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extractor/os/rpm: trim AlmaLinux ecosystem suffix to major version#2198

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histrio:fix-almalinux-major-version-suffix
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extractor/os/rpm: trim AlmaLinux ecosystem suffix to major version#2198
histrio wants to merge 1 commit into
google:mainfrom
histrio:fix-almalinux-major-version-suffix

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@histrio

@histrio histrio commented Jun 9, 2026

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PR #2148 mapped ID=almalinux to EcosystemAlmaLinux using the full os-release VERSION_ID as the suffix. On a real host VERSION_ID is a point release (e.g. "9.8"), producing the ecosystem "AlmaLinux:9.8".

OSV.dev keys AlmaLinux (ALSA) advisories by major version only ("AlmaLinux:9"), so the point-release suffix matches zero advisories.

Empirical check against the OSV.dev API for an AlmaLinux 9.8 host with 416 installed packages:
AlmaLinux:9 -> 38 packages with vulns, 532 vuln refs
AlmaLinux:9.8 -> 0 packages, 0 vulns
e.g. NetworkManager 1.54.3-2.el9: AlmaLinux:9 => 3 vulns, 9.8 => 0.

Trim VERSION_ID to the part before the first "." so "9.8" -> "9". A bare major such as "9" is returned unchanged by strings.Cut.

PR google#2148 mapped ID=almalinux to EcosystemAlmaLinux using the full
os-release VERSION_ID as the suffix. On a real host VERSION_ID is a
point release (e.g. "9.8"), producing the ecosystem "AlmaLinux:9.8".

OSV.dev keys AlmaLinux (ALSA) advisories by major version only
("AlmaLinux:9"), so the point-release suffix matches zero advisories.

Empirical check against the OSV.dev API for an AlmaLinux 9.8 host with
416 installed packages:
  AlmaLinux:9    -> 38 packages with vulns, 532 vuln refs
  AlmaLinux:9.8  -> 0 packages, 0 vulns
e.g. NetworkManager 1.54.3-2.el9: AlmaLinux:9 => 3 vulns, 9.8 => 0.

Trim VERSION_ID to the part before the first "." so "9.8" -> "9". A
bare major such as "9" is returned unchanged by strings.Cut.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@histrio histrio closed this Jun 9, 2026
@google-cla

google-cla Bot commented Jun 9, 2026

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Thanks for your pull request! It looks like this may be your first contribution to a Google open source project. Before we can look at your pull request, you'll need to sign a Contributor License Agreement (CLA).

View this failed invocation of the CLA check for more information.

For the most up to date status, view the checks section at the bottom of the pull request.

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