{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-63961", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T07:54:57.023Z", "datePublished": "2026-07-19T14:55:50.993Z", "dateUpdated": "2026-07-20T06:41:41.563Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-20T06:41:41.563Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: altmodes/displayport: validate count before reading Status Update VDO\n\nA broken/malicious device can send the incorrect count for a status\nupdate VDO, which will cause the kernel to read uninitialized stack data\nand send it off elsewhere.\n\nFix this up by correctly verifying the count for the update object."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/typec/altmodes/displayport.c"], "versions": [{"version": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588", "lessThan": "74aabe9ea30fdfba924fce9594e6aa69a596a4bb", "status": "affected", "versionType": "git"}, {"version": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588", "lessThan": "dd7118c010f324497c275e8fd7a35c9baaa2a00f", "status": "affected", "versionType": "git"}, {"version": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588", "lessThan": "6ffdbcd7a02f3af8fff9b6519830369f574ed44c", "status": "affected", "versionType": "git"}, {"version": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588", "lessThan": "70e7045849e954e56dcbf441b6330e66bc996306", "status": "affected", "versionType": "git"}, {"version": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588", "lessThan": "64bd6ccc5799f8473d1f37d4d8f53093dfec5c02", "status": "affected", "versionType": "git"}, {"version": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588", "lessThan": "b10eff5abe6aa2a5af10ed17bddff76e3b6e6b9b", "status": "affected", "versionType": "git"}, {"version": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588", "lessThan": "77a759ec30bc5fb0dd9c867b711d0acfed6c7faa", "status": "affected", "versionType": "git"}, {"version": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588", "lessThan": "8a18f896e667df491331371b55d4ad644dc51d60", "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/usb/typec/altmodes/displayport.c"], "versions": [{"version": "4.19", "status": "affected"}, {"version": "0", "lessThan": "4.19", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.259", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.210", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.176", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.143", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.93", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.35", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.12", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "4.19", "versionEndExcluding": "5.10.259"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "5.15.210"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.1.176"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.6.143"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.12.93"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.18.35"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "7.0.12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/74aabe9ea30fdfba924fce9594e6aa69a596a4bb"}, {"url": "https://git.kernel.org/stable/c/dd7118c010f324497c275e8fd7a35c9baaa2a00f"}, {"url": "https://git.kernel.org/stable/c/6ffdbcd7a02f3af8fff9b6519830369f574ed44c"}, {"url": "https://git.kernel.org/stable/c/70e7045849e954e56dcbf441b6330e66bc996306"}, {"url": "https://git.kernel.org/stable/c/64bd6ccc5799f8473d1f37d4d8f53093dfec5c02"}, {"url": "https://git.kernel.org/stable/c/b10eff5abe6aa2a5af10ed17bddff76e3b6e6b9b"}, {"url": "https://git.kernel.org/stable/c/77a759ec30bc5fb0dd9c867b711d0acfed6c7faa"}, {"url": "https://git.kernel.org/stable/c/8a18f896e667df491331371b55d4ad644dc51d60"}], "title": "usb: typec: altmodes/displayport: validate count before reading Status Update VDO", "x_generator": {"engine": "bippy-1.2.0"}}}}

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