CVE-2022-49370— firmware: dmi-sysfs: Fix memory leak in dmi_sysfs_register_handle
Affected Version Matrix 20
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 948af1f0bbc8526448e8cbe3f8d3bf211bdf5181< a9bfb37d6ba7c376b0d53337a4c5f5ff324bd725 | affected |
948af1f0bbc8526448e8cbe3f8d3bf211bdf5181< ed38d04342dfbe9e5aca745c8b5eb4188a74f0ef | affected | ||
948af1f0bbc8526448e8cbe3f8d3bf211bdf5181< c66cc3c62870a27ea8f060a7e4c1ad8d26dd3f0d | affected | ||
948af1f0bbc8526448e8cbe3f8d3bf211bdf5181< a724634b2a49f6ff0177a9e19a5a92fc1545e1b7 | affected | ||
948af1f0bbc8526448e8cbe3f8d3bf211bdf5181< 985706bd3bbeffc8737bc05965ca8d24837bc7db | affected | ||
948af1f0bbc8526448e8cbe3f8d3bf211bdf5181< fdffa4ad8f6bf1ece877edfb807f2b2c729d8578 | affected | ||
948af1f0bbc8526448e8cbe3f8d3bf211bdf5181< 3ba359ebe914ac3f8c6c832b28007c14c39d3766 | affected | ||
948af1f0bbc8526448e8cbe3f8d3bf211bdf5181< ec752973aa721ee281d5441e497364637c626c7b | affected | ||
| … +12 more rows | |||
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I. Basic Information for CVE-2022-49370
Vulnerability Information
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Vulnerability Title
firmware: dmi-sysfs: Fix memory leak in dmi_sysfs_register_handle
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: firmware: dmi-sysfs: Fix memory leak in dmi_sysfs_register_handle kobject_init_and_add() takes reference even when it fails. According to the doc of kobject_init_and_add() If this function returns an error, kobject_put() must be called to properly clean up the memory associated with the object. Fix this issue by calling kobject_put().
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dmi_sysfs_register_handle函数在kobject_init_and_add失败时未调用kobject_put，可能导致内存泄漏。
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-2022-49370
| # | 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
V. Comments for CVE-2022-49370
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