🛡️ CVE-2023-33951 on Ubuntu — linux-allwinner-5.19

Distribution advisory

This page covers CVE-2023-33951 as tracked by Ubuntu, for the package linux-allwinner-5.19. The fix is available in version 5.19.0-1012.12~22.04.1; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs administrative privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity none, availability low.

CVSS metrics in full

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

• 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: High — administrative rights are needed first.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Changed — a successful attack reaches components beyond the vulnerable one.
• Confidentiality impact: High — total loss, or loss the attacker controls.
• Integrity impact: None.
• Availability impact: Low — limited, and the attacker does not choose what is affected.

Weakness class

UBUNTU-CVE-2023-33951 is classified as CWE-413: Improper Resource Locking. The product does not lock or does not correctly lock a resource when the product must have exclusive access to the resource.

Affected software

UBUNTU-CVE-2023-33951 is recorded against 51 packages.

• linux-allwinner-5.19 (fixed in 5.19.0-1012.12~22.04.1)
• linux-aws-5.0
• linux-aws-5.11
• linux-aws-5.13
• linux-aws-5.19 (fixed in 5.19.0-1025.26~22.04.1)
• linux-aws-5.3
• linux-aws-5.8
• linux-azure
• linux-azure-5.11
• linux-azure-5.13
• linux-azure-5.19
• linux-azure-5.3
• linux-azure-5.8
• linux-azure-edge
• linux-azure-fde-5.19
• linux-gcp
• linux-gcp-5.11
• linux-gcp-5.13
• linux-gcp-5.19 (fixed in 5.19.0-1024.26~22.04.1)
• linux-gcp-5.3
• linux-gcp-5.8
• linux-gke-4.15
• linux-gke-5.4
• linux-gkeop-5.4

Timeline and source

Published on 24 July 2023 and last revised on 24 October 2025. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

ubuntu.com (Report)
www.zerodayinitiative.com (Report)
git.kernel.org (Report)
www.cve.org (Report)

Other advisories for this package

linux-allwinner-5.19 has other advisories on record. If you are patching this one, these are worth checking on the same host:

• UBUNTU-CVE-2022-4994 (published 30 Jul 2026)
• UBUNTU-CVE-2023-20585 (published 16 Apr 2026)
• UBUNTU-CVE-2022-50786 (published 30 Dec 2025)
• UBUNTU-CVE-2022-50841 (published 30 Dec 2025)
• UBUNTU-CVE-2022-50873 (published 30 Dec 2025)
• UBUNTU-CVE-2022-50827 (published 30 Dec 2025)
• UBUNTU-CVE-2022-50860 (published 30 Dec 2025)
• UBUNTU-CVE-2022-50814 (published 30 Dec 2025)

Same weakness in other software

These advisories are the same class of weakness (CWE-413: Improper Resource Locking) in other software:

• CVE-2026-44608 (5.9 Medium, published 20 May 2026)
• CVE-2026-32748 (7.5 High, published 26 Mar 2026)
• CVE-2025-0003 (7.3 High, published 24 Nov 2025)
• CVE-2025-3450 (10.0 Critical, published 7 Oct 2025)
• CVE-2023-32253 (5.9 Medium, published 2 Aug 2025)
• CVE-2022-49737 (7.7 High, published 16 Mar 2025)
• CVE-2023-33951 (6.7 Medium, published 24 Jul 2023)
• CVE-2023-2430 (5.5 Medium, published 23 Jul 2023)

CVE-2023-33951 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Affected Packages

References