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CVE-2022-49370— firmware: dmi-sysfs: Fix memory leak in dmi_sysfs_register_handle

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.

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。

AI Predicted 5.5 Difficulty: Theoretical EPSS 0.29% · P22

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 20

VendorProduct Version RangeStatus
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: CVE Program / CVE List V5
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: 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
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux 948af1f0bbc8526448e8cbe3f8d3bf211bdf5181 ~ a9bfb37d6ba7c376b0d53337a4c5f5ff324bd725 -
Linux Linux 2.6.39 -

II. Public POCs for CVE-2022-49370

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III. Intelligence Information for CVE-2022-49370

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Patches & Fixes for CVE-2022-49370 (9)

Same Patch Batch · Linux · 2025-02-26 · 706 CVEs total

CVE-2022-49561 9.8 CRITICAL netfilter: conntrack: re-fetch conntrack after insertion
CVE-2022-49149 9.8 CRITICAL rxrpc: Fix call timer start racing with call destruction
CVE-2022-49407 9.8 CRITICAL dlm: fix plock invalid read
CVE-2022-49356 9.8 CRITICAL SUNRPC: Trap RDMA segment overflows
CVE-2022-49362 9.8 CRITICAL NFSD: Fix potential use-after-free in nfsd_file_put()
CVE-2022-49280 9.8 CRITICAL NFSD: prevent underflow in nfssvc_decode_writeargs()
CVE-2022-49260 9.8 CRITICAL crypto: hisilicon/sec - fix the aead software fallback for engine
CVE-2022-49418 9.8 CRITICAL NFSv4: Fix free of uninitialized nfs4_label on referral lookup.
CVE-2022-49201 9.8 CRITICAL ibmvnic: fix race between xmit and reset
CVE-2022-49194 9.8 CRITICAL net: bcmgenet: Use stronger register read/writes to assure ordering
CVE-2022-49093 9.8 CRITICAL skbuff: fix coalescing for page_pool fragment recycling
CVE-2022-49094 9.8 CRITICAL net/tls: fix slab-out-of-bounds bug in decrypt_internal
CVE-2022-49058 9.1 CRITICAL cifs: potential buffer overflow in handling symlinks
CVE-2022-49416 8.8 HIGH wifi: mac80211: fix use-after-free in chanctx code
CVE-2022-49535 8.8 HIGH scsi: lpfc: Fix null pointer dereference after failing to issue FLOGI and PLOGI
CVE-2022-49238 8.8 HIGH ath11k: free peer for station when disconnect from AP for QCA6390/WCN6855
CVE-2022-49519 8.8 HIGH ath10k: skip ath10k_halt during suspend for driver state RESTARTING
CVE-2022-49138 8.8 HIGH Bluetooth: hci_event: Ignore multiple conn complete events
CVE-2022-49471 8.8 HIGH rtw89: cfo: check mac_id to avoid out-of-bounds
CVE-2022-49159 8.8 HIGH scsi: qla2xxx: Implement ref count for SRB

Showing top 20 of 706 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-49370

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