xlibre-video-sisusb-bin

maintainer xlibre · 0 votes · scanned 2026-08-03 00:08:14.047287

MEDIUM

Why flagged This PKGBUILD downloads and installs a prebuilt binary X.Org/XLibre video driver from x11libre.net, a non-standard third-party host. The binary is extracted directly into the package directory (usr/ tree), meaning it will install compiled shared libraries and potentially kernel-interfacing code that runs with X server privileges. While x11libre.net appears to be the official host for the XLibre project (a fork of X.Org), it is not an established, widely-trusted distribution channel like upstream vendor releases or major language ecosystem mirrors. There is no GPG signature verification — only a sha256sum — meaning if the host is compromised or the file is substituted, the only protection is the hash. The sha256sum does provide integrity checking against the specific known-good file, which mitigates (but does not eliminate) supply-chain risk. The concern is real but not clearly malicious: a prebuilt binary X driver from a personal/small-project host with no signature verification is a genuine medium-severity supply-chain concern.

Triggered rules

MEDIUM source=() URL on a non-standard host source_untrusted_domain

One or more source=() URLs point to a host outside the trusted allowlist (github.com, gitlab.com, codeberg.org, pypi.org, …).

PKGBUILD:13 source=(https://x11libre.net/repo/arch_based/x86_64/xlibre-video-sisusb-0.9.7.2-1.2-x86_64.pkg.tar.zst)

MEDIUM AI review llm_review

An AI model (anthropic/claude-4.6-sonnet-20260217) reviewed this and agrees it is MEDIUM (confidence 75%): This PKGBUILD downloads and installs a prebuilt binary X.Org/XLibre video driver from x11libre.net, a non-standard third-party host. The binary is extracted directly into the package directory (usr/ tree), meaning it will install compiled shared libraries and potentially kernel-interfacing code that runs with X server privileges. While x11libre.net appears to be the official host for the XLibre project (a fork of X.Org), it is not an established, widely-trusted distribution channel like upstream vendor releases or major language ecosystem mirrors. There is no GPG signature verification — only a sha256sum — meaning if the host is compromised or the file is substituted, the only protection is the hash. The sha256sum does provide integrity checking against the specific known-good file, which mitigates (but does not eliminate) supply-chain risk. The concern is real but not clearly malicious: a prebuilt binary X driver from a personal/small-project host with no signature verification is a genuine medium-severity supply-chain concern.

PKGBUILD

1 offending line(s) highlighted

      1# Maintainer: artist for Xlibre
    
      2
    
      3pkgname=xlibre-video-sisusb-bin
    
      4_pkgname=xlibre-xf86-video-sisusb
    
      5pkgver=0.9.7.2
    
      6pkgrel=1.2
    
      7pkgdesc="XLibre Official Easy Install Drop in Replacement fork of X.Org sisusb video driver (binary release)"
    
      8arch=(x86_64)
    
      9url=https://x11libre.net/repo/arch_based/x86_64
    
      10license=('BSD-3-Clause')
    
      11groups=('xlibre-drivers')
    
      12options=(!strip)
    
      13source=(https://x11libre.net/repo/arch_based/x86_64/xlibre-video-sisusb-0.9.7.2-1.2-x86_64.pkg.tar.zst)
    
      14noextract=("${_pkgname}-${pkgver}-${pkgrel}-x86_64.pkg.tar.zst")
    
      15depends=('mesa' 'libdrm' 'glibc')
    
      16provides=('xf86-video-sisusb' 'xlibre-video-sisusb')
    
      17conflicts=('xf86-video-sisusb' 'xlibre-video-sisusb' 'xorg-server<21.1.1' 'X-ABI-VIDEODRV_VERSION<28' 'X-ABI-VIDEODRV_VERSION>=29')
    
      18
    
      19sha256sums=('1bfc75bb86bd62cf79e69bd05b2536906aa0ce8f15c8997209ce9988202c7815')
    
      20
    
      21package() {
    
      22  tar -xf "${_pkgname}-${pkgver}-${pkgrel}-x86_64.pkg.tar.zst" -C "${pkgdir}" usr
    
      23}
    
      24
    
      25

Scan history

Scanned at (UTC)	Severity	Rules
2026-08-03 00:08:14	MEDIUM	2
2026-08-02 00:16:08	MEDIUM	2
2026-08-01 00:11:18	MEDIUM	2
2026-07-31 00:14:10	MEDIUM	2
2026-07-30 00:17:23	MEDIUM	2
2026-07-29 00:25:53	MEDIUM	2
2026-07-28 00:07:28	MEDIUM	2
2026-07-27 00:24:32	MEDIUM	2
2026-07-26 00:07:32	MEDIUM	2
2026-07-25 00:13:44	MEDIUM	2
2026-07-24 00:02:28	MEDIUM	2
2026-07-23 00:14:47	MEDIUM	2
2026-07-22 00:29:32	MEDIUM	2
2026-07-21 00:24:15	MEDIUM	2
2026-07-20 00:19:49	MEDIUM	2
2026-07-19 00:17:08	MEDIUM	2
2026-07-18 00:14:48	MEDIUM	2
2026-07-17 00:06:16	MEDIUM	2
2026-07-16 00:05:41	MEDIUM	2
2026-07-15 00:09:25	MEDIUM	2