CVE-2022-49438— Input: sparcspkr - fix refcount leak in bbc_beep_probe
Affected Version Matrix 20
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 9c1a5077fdca99356c891af37931e537dea874f5< 2f51db16cb740ff90086189a1ef2581eab665591 | affected |
9c1a5077fdca99356c891af37931e537dea874f5< f13064b0f2c651a3fbb0749932795c6fd21556a8 | affected | ||
9c1a5077fdca99356c891af37931e537dea874f5< 353bc58ac6c782d4dcde9136a91d1f90867938fe | affected | ||
9c1a5077fdca99356c891af37931e537dea874f5< bbc2b0ce6042dd3117827f10ea8cb67e0ab786da | affected | ||
9c1a5077fdca99356c891af37931e537dea874f5< 6e07ccc7d56130f760d23f67a70c45366c07debc | affected | ||
9c1a5077fdca99356c891af37931e537dea874f5< 418b6a3e12f75638abc5673eb76cb32127d0ab13 | affected | ||
9c1a5077fdca99356c891af37931e537dea874f5< 73d6f42d8d86648bec2e73d34fe1648cb6d23e08 | affected | ||
9c1a5077fdca99356c891af37931e537dea874f5< 1124e39fea0e2fdb4202f95b716cb97cc7de7cc7 | affected | ||
| … +12 more rows | |||
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I. Basic Information for CVE-2022-49438
Vulnerability Information
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Vulnerability Title
Input: sparcspkr - fix refcount leak in bbc_beep_probe
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: Input: sparcspkr - fix refcount leak in bbc_beep_probe of_find_node_by_path() calls of_find_node_opts_by_path(), which returns a node pointer with refcount incremented, we should use of_node_put() on it when done. Add missing of_node_put() to avoid refcount leak.
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bbc_beep_probe中的引用计数泄漏。
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-2022-49438
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Linux · 2025-02-26 · 706 CVEs total
| CVE-2022-49498 | ALSA: pcm: Check for null pointer of pointer substream before dereferencing it | |
| CVE-2022-49486 | ASoC: fsl: Fix refcount leak in imx_sgtl5000_probe | |
| CVE-2022-49488 | drm/msm/mdp5: Return error code in mdp5_mixer_release when deadlock is detected | |
| CVE-2022-49489 | drm/msm/disp/dpu1: set vbif hw config to NULL to avoid use after memory free during pm run | |
| CVE-2022-49490 | drm/msm/mdp5: Return error code in mdp5_pipe_release when deadlock is detected | |
| CVE-2022-49491 | drm/rockchip: vop: fix possible null-ptr-deref in vop_bind() | |
| CVE-2022-49492 | nvme-pci: fix a NULL pointer dereference in nvme_alloc_admin_tags | |
| CVE-2022-49493 | ASoC: rt5645: Fix errorenous cleanup order | |
| CVE-2022-49494 | mtd: rawnand: cadence: fix possible null-ptr-deref in cadence_nand_dt_probe() | |
| CVE-2022-49495 | drm/msm/hdmi: check return value after calling platform_get_resource_byname() | |
| CVE-2022-49497 | net: remove two BUG() from skb_checksum_help() | |
| CVE-2022-49496 | media: mediatek: vcodec: prevent kernel crash when rmmod mtk-vcodec-dec.ko | |
| CVE-2022-49502 | media: rga: fix possible memory leak in rga_probe | |
| CVE-2022-49507 | regulator: da9121: Fix uninit-value in da9121_assign_chip_model() | |
| CVE-2022-49508 | HID: elan: Fix potential double free in elan_input_configured | |
| CVE-2022-49506 | drm/mediatek: Add vblank register/unregister callback functions | |
| CVE-2022-49504 | scsi: lpfc: Inhibit aborts if external loopback plug is inserted | |
| CVE-2022-49505 | NFC: NULL out the dev->rfkill to prevent UAF | |
| CVE-2022-49501 | usbnet: Run unregister_netdev() before unbind() again | |
| CVE-2022-49500 | wl1251: dynamically allocate memory used for DMA |
Showing top 20 of 706 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-46333
ptrace: slightly saner 'get_dumpable()' logic - CVE-2026-43490
ksmbd: validate inherited ACE SID length - CVE-2026-43489
liveupdate: luo_file: remember retrieve() status - CVE-2026-43487
ata: libata-core: Disable LPM on ST1000DM010-2EP102 - CVE-2026-43488
usb: xhci: Prevent interrupt storm on host controller error
Same vendor: Linux
- CVE-2026-46333
ptrace: slightly saner 'get_dumpable()' logic - CVE-2026-43490
ksmbd: validate inherited ACE SID length - CVE-2026-43489
liveupdate: luo_file: remember retrieve() status - CVE-2026-43487
ata: libata-core: Disable LPM on ST1000DM010-2EP102 - CVE-2026-43488
usb: xhci: Prevent interrupt storm on host controller error
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