CVE-2026-98605

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98605", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.359Z", "datePublished": "2026-10-18T15:19:18.294Z", "dateUpdated": "2026-10-19T09:22:32.426Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:22:32.426Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/bridge: samsung-dsim: fix TE GPIO lifetime for host attach\n\nWhen the Exynos DSI driver was generalized into samsung-dsim, the TE\nGPIO acquisition was switched from gpiod_get_optional() to\ndevm_gpiod_get_optional() while keeping the matching gpiod_put() calls.\nThat combination is wrong for a managed descriptor.\n\nHowever, dropping the puts and keeping the managed get is also wrong:\nsamsung_dsim_register_te_irq() runs from the DSI host attach callback,\nand host detach/reattach can happen without destroying the device that\nowns the managed action. A second attach would then request the GPIO\nagain without having released it.\n\nSwitch back to a non-managed gpiod_get_optional() and keep the explicit\ngpiod_put() on the request_irq() error path and in\nsamsung_dsim_unregister_te_irq().\n\n[Luca: remove unnecessary comment]"}], "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/samsung-dsim.c"], "versions": [{"version": "e7447128ca4a250374d6721ee98e3e3cf99551a6", "lessThan": "77a43e00c57486a5212ef22d4665cafad62a5d4b", "status": "affected", "versionType": "git"}, {"version": "e7447128ca4a250374d6721ee98e3e3cf99551a6", "lessThan": "5759bbef951c39d264ac0f47daa4137d01403aea", "status": "affected", "versionType": "git"}, {"version": "e7447128ca4a250374d6721ee98e3e3cf99551a6", "lessThan": "ebffd70e4877bb7554974cf975a27872f2bb225f", "status": "affected", "versionType": "git"}, {"version": "e7447128ca4a250374d6721ee98e3e3cf99551a6", "lessThan": "9b796251c3cca45a33a5c859c6818c58aa982277", "status": "affected", "versionType": "git"}, {"version": "e7447128ca4a250374d6721ee98e3e3cf99551a6", "lessThan": "ada667890773e033d2f40dc94176e3beb930b516", "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/samsung-dsim.c"], "versions": [{"version": "6.4", "status": "affected"}, {"version": "0", "lessThan": "6.4", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.158", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.112", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.55", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.9", "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": "6.4", "versionEndExcluding": "6.6.158"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.12.112"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.18.55"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "7.2.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/77a43e00c57486a5212ef22d4665cafad62a5d4b"}, {"url": "https://git.kernel.org/stable/c/5759bbef951c39d264ac0f47daa4137d01403aea"}, {"url": "https://git.kernel.org/stable/c/ebffd70e4877bb7554974cf975a27872f2bb225f"}, {"url": "https://git.kernel.org/stable/c/9b796251c3cca45a33a5c859c6818c58aa982277"}, {"url": "https://git.kernel.org/stable/c/ada667890773e033d2f40dc94176e3beb930b516"}], "title": "drm/bridge: samsung-dsim: fix TE GPIO lifetime for host attach", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/bridge/samsung-dsim.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "77a43e00c57486a5212ef22d4665cafad62a5d4b", "status": "affected", "version": "e7447128ca4a250374d6721ee98e3e3cf99551a6", "versionType": "git"}, {"lessThan": "5759bbef951c39d264ac0f47daa4137d01403aea", "status": "affected", "version": "e7447128ca4a250374d6721ee98e3e3cf99551a6", "versionType": "git"}, {"lessThan": "ebffd70e4877bb7554974cf975a27872f2bb225f", "status": "affected", "version": "e7447128ca4a250374d6721ee98e3e3cf99551a6", "versionType": "git"}, {"lessThan": "9b796251c3cca45a33a5c859c6818c58aa982277", "status": "affected", "version": "e7447128ca4a250374d6721ee98e3e3cf99551a6", "versionType": "git"}, {"lessThan": "ada667890773e033d2f40dc94176e3beb930b516", "status": "affected", "version": "e7447128ca4a250374d6721ee98e3e3cf99551a6", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/bridge/samsung-dsim.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.4"}, {"lessThan": "6.4", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.158", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.112", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.55", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.9", "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/bridge: samsung-dsim: fix TE GPIO lifetime for host attach\n\nWhen the Exynos DSI driver was generalized into samsung-dsim, the TE\nGPIO acquisition was switched from gpiod_get_optional() to\ndevm_gpiod_get_optional() while keeping the matching gpiod_put() calls.\nThat combination is wrong for a managed descriptor.\n\nHowever, dropping the puts and keeping the managed get is also wrong:\nsamsung_dsim_register_te_irq() runs from the DSI host attach callback,\nand host detach/reattach can happen without destroying the device that\nowns the managed action. A second attach would then request the GPIO\nagain without having released it.\n\nSwitch back to a non-managed gpiod_get_optional() and keep the explicit\ngpiod_put() on the request_irq() error path and in\nsamsung_dsim_unregister_te_irq().\n\n[Luca: remove unnecessary comment]"}], "id": "CVE-2026-98605", "lastModified": "2026-10-19T10:19:22.317", "metrics": {}, "published": "2026-10-18T16:17:13.237", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5759bbef951c39d264ac0f47daa4137d01403aea"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/77a43e00c57486a5212ef22d4665cafad62a5d4b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9b796251c3cca45a33a5c859c6818c58aa982277"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ada667890773e033d2f40dc94176e3beb930b516"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ebffd70e4877bb7554974cf975a27872f2bb225f"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: drm/bridge: samsung-dsim: fix TE GPIO lifetime for host attach", "id": "2554950", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2554950"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-1341", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/bridge: samsung-dsim: fix TE GPIO lifetime for host attach\nWhen the Exynos DSI driver was generalized into samsung-dsim, the TE\nGPIO acquisition was switched from gpiod_get_optional() to\ndevm_gpiod_get_optional() while keeping the matching gpiod_put() calls.\nThat combination is wrong for a managed descriptor.\nHowever, dropping the puts and keeping the managed get is also wrong:\nsamsung_dsim_register_te_irq() runs from the DSI host attach callback,\nand host detach/reattach can happen without destroying the device that\nowns the managed action. A second attach would then request the GPIO\nagain without having released it.\nSwitch back to a non-managed gpiod_get_optional() and keep the explicit\ngpiod_put() on the request_irq() error path and in\nsamsung_dsim_unregister_te_irq().\n[Luca: remove unnecessary comment]", "A flaw was found in the Linux kernel's Samsung DSIM display bridge driver. This vulnerability may allow a Denial of Service (DoS) due to improper management of General Purpose Input/Output (GPIO) hardware pins during display connection events. A local attacker triggering display attach and detach cycles could cause the driver to mishandle hardware resources, leading to driver failure or a system crash."], "name": "CVE-2026-98605", "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": "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"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98605\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98605\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98605.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e7447128ca4a250374d6721ee98e3e3cf99551a6,77a43e00c57486a5212ef22d4665cafad62a5d4b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e7447128ca4a250374d6721ee98e3e3cf99551a6,5759bbef951c39d264ac0f47daa4137d01403aea)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e7447128ca4a250374d6721ee98e3e3cf99551a6,ebffd70e4877bb7554974cf975a27872f2bb225f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e7447128ca4a250374d6721ee98e3e3cf99551a6,9b796251c3cca45a33a5c859c6818c58aa982277)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e7447128ca4a250374d6721ee98e3e3cf99551a6,ada667890773e033d2f40dc94176e3beb930b516)"}}], "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": "6.4"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.4)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.158,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.112,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.55,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.9,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc5,*]"}}], "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": "2026-10-19T02:00:10.421565+00:00", "updated": "2026-10-23T07:00:17.049173+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}