Answer in brief
CVE-2023-53648 records a Medium severity (CVSS 5.5) vulnerability in ALSA: ac97: Fix possible NULL dereference in snd_ac97_mixer. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=da3cec35dd3c31d8706db4bf379372ce70d92118 <809af7bb4219bdeef0dbb8b2ed700d6516d13fe9 || >=da3cec35dd3c31d8706db4bf379372ce70d92118 <e4cccff1e7ab6ea30995b6fbbb007d02647e025c || >=da3cec35dd3c31d8706db4bf379372ce70d92118 <5f13d67027fa782096e6aee0db5dce61c4aeb613 || >=da3cec35dd3c31d8706db4bf379372ce70d92118 <f923a582217b198b557756809ffe42ac0fad6adb || >=da3cec35dd3c31d8706db4bf379372ce70d92118 <300e26e3e64880de5013eac8831cf44387ef752c || >=da3cec35dd3c31d8706db4bf379372ce70d92118 <d28b83252e150155b8b8c65b612c555e93c8b45f || >=da3cec35dd3c31d8706db4bf379372ce70d92118 <09baf460dfba79ee6a0c72e68ccdbbba84d894df || >=da3cec35dd3c31d8706db4bf379372ce70d92118 <228da1fa124470606ac19783e551f9d51a1e01b0 || >=da3cec35dd3c31d8706db4bf379372ce70d92118 <79597c8bf64ca99eab385115743131d260339da5 | 809af7bb4219bdeef0dbb8b2ed700d6516d13fe9, e4cccff1e7ab6ea30995b6fbbb007d02647e025c, 5f13d67027fa782096e6aee0db5dce61c4aeb613, f923a582217b198b557756809ffe42ac0fad6adb, 300e26e3e64880de5013eac8831cf44387ef752c, d28b83252e150155b8b8c65b612c555e93c8b45f, 09baf460dfba79ee6a0c72e68ccdbbba84d894df, 228da1fa124470606ac19783e551f9d51a1e01b0, 79597c8bf64ca99eab385115743131d260339da5 |
| Linux/Linuxgeneric | 2.6.28 | Not reported |
Published upstream
Oct 7, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Nov 5, 2026
In the Linux kernel, the following vulnerability has been resolved: ALSA: ac97: Fix possible NULL dereference in snd_ac97_mixer smatch error: sound/pci/ac97/ac97_codec.c:2354 snd_ac97_mixer() error: we previously assumed 'rac97' could be null (see line 2072) remove redundant assignment, return error if rac97 is NULL.
Quoted source text, attributed separately from HOL analysis.