{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80950", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.804Z", "datePublished": "2026-09-11T19:42:20.360Z", "dateUpdated": "2026-09-11T19:42:20.360Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-09-11T19:42:20.360Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni3c: renesas: Check that the transfer is valid before accessing it\n\nThe Renesas I3C driver uses an asynchronous model to transfer data. It\nprepares a struct renesas_i3c_xfer, enqueues it, and waits for completion.\nThe interrupt handler dequeues the transfer, updates/uses it, and signals\nthe waiting thread.\n\nIf the completion times out, the waiting thread dequeues the transfer and\nfree it. If an interrupt fires after that, the handler may access freed\nmemory, leading to crashes.\n\nCheck that the transfer is still valid before accessing it in the\ninterrupt handler. With it clear any status flags and disable all\nthe interrupts to avoid triggering the same interrupts again."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/i3c/master/renesas-i3c.c"], "versions": [{"version": "d028219a9f1485914492bf373406f6a0e665ace2", "lessThan": "0093f9fc102ba8b98561fdd2f8559553ef56be59", "status": "affected", "versionType": "git"}, {"version": "d028219a9f1485914492bf373406f6a0e665ace2", "lessThan": "ec631aff93261c6d031f953549802322032f2aba", "status": "affected", "versionType": "git"}, {"version": "d028219a9f1485914492bf373406f6a0e665ace2", "lessThan": "5f1a76ecfe90544a28d657306c9b3caa66ba0e63", "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/i3c/master/renesas-i3c.c"], "versions": [{"version": "6.17", "status": "affected"}, {"version": "0", "lessThan": "6.17", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.50", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.4", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3-rc1", "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": "6.17", "versionEndExcluding": "6.18.50"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "7.2.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "7.3-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0093f9fc102ba8b98561fdd2f8559553ef56be59"}, {"url": "https://git.kernel.org/stable/c/ec631aff93261c6d031f953549802322032f2aba"}, {"url": "https://git.kernel.org/stable/c/5f1a76ecfe90544a28d657306c9b3caa66ba0e63"}], "title": "i3c: renesas: Check that the transfer is valid before accessing it", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/i3c/master/renesas-i3c.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "0093f9fc102ba8b98561fdd2f8559553ef56be59", "status": "affected", "version": "d028219a9f1485914492bf373406f6a0e665ace2", "versionType": "git"}, {"lessThan": "ec631aff93261c6d031f953549802322032f2aba", "status": "affected", "version": "d028219a9f1485914492bf373406f6a0e665ace2", "versionType": "git"}, {"lessThan": "5f1a76ecfe90544a28d657306c9b3caa66ba0e63", "status": "affected", "version": "d028219a9f1485914492bf373406f6a0e665ace2", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/i3c/master/renesas-i3c.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.17"}, {"lessThan": "6.17", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.50", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3-rc1", "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\ni3c: renesas: Check that the transfer is valid before accessing it\n\nThe Renesas I3C driver uses an asynchronous model to transfer data. It\nprepares a struct renesas_i3c_xfer, enqueues it, and waits for completion.\nThe interrupt handler dequeues the transfer, updates/uses it, and signals\nthe waiting thread.\n\nIf the completion times out, the waiting thread dequeues the transfer and\nfree it. If an interrupt fires after that, the handler may access freed\nmemory, leading to crashes.\n\nCheck that the transfer is still valid before accessing it in the\ninterrupt handler. With it clear any status flags and disable all\nthe interrupts to avoid triggering the same interrupts again."}], "id": "CVE-2026-80950", "lastModified": "2026-09-11T20:19:00.683", "metrics": {}, "published": "2026-09-11T20:19:00.683", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0093f9fc102ba8b98561fdd2f8559553ef56be59"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5f1a76ecfe90544a28d657306c9b3caa66ba0e63"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ec631aff93261c6d031f953549802322032f2aba"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux kernel: Renesas I3C driver use-after-free leads to system crash", "id": "2532234", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532234"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-825", "details": ["A flaw was found in the Linux kernel's Renesas I3C driver. This driver uses an asynchronous model for data transfers. When a transfer times out, the associated memory is freed. However, if an interrupt occurs after the memory is freed but before the interrupt handler is aware, it can attempt to access the freed memory, leading to a use-after-free vulnerability. This can result in a system crash, causing a Denial of Service (DoS)."], "name": "CVE-2026-80950", "public_date": "2026-09-11T19:42:20Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80950\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80950\nhttps://git.kernel.org/stable/c/0093f9fc102ba8b98561fdd2f8559553ef56be59\nhttps://git.kernel.org/stable/c/5f1a76ecfe90544a28d657306c9b3caa66ba0e63\nhttps://git.kernel.org/stable/c/ec631aff93261c6d031f953549802322032f2aba"], "threat_severity": "Moderate"}

{}