CVE-2024-27401
firewire: nosy: ensure user_length is taken into account when fetching packet contents
HIGH 7.1EPSS 0.3%
In the Linux kernel, the following vulnerability has been resolved:firewire: nosy: ensure user_length is taken into account when fetching packet contentsEnsure that packet_buffer_get respects the user_length provided. Ifthe length of the head packet exceeds the user_length, packet_buffer_getwill now return 0 to signify to the user that no data were readand a larger buffer size is required. Helps prevent user space overflows.
- Affected
- Linux
- CVSS v3.1 NVD
- 7.1 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H - CVSS v3.1 CNA
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS
- 0.30% chance of exploitation in the next 30 days, 21st percentile
- Published
- 2024-05-13
- Updated
- 2026-08-05
Proof-of-concept exploits (1)
- ethan42/linux-ieee13941★ · 2024-05-29
Security advisories
- https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/me…
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/me…
- https://git.kernel.org/stable/c/1fe60ee709436550f8cfbab01295936b868d5baa
- https://git.kernel.org/stable/c/38762a0763c10c24a4915feee722d7aa6e73eb98
- https://git.kernel.org/stable/c/4ee0941da10e8fdcdb34756b877efd3282594c1f
- https://git.kernel.org/stable/c/539d51ac48bcfcfa1b3d4a85f8df92fa22c1d41c
- https://git.kernel.org/stable/c/67f34f093c0f7bf33f5b4ae64d3d695a3b978285
- https://git.kernel.org/stable/c/79f988d3ffc1aa778fc5181bdfab312e57956c6b
- https://git.kernel.org/stable/c/7b8c7bd2296e95b38a6ff346242356a2e7190239
- https://git.kernel.org/stable/c/cca330c59c54207567a648357835f59df9a286bb