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CVE-2022-49442— drivers/base/node.c: fix compaction sysfs file leak

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compaction sysfs文件泄漏。

AI Predicted 3.7 Difficulty: Easy EPSS 0.29% · P20

Possible ATT&CK Techniques 1 AI

T1552 · Unsecured Credentials

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux ed4a6d7f0676db50b5023cc01f6cda82a2f2a307< 39642b0feddb9c39faa6de469a94bfeb4dc0d3a9 affected
ed4a6d7f0676db50b5023cc01f6cda82a2f2a307< 606732650a2c88e66c59c22dd5464ea0d820250e affected
ed4a6d7f0676db50b5023cc01f6cda82a2f2a307< f76ddc8fcf6d81fe89bfa4d3efcbc4fe69a91d48 affected
ed4a6d7f0676db50b5023cc01f6cda82a2f2a307< 386e69e068177ee91cac27f2f0e6ebda1515f5ca affected
ed4a6d7f0676db50b5023cc01f6cda82a2f2a307< d8a5bdc767f17281da648555cdbd286f98fd98ee affected
ed4a6d7f0676db50b5023cc01f6cda82a2f2a307< b3fcf1f583b1a0946d9d9bfb7362c9c186801775 affected
ed4a6d7f0676db50b5023cc01f6cda82a2f2a307< 466134df7561aeb801baddf6666b512e0e1a1707 affected
ed4a6d7f0676db50b5023cc01f6cda82a2f2a307< 6905be93d1ab54f73718047536fec0ca488d5315 affected
… +12 more rows
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I. Basic Information for CVE-2022-49442

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Vulnerability Title
drivers/base/node.c: fix compaction sysfs file leak
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drivers/base/node.c: fix compaction sysfs file leak Compaction sysfs file is created via compaction_register_node in register_node. But we forgot to remove it in unregister_node. Thus compaction sysfs file is leaked. Using compaction_unregister_node to fix this issue.
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compaction sysfs文件泄漏。
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 ed4a6d7f0676db50b5023cc01f6cda82a2f2a307 ~ 39642b0feddb9c39faa6de469a94bfeb4dc0d3a9 -
Linux Linux 2.6.35 -

II. Public POCs for CVE-2022-49442

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III. Intelligence Information for CVE-2022-49442

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Patches & Fixes for CVE-2022-49442 (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-2022-49362 9.8 CRITICAL NFSD: Fix potential use-after-free in nfsd_file_put()
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-2022-49260 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-2022-49407 9.8 CRITICAL dlm: fix plock invalid read
CVE-2022-49094 9.8 CRITICAL net/tls: fix slab-out-of-bounds bug in decrypt_internal
CVE-2022-49280 9.8 CRITICAL NFSD: prevent underflow in nfssvc_decode_writeargs()
CVE-2022-49356 9.8 CRITICAL SUNRPC: Trap RDMA segment overflows
CVE-2022-49058 9.1 CRITICAL cifs: potential buffer overflow in handling symlinks
CVE-2022-49500 8.8 HIGH wl1251: dynamically allocate memory used for DMA
CVE-2022-49470 8.8 HIGH Bluetooth: btmtksdio: fix use-after-free at btmtksdio_recv_event
CVE-2022-49114 8.8 HIGH scsi: libfc: Fix use after free in fc_exch_abts_resp()
CVE-2022-49535 8.8 HIGH scsi: lpfc: Fix null pointer dereference after failing to issue FLOGI and PLOGI
CVE-2022-49471 8.8 HIGH rtw89: cfo: check mac_id to avoid out-of-bounds
CVE-2022-49111 8.8 HIGH Bluetooth: Fix use after free in hci_send_acl
CVE-2022-49519 8.8 HIGH ath10k: skip ath10k_halt during suspend for driver state RESTARTING

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-2022-49442

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