Le mer. 28 janv. 2026 à 07:03, Het Patel via lists.openembedded.org <hetpat= [email protected]> a écrit :
> Gentle reminder. > Hello, Your patch was not forgotten: It is in master-next: https://git.openembedded.org/openembedded-core/log/?h=master-next That means that it has passed testing and now needs to be reviewed by the review team. Please note that there are higher priority subjects right now, as stated in the weekly report: https://wiki.yoctoproject.org/wiki/Weekly_Status. You can ping again if your patch has not been reviewed or merged in two weeks. Regards, > ------------------------------ > *From:* [email protected] < > [email protected]> on behalf of Het Patel via > lists.openembedded.org <[email protected]> > *Sent:* Thursday, January 22, 2026 8:29 PM > *To:* [email protected] < > [email protected]> > *Cc:* xe-linux-external(mailer list) <[email protected]> > *Subject:* [OE-core] [PATCH v3] cve-update-nvd2-native: Use maximum CVSS > score from all sources > > From: Het Patel <[email protected]> > > The CVE check system was incorrectly reporting lower CVSS scores when > multiple scoring sources were available in the NVD database. This > occurred because the code only extracted the first element from the > metrics arrays, which could be a "Secondary" source with a lower score > rather than the "Primary" source or the highest available vendor score. > > According to the CVSS v4.0 User Guide, "In situations where multiple > CVSS-B scores are applicable but only one is provided, the highest > CVSS-B score must be utilized." This follows the "reasonable worst-case" > principle established by the CVSS SIG. > > This fix iterates through all available sources (v2, v3.0, v3.1, and > v4.0) and selects the maximum CVSS score to ensure the highest severity > is reported. > > Fixes [YOCTO #15931] > > References: > - https://www.first.org/cvss/v4.0/user-guide > - https://www.first.org/cvss/v3.1/user-guide > - https://www.first.org/cvss/v2/minutes/cvss-meeting-minutes-06202006.pdf > > Signed-off-by: Het Patel <[email protected]> > --- > .../meta/cve-update-nvd2-native.bb | 55 +++++++++++++------ > 1 file changed, 39 insertions(+), 16 deletions(-) > > diff --git a/meta/recipes-core/meta/cve-update-nvd2-native.bb > b/meta/recipes-core/meta/cve-update-nvd2-native.bb > index 8c8148dd92..41c34ba0d0 100644 > --- a/meta/recipes-core/meta/cve-update-nvd2-native.bb > +++ b/meta/recipes-core/meta/cve-update-nvd2-native.bb > @@ -350,32 +350,55 @@ def update_db(conn, elt): > if desc['lang'] == 'en': > cveDesc = desc['value'] > date = elt['cve']['lastModified'] > + > + # Extract maximum CVSS scores from all sources (Primary and Secondary) > + cvssv2 = 0.0 > try: > - accessVector = > elt['cve']['metrics']['cvssMetricV2'][0]['cvssData']['accessVector'] > - vectorString = > elt['cve']['metrics']['cvssMetricV2'][0]['cvssData']['vectorString'] > - cvssv2 = > elt['cve']['metrics']['cvssMetricV2'][0]['cvssData']['baseScore'] > + # Iterate through all cvssMetricV2 entries and find the maximum > score > + for metric in elt['cve']['metrics']['cvssMetricV2']: > + score = metric['cvssData']['baseScore'] > + if score > cvssv2: > + cvssv2 = score > + accessVector = metric['cvssData']['accessVector'] > + vectorString = metric['cvssData']['vectorString'] > except KeyError: > - cvssv2 = 0.0 > - cvssv3 = None > + pass > + > + cvssv3 = 0.0 > try: > - accessVector = accessVector or > elt['cve']['metrics']['cvssMetricV30'][0]['cvssData']['attackVector'] > - vectorString = vectorString or > elt['cve']['metrics']['cvssMetricV30'][0]['cvssData']['vectorString'] > - cvssv3 = > elt['cve']['metrics']['cvssMetricV30'][0]['cvssData']['baseScore'] > + # Iterate through all cvssMetricV30 entries and find the maximum > score > + for metric in elt['cve']['metrics']['cvssMetricV30']: > + score = metric['cvssData']['baseScore'] > + if score > cvssv3: > + cvssv3 = score > + accessVector = accessVector or > metric['cvssData']['attackVector'] > + vectorString = vectorString or > metric['cvssData']['vectorString'] > except KeyError: > pass > + > try: > - accessVector = accessVector or > elt['cve']['metrics']['cvssMetricV31'][0]['cvssData']['attackVector'] > - vectorString = vectorString or > elt['cve']['metrics']['cvssMetricV31'][0]['cvssData']['vectorString'] > - cvssv3 = cvssv3 or > elt['cve']['metrics']['cvssMetricV31'][0]['cvssData']['baseScore'] > + # Iterate through all cvssMetricV31 entries and find the maximum > score > + for metric in elt['cve']['metrics']['cvssMetricV31']: > + score = metric['cvssData']['baseScore'] > + if score > cvssv3: > + cvssv3 = score > + accessVector = accessVector or > metric['cvssData']['attackVector'] > + vectorString = vectorString or > metric['cvssData']['vectorString'] > except KeyError: > pass > - cvssv3 = cvssv3 or 0.0 > + > + cvssv4 = 0.0 > try: > - accessVector = accessVector or > elt['cve']['metrics']['cvssMetricV40'][0]['cvssData']['attackVector'] > - vectorString = vectorString or > elt['cve']['metrics']['cvssMetricV40'][0]['cvssData']['vectorString'] > - cvssv4 = > elt['cve']['metrics']['cvssMetricV40'][0]['cvssData']['baseScore'] > + # Iterate through all cvssMetricV40 entries and find the maximum > score > + for metric in elt['cve']['metrics']['cvssMetricV40']: > + score = metric['cvssData']['baseScore'] > + if score > cvssv4: > + cvssv4 = score > + accessVector = accessVector or > metric['cvssData']['attackVector'] > + vectorString = vectorString or > metric['cvssData']['vectorString'] > except KeyError: > - cvssv4 = 0.0 > + pass > + > accessVector = accessVector or "UNKNOWN" > vectorString = vectorString or "UNKNOWN" > > > > > -- Yoann Congal Smile ECS
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