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CVE-2026-97418— ALSA: es18xx: check control allocation before private data setup

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Linux 内核中，已修复以下漏洞： ALSA: es18xx：在设置私有数据之前检查控制器的分配情况 snd_es18xx_mixer() 函数使用 snd_ctl_new1() 创建控制对象，随后在调用 snd_ctl_add() 之前，会存储管理指针或设置 private_free 字段。然而，snd_ctl_new1() 在分配失败时会返回 NULL，这可能导致对空控制指针的解引用错误。 该漏洞通过在使用返回的控制指针之前对其进行非空检查来解决；若分配失败，则返回 -ENOMEM 错误码。

AI Predicted 4.3 Difficulty: Easy EPSS 0.17% · P6

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< e6c84fe4cf6f98f7b1ad446a42cfcb46bae83f66 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 908323ed61d5e7ad74889524d327cfb6a65ec8df affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 3d8adddf4e4a5a43847ee62e5e78ba05e756bdef affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 91c97a7969dae976de954453ab6e925e6522fecb affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 978079238f40f1a08ddb12ce208c484246f6a1b0 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< d88c24b76f285df9d206751e22c28e2613258cb3 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 422e42b7c2b882ba1d16d4afc8891bcea7c4de93 affected
2.6.12 affected
… +8 more rows
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I. Basic Information for CVE-2026-97418

Vulnerability Information
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Vulnerability Title
ALSA: es18xx: check control allocation before private data setup
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: es18xx: check control allocation before private data setup snd_es18xx_mixer() creates controls with snd_ctl_new1() and then stores bookkeeping pointers or sets private_free before calling snd_ctl_add(). snd_ctl_new1() can return NULL on allocation failure, so those writes can dereference a NULL control pointer. Check the returned control pointers before using them and return -ENOMEM on allocation failure.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ~ e6c84fe4cf6f98f7b1ad446a42cfcb46bae83f66 -
Linux Linux 2.6.12 -

II. Public POCs for CVE-2026-97418

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III. Intelligence Information for CVE-2026-97418

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Patches & Fixes for CVE-2026-97418 (7)

Same Patch Batch · Linux · 2026-09-24 · 234 CVEs total

CVE-2026-93207 9.8 CRITICAL SUNRPC: Zero rpc_gss_wire_cred at svcauth_gss_decode_credbody() entry
CVE-2026-97413 9.8 CRITICAL RDMA/rtrs-srv: Fix integer underflow in process_read and process_write
CVE-2026-93228 9.1 CRITICAL svcrdma: Reject Write/Reply chunks with segcount 0
CVE-2026-93799 8.8 HIGH wifi: iwlwifi: mvm: validate sta_id in BA window status notif
CVE-2026-97442 8.8 HIGH wifi: ath11k: fix invalid data access in ath11k_dp_rx_h_undecap_nwifi
CVE-2026-97409 8.8 HIGH nvme-fc: Do not cancel requests in io target before it is initialized
CVE-2026-93806 8.8 HIGH wifi: cfg80211: validate assoc response length before status and IE access
CVE-2026-93793 8.8 HIGH wifi: iwlwifi: mvm: validate TX_CMD response layout
CVE-2026-93790 8.8 HIGH wifi: iwlwifi: mvm: fix out-of-bounds tid_data access in BA notif
CVE-2026-93284 8.8 HIGH drm/pagemap: dma-unmap pages before handling migration errors
CVE-2026-93280 8.8 HIGH greybus: audio: bound the topology section sizes against the fetched size
CVE-2026-97509 8.8 HIGH thunderbolt: Keep XDomain reference during the lifetime of a service
CVE-2026-93827 8.4 HIGH virtio-fs: avoid double-free on failed queue setup
CVE-2026-97450 8.4 HIGH ACPICA: validate handler object type in two places
CVE-2026-97452 8.4 HIGH ACPICA: Prevent adding invalid references
CVE-2026-97451 8.4 HIGH ACPICA: Fix integer overflow in acpi_ex_opcode_3A_1T_1R() (mid_op)
CVE-2026-97455 8.4 HIGH ACPICA: Fix use-after-free in acpi_ds_terminate_control_method()
CVE-2026-97433 8.2 HIGH nvme: validate FDP configuration descriptor sizes
CVE-2026-93787 8.1 HIGH smb: client: bound dirent name against end of SMB response in cifs_filldir
CVE-2026-93786 8.1 HIGH ksmbd: preserve VFS inherited POSIX ACL mask

Showing top 20 of 234 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-97418

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