🛡️ CVE-2022-47990 — aix

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

• Attack vector: Local — a local account, shell or session on the host is needed.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: None — an unauthenticated stranger can try it.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: None.
• Integrity impact: None.
• Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2022-47990 is classified as CWE-120: Classic Buffer Overflow. Input is copied into a fixed-size buffer without a length check, overwriting memory past the end of it.

Affected software

CVE-2022-47990 is recorded against 2 packages.

• aix
• vios

Timeline and source

Published on 18 January 2023 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

exchange.xforce.ibmcloud.com
www.ibm.com
exchange.xforce.ibmcloud.com
www.ibm.com

Other advisories for this package

aix has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2026-6732 (6.5 Medium, published 23 Apr 2026)
• CVE-2026-0989 (3.7 Low, published 15 Jan 2026)
• CVE-2026-0992 (2.9 Low, published 15 Jan 2026)
• CVE-2026-0990 (5.9 Medium, published 15 Jan 2026)
• CVE-2025-36236 (8.2 High, published 13 Nov 2025)
• CVE-2025-36096 (9.0 Critical, published 13 Nov 2025)
• CVE-2025-36251 (9.6 Critical, published 13 Nov 2025)
• CVE-2025-36250 (10.0 Critical, published 13 Nov 2025)

Same weakness in other software

These advisories are the same class of weakness (CWE-120: Classic Buffer Overflow) in other software:

• CVE-2019-5064 (8.0 High, published 9 Jul 2026)
• CVE-2022-29210 (5.0 Medium, published 6 Jul 2026)
• CVE-2021-41499 (8.0 High, published 2 Jul 2026)
• CVE-2022-29974 (4.3 Medium, published 9 Dec 2024)
• CVE-2022-20846 (4.3 Medium, published 15 Nov 2024)
• CVE-2022-32504 (9.8 Critical, published 14 May 2024)
• CVE-2022-24807 (6.5 Medium, published 16 Apr 2024)
• CVE-2022-24805 (6.5 Medium, published 16 Apr 2024)

Details

Affected Packages

References