CVE-2026-63961
usb: typec: altmodes/displayport: validate count before reading Status Update VDO
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: usb: typec: altmodes/displayport: validate count before reading Status Update VDO A broken/malicious device can send the incorrect count for a status update VDO, which will cause the kernel to read uninitialized stack data and send it off elsewhere. Fix this up by correctly verifying the count for the update object.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jul 19, 2026 |
| Last Updated | Jul 20, 2026 |
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Affected Versions
Linux / Linux
0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 < 74aabe9ea30fdfba924fce9594e6aa69a596a4bb 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 < dd7118c010f324497c275e8fd7a35c9baaa2a00f 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 < 6ffdbcd7a02f3af8fff9b6519830369f574ed44c 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 < 70e7045849e954e56dcbf441b6330e66bc996306 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 < 64bd6ccc5799f8473d1f37d4d8f53093dfec5c02 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 < b10eff5abe6aa2a5af10ed17bddff76e3b6e6b9b 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 < 77a759ec30bc5fb0dd9c867b711d0acfed6c7faa 0e3bb7d6894d9b6e67d6382bb03a46a1dc989588 < 8a18f896e667df491331371b55d4ad644dc51d60
Linux / Linux
4.19
References
git.kernel.org: https://git.kernel.org/stable/c/74aabe9ea30fdfba924fce9594e6aa69a596a4bb git.kernel.org: https://git.kernel.org/stable/c/dd7118c010f324497c275e8fd7a35c9baaa2a00f git.kernel.org: https://git.kernel.org/stable/c/6ffdbcd7a02f3af8fff9b6519830369f574ed44c git.kernel.org: https://git.kernel.org/stable/c/70e7045849e954e56dcbf441b6330e66bc996306 git.kernel.org: https://git.kernel.org/stable/c/64bd6ccc5799f8473d1f37d4d8f53093dfec5c02 git.kernel.org: https://git.kernel.org/stable/c/b10eff5abe6aa2a5af10ed17bddff76e3b6e6b9b git.kernel.org: https://git.kernel.org/stable/c/77a759ec30bc5fb0dd9c867b711d0acfed6c7faa git.kernel.org: https://git.kernel.org/stable/c/8a18f896e667df491331371b55d4ad644dc51d60