device_register_data()\n- The registration of the audio platform device causes probing of the\n deferred devices.\n- tidss probes, which eventually causes sii902x_bridge_get_edid() to be\n called.\n- sii902x_bridge_get_edid() tries to use the i2c to read the edid.\n However, the sii902x driver has not set up the i2c part yet, leading\n to the crash.\n\nFix this by moving the drm_bridge_add() to the end of the\nsii902x_init(), which is also at the very end of sii902x_probe()." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/gpu/drm/bridge/sii902x.c" ], "versions": [ { "version": "21d808405fe49028036932dd969920f4fee4f481", "lessThan": "e0f83c234ea7a3dec1f84e5d02caa1c51664a076", "status": "affected", "versionType": "git" }, { "version": "21d808405fe49028036932dd969920f4fee4f481", "lessThan": "56f96cf6eb11a1c2d594367c3becbfb06a855ec1", "status": "affected", "versionType": "git" }, { "version": "21d808405fe49028036932dd969920f4fee4f481", "lessThan": "2a4c6af7934a7b4c304542c38fee35e09cc1770c", "status": "affected", "versionType": "git" }, { "version": "21d808405fe49028036932dd969920f4fee4f481", "lessThan": "08ac6f132dd77e40f786d8af51140c96c6d739c9", "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/bridge/sii902x.c" ], "versions": [ { "version": "5.0", "status": "affected" }, { "version": "0", "lessThan": "5.0", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.76", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.15", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.7.3", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.8", "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": "5.0", "versionEndExcluding": "6.1.76" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "6.6.15" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "6.7.3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "6.8" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/e0f83c234ea7a3dec1f84e5d02caa1c51664a076" }, { "url": "https://git.kernel.org/stable/c/56f96cf6eb11a1c2d594367c3becbfb06a855ec1" }, { "url": "https://git.kernel.org/stable/c/2a4c6af7934a7b4c304542c38fee35e09cc1770c" }, { "url": "https://git.kernel.org/stable/c/08ac6f132dd77e40f786d8af51140c96c6d739c9" } ], "title": "drm/bridge: sii902x: Fix probing race issue", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2024-06-21T16:25:38.354180Z", "id": "CVE-2024-26607", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-21T16:25:48.643Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:07:19.794Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/e0f83c234ea7a3dec1f84e5d02caa1c51664a076", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/56f96cf6eb11a1c2d594367c3becbfb06a855ec1", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/2a4c6af7934a7b4c304542c38fee35e09cc1770c", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/08ac6f132dd77e40f786d8af51140c96c6d739c9", "tags": [ "x_transferred" ] } ] } ] } }