CVE-2026-23089

{"id": "CVE-2026-23089", "cveTags": [], "metrics": {}, "published": "2026-02-04T17:16:19.780", "references": [{"url": "https://git.kernel.org/stable/c/51b1aa6fe7dc87356ba58df06afb9677c9b841ea", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/56fb6efd5d04caf6f14994d51ec85393b9a896c6", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/7009daeefa945973a530b2f605fe445fc03747af", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/7bff0156d13f0ad9436e5178b979b063d59f572a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/930e69757b74c3ae083b0c3c7419bfe7f0edc7b2", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/dc1a5dd80af1ee1f29d8375b12dd7625f6294dad", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e6f103a22b08daf5df2f4aa158081840e5910963", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Awaiting Analysis", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Fix use-after-free in snd_usb_mixer_free()\n\nWhen snd_usb_create_mixer() fails, snd_usb_mixer_free() frees\nmixer->id_elems but the controls already added to the card still\nreference the freed memory. Later when snd_card_register() runs,\nthe OSS mixer layer calls their callbacks and hits a use-after-free read.\n\nCall trace:\n get_ctl_value+0x63f/0x820 sound/usb/mixer.c:411\n get_min_max_with_quirks.isra.0+0x240/0x1f40 sound/usb/mixer.c:1241\n mixer_ctl_feature_info+0x26b/0x490 sound/usb/mixer.c:1381\n snd_mixer_oss_build_test+0x174/0x3a0 sound/core/oss/mixer_oss.c:887\n ...\n snd_card_register+0x4ed/0x6d0 sound/core/init.c:923\n usb_audio_probe+0x5ef/0x2a90 sound/usb/card.c:1025\n\nFix by calling snd_ctl_remove() for all mixer controls before freeing\nid_elems. We save the next pointer first because snd_ctl_remove()\nfrees the current element."}], "lastModified": "2026-02-06T17:16:24.447", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}