CVE-2026-63964
mediumIn the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: ccg: reject firmware images without a ':' record header do_flash() loca…
Vendor / product: Linux — linux kernel
In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: ccg: reject firmware images without a ':' record header do_flash() locates the first .cyacd record with p = strnchr(fw->data, fw->size, ':'); while (p
CVSS
5.5
5.5 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-07-19 16:17
Modified: 2026-10-30 17:29
NVD status: Analyzed
Last synced 3 days ago
Verified against the source API 2026-10-30 17:47 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
linux / linux_kernel ≥5.2 <5.10.259, ≥5.11 <5.15.210, ≥5.16 <6.1.176, ≥6.2 <6.6.143, ≥6.7 <6.12.93, ≥6.13 <6.18.35
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Patch / mitigation: https://git.kernel.org/stable/c/2f395ca1263bd181995eb829f5943a83a20db213
Patch / mitigation: https://git.kernel.org/stable/c/3f432b8203066c26770fe6ea591361f10021dd6b
Patch / mitigation: https://git.kernel.org/stable/c/6526f8684f72391138353642af908803ba70795e
Patch / mitigation: https://git.kernel.org/stable/c/a38ed87818b2419090fb1a6338ddce6842b65dfa
Patch / mitigation: https://git.kernel.org/stable/c/b41dfc033fe594e152648050e95b9489cd53e9e3
Patch / mitigation: https://git.kernel.org/stable/c/c4ee519b06389e59ba2d6aa722fcc4a02a8bbcbb
Patch / mitigation: https://git.kernel.org/stable/c/c8460de584fe5415d212cfdd127d4db90835a450
Patch / mitigation: https://git.kernel.org/stable/c/d7486952bf74e546ee3748fb14b2d07881fa6273
References
- https://git.kernel.org/stable/c/2f395ca1263bd181995eb829f5943a83a20db213 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/3f432b8203066c26770fe6ea591361f10021dd6b 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/6526f8684f72391138353642af908803ba70795e 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/a38ed87818b2419090fb1a6338ddce6842b65dfa 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/b41dfc033fe594e152648050e95b9489cd53e9e3 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/c4ee519b06389e59ba2d6aa722fcc4a02a8bbcbb 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/c8460de584fe5415d212cfdd127d4db90835a450 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/d7486952bf74e546ee3748fb14b2d07881fa6273 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Data sources
NVD CVE API 2.0 — fetched 2026-10-30 17:47 UTC · record ↗