CVE-2025-38676
iommu/amd: Avoid stack buffer overflow from kernel cmdline
HIGH 7.8EPSS 0.4%
In the Linux kernel, the following vulnerability has been resolved:iommu/amd: Avoid stack buffer overflow from kernel cmdlineWhile the kernel command line is considered trusted in most environments,avoid writing 1 byte past the end of "acpiid" if the "str" argument ismaximum length.
- Affected
- Linux
- CVSS v3.1 NVD
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS
- 0.40% chance of exploitation in the next 30 days, 33rd percentile
- Published
- 2025-08-26
- Updated
- 2026-05-23
Proof-of-concept exploits (1)
- 14mb1v45h/CVE-2025-386761★ · 2025-08-27
Security advisories
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
- https://git.kernel.org/stable/c/0ad8509b468fa1058f4f400a1829f29e4ccc4de8
- https://git.kernel.org/stable/c/4bdb0f78bddbfa77d3ab458a21dd9cec495d317a
- https://git.kernel.org/stable/c/736db11c86f03e717fc4bf771d05efdf10d23acb
- https://git.kernel.org/stable/c/8503d0fcb1086a7cfe26df67ca4bd9bd9e99bdec
- https://git.kernel.org/stable/c/8f80c633cba144f721d38d9380f23d23ab7db10e
- https://git.kernel.org/stable/c/9ff52d3af0ef286535749e14e3fe9eceb39a8349
- https://git.kernel.org/stable/c/a732502bf3bbe859613b6d7b2b0313b11f0474ac