{"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"}}}}