🛡️ AZL-8921 — kernel
Description
CVE-2021-3743 affecting package kernel for versions less than 5.15.26.1-2
An out-of-bounds (OOB) memory read flaw was found in the Qualcomm IPC router protocol in the Linux kernel. A missing sanity check allows a local attacker to gain access to out-of-bounds memory, leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability.
How this vulnerability can be exploited
This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability high.
Affected software
AZL-8921 is recorded against 1 package.
- kernel (fixed in 5.15.26.1-2)
Timeline and source
Published on 4 March 2022 and last revised on 21 April 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
Details
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| kernel | — | 5.15.26.1-2 |
References
Similar Threats
- Unknown ALBA-2026:39332
- Unknown ALSA-2023:1703
- Unknown ALSA-2023:1566
- Unknown ALSA-2023:1470
- Unknown ALSA-2023:0951
More AZL 8 advisories
Browse all of AZL 8 in the advisory index.
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