--- id: CVE-2023-53607 title: 'ALSA: ymfpci: Fix BUG_ON in probe function' summary: |- In the Linux kernel, the following vulnerability has been resolved: ALSA: ymfpci: Fix BUG_ON in probe function The snd_dma_buffer.bytes field now contains the aligned size, which this snd_BUG_ON() did not account for, resulting in the … severity: none vendor: Linux product: Linux affected: - >- Linux >= 4faf4bbc2d600a921052ff45b1b5914d583d9046 < 96e34c88000febc83e41aa7db0b0a41676314818 - >- Linux >= 5c1733e33c888a3cb7f576564d8ad543d5ad4a9e < 81d2a7e93c8322ca6b858f6736d7fc3d034e6c23 - >- Linux >= 5c1733e33c888a3cb7f576564d8ad543d5ad4a9e < 32b9bd7cfc2e2d92d595386add4e111b232b351f - >- Linux >= 5c1733e33c888a3cb7f576564d8ad543d5ad4a9e < d0217b09910c081b6471181345ea5b24025edf51 - >- Linux >= 5c1733e33c888a3cb7f576564d8ad543d5ad4a9e < 6be2e7522eb529b41c16d459f33bbdbcddbf5c15 - Linux f52ac912c14c5bf426c0f9e0c6236dbcdf61664e - Linux 19241a56c5d6e74b32b1fbb1bd3ba7edef421f16 - Linux 05243cf88f7fa5e9dd5659399bc9307ff3fb675f - Linux 015af30d373d33548c9afcffbbaaf266459731de - Linux >= 5.10.134 < 5.10.177 - Linux >= 4.9.325 < 4.10 - Linux >= 4.14.290 < 4.15 - Linux >= 4.19.254 < 4.20 - Linux >= 5.4.208 < 5.5 - Linux 5.11 ssvc: exploitation: none automatable: 'no' technicalImpact: partial timestamp: '2026-11-05T20:25:30.968665Z' published: '2025-10-04' updated: '2026-11-05' sourceUpdated: '2026-11-05T20:31:17.295Z' source: CVEORG sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2023-53607' references: - url: 'https://git.kernel.org/stable/c/96e34c88000febc83e41aa7db0b0a41676314818' - url: 'https://git.kernel.org/stable/c/81d2a7e93c8322ca6b858f6736d7fc3d034e6c23' - url: 'https://git.kernel.org/stable/c/32b9bd7cfc2e2d92d595386add4e111b232b351f' - url: 'https://git.kernel.org/stable/c/d0217b09910c081b6471181345ea5b24025edf51' - url: 'https://git.kernel.org/stable/c/6be2e7522eb529b41c16d459f33bbdbcddbf5c15' tags: - cve.org epss: 0.00158 epssPercentile: 0.04938 ingestedAt: '2026-11-05T22:38:31.817Z' --- ## Overview In the Linux kernel, the following vulnerability has been resolved: ALSA: ymfpci: Fix BUG_ON in probe function The snd_dma_buffer.bytes field now contains the aligned size, which this snd_BUG_ON() did not account for, resulting in the following: [ 9.625915] ------------[ cut here ]------------ [ 9.633440] WARNING: CPU: 0 PID: 126 at sound/pci/ymfpci/ymfpci_main.c:2168 snd_ymfpci_create+0x681/0x698 [snd_ymfpci] [ 9.648926] Modules linked in: snd_ymfpci(+) snd_intel_dspcfg kvm(+) snd_intel_sdw_acpi snd_ac97_codec snd_mpu401_uart snd_opl3_lib irqbypass snd_hda_codec gameport snd_rawmidi crct10dif_pclmul crc32_pclmul cfg80211 snd_hda_core polyval_clmulni polyval_generic gf128mul snd_seq_device ghash_clmulni_intel snd_hwdep ac97_bus sha512_ssse3 rfkill snd_pcm aesni_intel tg3 snd_timer crypto_simd snd mxm_wmi libphy cryptd k10temp fam15h_power pcspkr soundcore sp5100_tco wmi acpi_cpufreq mac_hid dm_multipath sg loop fuse dm_mod bpf_preload ip_tables x_tables ext4 crc32c_generic crc16 mbcache jbd2 sr_mod cdrom ata_generic pata_acpi firewire_ohci crc32c_intel firewire_core xhci_pci crc_itu_t pata_via xhci_pci_renesas floppy [ 9.711849] CPU: 0 PID: 126 Comm: kworker/0:2 Not tainted 6.1.21-1-lts #1 08d2e5ece03136efa7c6aeea9a9c40916b1bd8da [ 9.722200] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./990FX Extreme4, BIOS P2.70 06/05/2014 [ 9.732204] Workqueue: events work_for_cpu_fn [ 9.736580] RIP: 0010:snd_ymfpci_create+0x681/0x698 [snd_ymfpci] [ 9.742594] Code: 8c c0 4c 89 e2 48 89 df 48 c7 c6 92 c6 8c c0 e8 15 d0 e9 ff 48 83 c4 08 44 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f e9 d3 7a 33 e3 <0f> 0b e9 cb fd ff ff 41 bd fb ff ff ff eb db 41 bd f4 ff ff ff eb [ 9.761358] RSP: 0018:ffffab64804e7da0 EFLAGS: 00010287 [ 9.766594] RAX: ffff8fa2df06c400 RBX: ffff8fa3073a8000 RCX: ffff8fa303fbc4a8 [ 9.773734] RDX: ffff8fa2df06d000 RSI: 0000000000000010 RDI: 0000000000000020 [ 9.780876] RBP: ffff8fa300b5d0d0 R08: ffff8fa3073a8e50 R09: 00000000df06bf00 [ 9.788018] R10: ffff8fa2df06bf00 R11: 00000000df068200 R12: ffff8fa3073a8918 [ 9.795159] R13: 0000000000000000 R14: 0000000000000080 R15: ffff8fa2df068200 [ 9.802317] FS: 0000000000000000(0000) GS:ffff8fa9fec00000(0000) knlGS:0000000000000000 [ 9.810414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9.816158] CR2: 000055febaf66500 CR3: 0000000101a2e000 CR4: 00000000000406f0 [ 9.823301] Call Trace: [ 9.825747] [ 9.827889] snd_card_ymfpci_probe+0x194/0x950 [snd_ymfpci b78a5fe64b5663a6390a909c67808567e3e73615] [ 9.837030] ? finish_task_switch.isra.0+0x90/0x2d0 [ 9.841918] local_pci_probe+0x45/0x80 [ 9.845680] work_for_cpu_fn+0x1a/0x30 [ 9.849431] process_one_work+0x1c7/0x380 [ 9.853464] worker_thread+0x1af/0x390 [ 9.857225] ? rescuer_thread+0x3b0/0x3b0 [ 9.861254] kthread+0xde/0x110 [ 9.864414] ? kthread_complete_and_exit+0x20/0x20 [ 9.869210] ret_from_fork+0x22/0x30 [ 9.872792] [ 9.874985] ---[ end trace 0000000000000000 ]--- ## Affected - `Linux >= 4faf4bbc2d600a921052ff45b1b5914d583d9046 < 96e34c88000febc83e41aa7db0b0a41676314818` - `Linux >= 5c1733e33c888a3cb7f576564d8ad543d5ad4a9e < 81d2a7e93c8322ca6b858f6736d7fc3d034e6c23` - `Linux >= 5c1733e33c888a3cb7f576564d8ad543d5ad4a9e < 32b9bd7cfc2e2d92d595386add4e111b232b351f` - `Linux >= 5c1733e33c888a3cb7f576564d8ad543d5ad4a9e < d0217b09910c081b6471181345ea5b24025edf51` - `Linux >= 5c1733e33c888a3cb7f576564d8ad543d5ad4a9e < 6be2e7522eb529b41c16d459f33bbdbcddbf5c15` - `Linux f52ac912c14c5bf426c0f9e0c6236dbcdf61664e` - `Linux 19241a56c5d6e74b32b1fbb1bd3ba7edef421f16` - `Linux 05243cf88f7fa5e9dd5659399bc9307ff3fb675f` - `Linux 015af30d373d33548c9afcffbbaaf266459731de` - `Linux >= 5.10.134 < 5.10.177` - `Linux >= 4.9.325 < 4.10` - `Linux >= 4.14.290 < 4.15` - `Linux >= 4.19.254 < 4.20` - `Linux >= 5.4.208 < 5.5` - `Linux 5.11` ## Remediation Refer to the linked advisories for vendor-supplied fixes and affected version ranges.