CVE-2022-50229— ALSA: bcd2000: Fix a UAF bug on the error path of probing
Affected Version Matrix 20
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | b47a22290d581277be70e8a597824a4985d39e83< a718eba7e458e2f40531be3c6b6a0028ca7fcace | affected |
b47a22290d581277be70e8a597824a4985d39e83< 4fc41f7ebb7efca282f1740ea934d16f33c1d109 | affected | ||
b47a22290d581277be70e8a597824a4985d39e83< 5e7338f4dd92b2f8915a82abfa1dd3ad3464bea0 | affected | ||
b47a22290d581277be70e8a597824a4985d39e83< 05e0bb8c3c4dde3e21b9c1cf9395afb04e8b24db | affected | ||
b47a22290d581277be70e8a597824a4985d39e83< 348620464a5c127399ac09b266f494f393661952 | affected | ||
b47a22290d581277be70e8a597824a4985d39e83< 64ca7f50ad96c2c65ae390b954925a36eabe04aa | affected | ||
b47a22290d581277be70e8a597824a4985d39e83< 1d6a246cf97c380f2da76591f03019dd9c9599c3 | affected | ||
b47a22290d581277be70e8a597824a4985d39e83< b0d4af0a4763ddc02344789ef2a281c494bc330d | affected | ||
| … +12 more rows | |||
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I. Basic Information for CVE-2022-50229
Vulnerability Information
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Vulnerability Title
ALSA: bcd2000: Fix a UAF bug on the error path of probing
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: bcd2000: Fix a UAF bug on the error path of probing When the driver fails in snd_card_register() at probe time, it will free the 'bcd2k->midi_out_urb' before killing it, which may cause a UAF bug. The following log can reveal it: [ 50.727020] BUG: KASAN: use-after-free in bcd2000_input_complete+0x1f1/0x2e0 [snd_bcd2000] [ 50.727623] Read of size 8 at addr ffff88810fab0e88 by task swapper/4/0 [ 50.729530] Call Trace: [ 50.732899] bcd2000_input_complete+0x1f1/0x2e0 [snd_bcd2000] Fix this by adding usb_kill_urb() before usb_free_urb().
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bcd2000在错误路径上未杀死urb，可能导致释放后重用。
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-2022-50229
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|---|
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Same Patch Batch · Linux · 2025-06-18 · 362 CVEs total
| CVE-2022-50103 | sched, cpuset: Fix dl_cpu_busy() panic due to empty cs->cpus_allowed | |
| CVE-2022-50114 | net: 9p: fix refcount leak in p9_read_work() error handling | |
| CVE-2022-50113 | ASoc: audio-graph-card2: Fix refcount leak bug in __graph_get_type() | |
| CVE-2022-50112 | rpmsg: qcom_smd: Fix refcount leak in qcom_smd_parse_edge | |
| CVE-2022-50111 | ASoC: mt6359: Fix refcount leak bug | |
| CVE-2022-50110 | watchdog: sp5100_tco: Fix a memory leak of EFCH MMIO resource | |
| CVE-2022-50109 | video: fbdev: amba-clcd: Fix refcount leak bugs | |
| CVE-2022-50108 | mfd: max77620: Fix refcount leak in max77620_initialise_fps | |
| CVE-2022-50106 | powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address | |
| CVE-2022-50107 | cifs: Fix memory leak when using fscache | |
| CVE-2022-50105 | powerpc/spufs: Fix refcount leak in spufs_init_isolated_loader | |
| CVE-2022-50104 | powerpc/xive: Fix refcount leak in xive_get_max_prio | |
| CVE-2022-50098 | scsi: qla2xxx: Fix crash due to stale SRB access around I/O timeouts | |
| CVE-2022-50093 | iommu/vt-d: avoid invalid memory access via node_online(NUMA_NO_NODE) | |
| CVE-2022-50095 | posix-cpu-timers: Cleanup CPU timers before freeing them during exec | |
| CVE-2022-50094 | spmi: trace: fix stack-out-of-bound access in SPMI tracing functions | |
| CVE-2022-50096 | x86/kprobes: Update kcb status flag after singlestepping | |
| CVE-2022-50097 | video: fbdev: s3fb: Check the size of screen before memset_io() | |
| CVE-2022-50100 | sched/core: Do not requeue task on CPU excluded from cpus_mask | |
| CVE-2022-50102 | video: fbdev: arkfb: Fix a divide-by-zero bug in ark_set_pixclock() |
Showing top 20 of 362 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-46331
net/sched: fix pedit partial COW leading to page cache corru - CVE-2026-52907
media: rockchip: rkcif: fix off by one bugs - CVE-2026-52906
9p: fix access mode flags being ORed instead of replaced - CVE-2026-52905
mm/damon/core: disallow non-power of two min_region_sz on da - CVE-2026-52904
drm/nouveau: fix nvkm_device leak on aperture removal failur
Same vendor: Linux
- CVE-2026-46331
net/sched: fix pedit partial COW leading to page cache corru - CVE-2026-52907
media: rockchip: rkcif: fix off by one bugs - CVE-2026-52906
9p: fix access mode flags being ORed instead of replaced - CVE-2026-52905
mm/damon/core: disallow non-power of two min_region_sz on da - CVE-2026-52904
drm/nouveau: fix nvkm_device leak on aperture removal failur
V. Comments for CVE-2022-50229
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