CVE-2026-63957
highIn the Linux kernel, the following vulnerability has been resolved: USB: serial: safe_serial: fix memory corruption with small endpoint Make sure that the bu…
Vendor / product: Linux — linux kernel
In the Linux kernel, the following vulnerability has been resolved: USB: serial: safe_serial: fix memory corruption with small endpoint Make sure that the bulk-out buffer size is at least eight bytes to avoid user-controlled slab corruption in "safe" mode should a malicious device report a smaller size.
CVSS
7.8
7.8 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-07-19 16:17
Modified: 2026-10-30 14:32
NVD status: Analyzed
Last synced 1 day ago
Verified against the source API 2026-10-30 14:40 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 ≥2.6.12.1 <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/161ea0e5236f5f051d2d85d6c54dd08ee9dc7ba4
Patch / mitigation: https://git.kernel.org/stable/c/438061ed1ad85e6743e2dce826671772d81089ec
Patch / mitigation: https://git.kernel.org/stable/c/857b3cc73f91871ae4433f8b97c4670b78f8dc96
Patch / mitigation: https://git.kernel.org/stable/c/9b3145b3001fb24de1da72d1deb0bea70e5a078b
Patch / mitigation: https://git.kernel.org/stable/c/a550ed2117ca4709d38f713933ff924a83942e41
Patch / mitigation: https://git.kernel.org/stable/c/c7336c0fba5c959249f3d793d33076b992ec3ee4
Patch / mitigation: https://git.kernel.org/stable/c/e3a1d6eee25dc96b1d2db0ecd9d8741e92056476
Patch / mitigation: https://git.kernel.org/stable/c/f793b67d41e5fab719c5a90baa77cbd2fe259517
References
- https://git.kernel.org/stable/c/161ea0e5236f5f051d2d85d6c54dd08ee9dc7ba4 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/438061ed1ad85e6743e2dce826671772d81089ec 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/857b3cc73f91871ae4433f8b97c4670b78f8dc96 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/9b3145b3001fb24de1da72d1deb0bea70e5a078b 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/a550ed2117ca4709d38f713933ff924a83942e41 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/c7336c0fba5c959249f3d793d33076b992ec3ee4 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/e3a1d6eee25dc96b1d2db0ecd9d8741e92056476 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/f793b67d41e5fab719c5a90baa77cbd2fe259517 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Data sources
NVD CVE API 2.0 — fetched 2026-10-30 14:40 UTC · record ↗