CVE-2024-56532— ALSA: us122l: Use snd_card_free_when_closed() at disconnection
Affected Version Matrix 20
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 030a07e441296c372f946cd4065b5d831d8dc40c< 020cbc4d7414f0962004213e2b7bc5cc607e9ec7 | affected |
030a07e441296c372f946cd4065b5d831d8dc40c< 75f418b249d84021865eaa59515d3ed9b75ce4d6 | affected | ||
030a07e441296c372f946cd4065b5d831d8dc40c< bf0aa35a7cb8602cccf2387712114e836f65c154 | affected | ||
030a07e441296c372f946cd4065b5d831d8dc40c< 9a48bd2184b142c92a4e17eac074c61fcf975bc9 | affected | ||
030a07e441296c372f946cd4065b5d831d8dc40c< bc778ad3e495333eebda36fe91d5b2c93109cc16 | affected | ||
030a07e441296c372f946cd4065b5d831d8dc40c< 2938dd2648522336133c151dd67bb9bf01cbd390 | affected | ||
030a07e441296c372f946cd4065b5d831d8dc40c< 9b27924dc8d7f8a8c35e521287d4ccb9a006e597 | affected | ||
030a07e441296c372f946cd4065b5d831d8dc40c< 9d5c530e4d70f64b1114f2cc29ac690ba7ac4a38 | affected | ||
| … +12 more rows | |||
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I. Basic Information for CVE-2024-56532
Vulnerability Information
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Vulnerability Title
ALSA: us122l: Use snd_card_free_when_closed() at disconnection
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: us122l: Use snd_card_free_when_closed() at disconnection The USB disconnect callback is supposed to be short and not too-long waiting. OTOH, the current code uses snd_card_free() at disconnection, but this waits for the close of all used fds, hence it can take long. It eventually blocks the upper layer USB ioctls, which may trigger a soft lockup. An easy workaround is to replace snd_card_free() with snd_card_free_when_closed(). This variant returns immediately while the release of resources is done asynchronously by the card device release at the last close. The loop of us122l->mmap_count check is dropped as well. The check is useless for the asynchronous operation with *_when_closed().
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于ALSA:us122l模块中USB断开回调中不当使用snd_card_free，可能导致软锁。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2024-56532
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2024-56532 (9)
Same Patch Batch · Linux · 2024-12-27 · 221 CVEs total
| CVE-2024-56607 | wifi: ath12k: fix atomic calls in ath12k_mac_op_set_bitrate_mask() | |
| CVE-2024-56594 | drm/amdgpu: set the right AMDGPU sg segment limitation | |
| CVE-2024-56595 | jfs: add a check to prevent array-index-out-of-bounds in dbAdjTree | |
| CVE-2024-56596 | jfs: fix array-index-out-of-bounds in jfs_readdir | |
| CVE-2024-56597 | jfs: fix shift-out-of-bounds in dbSplit | |
| CVE-2024-56598 | jfs: array-index-out-of-bounds fix in dtReadFirst | |
| CVE-2024-56599 | wifi: ath10k: avoid NULL pointer error during sdio remove | |
| CVE-2024-56601 | net: inet: do not leave a dangling sk pointer in inet_create() | |
| CVE-2024-56600 | net: inet6: do not leave a dangling sk pointer in inet6_create() | |
| CVE-2024-56602 | net: ieee802154: do not leave a dangling sk pointer in ieee802154_create() | |
| CVE-2024-56603 | net: af_can: do not leave a dangling sk pointer in can_create() | |
| CVE-2024-56604 | Bluetooth: RFCOMM: avoid leaving dangling sk pointer in rfcomm_sock_alloc() | |
| CVE-2024-56605 | Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2cap_sock_create() | |
| CVE-2024-56606 | af_packet: avoid erroring out after sock_init_data() in packet_create() | |
| CVE-2024-56618 | pmdomain: imx: gpcv2: Adjust delay after power up handshake | |
| CVE-2024-56615 | bpf: fix OOB devmap writes when deleting elements | |
| CVE-2024-56616 | drm/dp_mst: Fix MST sideband message body length check | |
| CVE-2024-56617 | cacheinfo: Allocate memory during CPU hotplug if not done from the primary CPU | |
| CVE-2024-56614 | xsk: fix OOB map writes when deleting elements | |
| CVE-2024-56619 | nilfs2: fix potential out-of-bounds memory access in nilfs_find_entry() |
Showing top 20 of 221 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-46300
net: skbuff: preserve shared-frag marker during coalescing - CVE-2026-43503
net: skbuff: propagate shared-frag marker through frag-trans - CVE-2026-43502
net/rds: handle zerocopy send cleanup before the message is - CVE-2026-43501
ipv6: rpl: reserve mac_len headroom when recompressed SRH gr - CVE-2026-43498
accel/ivpu: Disallow re-exporting imported GEM objects
Same vendor: Linux
- CVE-2026-46300
net: skbuff: preserve shared-frag marker during coalescing - CVE-2026-43503
net: skbuff: propagate shared-frag marker through frag-trans - CVE-2026-43502
net/rds: handle zerocopy send cleanup before the message is - CVE-2026-43501
ipv6: rpl: reserve mac_len headroom when recompressed SRH gr - CVE-2026-43498
accel/ivpu: Disallow re-exporting imported GEM objects
V. Comments for CVE-2024-56532
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