{"schema_version":"1.9.0","id":"CVE-2026-63961","published":"2026-07-19T14:55:50.993Z","modified":"2026-08-31T18:26:09.129234899Z","related":["SUSE-SU-2026:23066-1","SUSE-SU-2026:23068-1","SUSE-SU-2026:23193-1","SUSE-SU-2026:23194-1","SUSE-SU-2026:23221-1","SUSE-SU-2026:23231-1","SUSE-SU-2026:23237-1","SUSE-SU-2026:23241-1","SUSE-SU-2026:23244-1","SUSE-SU-2026:3790-1","SUSE-SU-2026:3810-1","openSUSE-SU-2026:21555-1"],"summary":"usb: typec: altmodes/displayport: validate count before reading Status Update VDO","details":"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":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0e3bb7d6894d9b6e67d6382bb03a46a1dc989588"},{"fixed":"74aabe9ea30fdfba924fce9594e6aa69a596a4bb"},{"fixed":"dd7118c010f324497c275e8fd7a35c9baaa2a00f"},{"fixed":"6ffdbcd7a02f3af8fff9b6519830369f574ed44c"},{"fixed":"70e7045849e954e56dcbf441b6330e66bc996306"},{"fixed":"64bd6ccc5799f8473d1f37d4d8f53093dfec5c02"},{"fixed":"b10eff5abe6aa2a5af10ed17bddff76e3b6e6b9b"},{"fixed":"77a759ec30bc5fb0dd9c867b711d0acfed6c7faa"},{"fixed":"8a18f896e667df491331371b55d4ad644dc51d60"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63961.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.19.0"},{"fixed":"5.10.259"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.210"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.176"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.143"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.93"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.35"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.12"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63961.json"}}],"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/64bd6ccc5799f8473d1f37d4d8f53093dfec5c02"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6ffdbcd7a02f3af8fff9b6519830369f574ed44c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/70e7045849e954e56dcbf441b6330e66bc996306"},{"type":"WEB","url":"https://git.kernel.org/stable/c/74aabe9ea30fdfba924fce9594e6aa69a596a4bb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/77a759ec30bc5fb0dd9c867b711d0acfed6c7faa"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8a18f896e667df491331371b55d4ad644dc51d60"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b10eff5abe6aa2a5af10ed17bddff76e3b6e6b9b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dd7118c010f324497c275e8fd7a35c9baaa2a00f"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63961.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63961"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63961.json"}}