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CVE-2022-50518parisc: Fix locking in pdc_iodc_print() firmware call

Description

In the Linux kernel, the following vulnerability has been resolved: parisc: Fix locking in pdc_iodc_print() firmware call Utilize pdc_lock spinlock to protect parallel modifications of the iodc_dbuf[] buffer, check length to prevent buffer overflow of iodc_dbuf[], drop the iodc_retbuf[] buffer and fix some wrong indentings.

Timeline

  1. ID reserved

    By Linux

  2. Published

  3. · 10 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2022-50518, by who scored it
Scored byCVSSScoreVector
LinuxCNA (assigner)3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Modified3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.14% · top 97% of all CVEs (13 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Affected products

  • Linux · Linux

    • affected ef1afd4d79f0479960ff36bb5fe6ec6eba1ebff2 – < 04a603058e70b8b881bb7860b8bd649f931f2591
    • affected ef1afd4d79f0479960ff36bb5fe6ec6eba1ebff2 – < 553bc5890ed96a8d006224c3a4673c47fee0d12a
    • affected ef1afd4d79f0479960ff36bb5fe6ec6eba1ebff2 – < 7236aae5f81f3efbd93d0601e74fc05994bc2580
    • affected 24319896af06b84f965bcefa0f2d926b726ed05b
    • affected 2.6.24.5 – < 2.6.25

  • Linux · Linux

    • affected 2.6.25
    • unaffected < 2.6.25
    • unaffected 6.0.18 – ≤ 6.0.*
    • unaffected 6.1.4 – ≤ 6.1.*
    • unaffected 6.2 – ≤ *

References

References3

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .