CVE-2023-53648
ALSA: ac97: Fix possible NULL dereference in snd_ac97_mixer
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Oct 7, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
da3cec35dd3c31d8706db4bf379372ce70d92118 < 809af7bb4219bdeef0dbb8b2ed700d6516d13fe9 da3cec35dd3c31d8706db4bf379372ce70d92118 < e4cccff1e7ab6ea30995b6fbbb007d02647e025c da3cec35dd3c31d8706db4bf379372ce70d92118 < 5f13d67027fa782096e6aee0db5dce61c4aeb613 da3cec35dd3c31d8706db4bf379372ce70d92118 < f923a582217b198b557756809ffe42ac0fad6adb da3cec35dd3c31d8706db4bf379372ce70d92118 < 300e26e3e64880de5013eac8831cf44387ef752c da3cec35dd3c31d8706db4bf379372ce70d92118 < d28b83252e150155b8b8c65b612c555e93c8b45f da3cec35dd3c31d8706db4bf379372ce70d92118 < 09baf460dfba79ee6a0c72e68ccdbbba84d894df da3cec35dd3c31d8706db4bf379372ce70d92118 < 228da1fa124470606ac19783e551f9d51a1e01b0 da3cec35dd3c31d8706db4bf379372ce70d92118 < 79597c8bf64ca99eab385115743131d260339da5
Linux / Linux
2.6.28
References
git.kernel.org: https://git.kernel.org/stable/c/809af7bb4219bdeef0dbb8b2ed700d6516d13fe9 git.kernel.org: https://git.kernel.org/stable/c/e4cccff1e7ab6ea30995b6fbbb007d02647e025c git.kernel.org: https://git.kernel.org/stable/c/5f13d67027fa782096e6aee0db5dce61c4aeb613 git.kernel.org: https://git.kernel.org/stable/c/f923a582217b198b557756809ffe42ac0fad6adb git.kernel.org: https://git.kernel.org/stable/c/300e26e3e64880de5013eac8831cf44387ef752c git.kernel.org: https://git.kernel.org/stable/c/d28b83252e150155b8b8c65b612c555e93c8b45f git.kernel.org: https://git.kernel.org/stable/c/09baf460dfba79ee6a0c72e68ccdbbba84d894df git.kernel.org: https://git.kernel.org/stable/c/228da1fa124470606ac19783e551f9d51a1e01b0 git.kernel.org: https://git.kernel.org/stable/c/79597c8bf64ca99eab385115743131d260339da5