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CVE-2024-56637— netfilter: ipset: Hold module reference while requesting a module

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netfilter:ipset模块中请求模块时未保持模块引用。

CVSS 7.3 · High EPSS 0.18% · P7

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux a7b4f989a629493bb4ec4a354def784d440b32c4< e5e2d3024753fdaca818b822e3827614bacbdccf affected
a7b4f989a629493bb4ec4a354def784d440b32c4< 6099b5d3e37145484fac4b8b4070c3f1abfb3519 affected
a7b4f989a629493bb4ec4a354def784d440b32c4< 0e67805e805c1f3edd6f43adbe08ea14b552694b affected
a7b4f989a629493bb4ec4a354def784d440b32c4< 5bae60a933ba5d16eed55c6b279be51bcbbc79b0 affected
a7b4f989a629493bb4ec4a354def784d440b32c4< 90bf312a6b6b3d6012137f6776a4052ee85e0340 affected
a7b4f989a629493bb4ec4a354def784d440b32c4< ba5e070f36682d07ca7ad2a953e6c9d96be19dca affected
a7b4f989a629493bb4ec4a354def784d440b32c4< 456f010bfaefde84d3390c755eedb1b0a5857c3c affected
2.6.39 affected
… +8 more rows
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I. Basic Information for CVE-2024-56637

Vulnerability Information
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Vulnerability Title
netfilter: ipset: Hold module reference while requesting a module
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Hold module reference while requesting a module User space may unload ip_set.ko while it is itself requesting a set type backend module, leading to a kernel crash. The race condition may be provoked by inserting an mdelay() right after the nfnl_unlock() call.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
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netfilter:ipset模块中请求模块时未保持模块引用。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux a7b4f989a629493bb4ec4a354def784d440b32c4 ~ e5e2d3024753fdaca818b822e3827614bacbdccf -
Linux Linux 2.6.39 -

II. Public POCs for CVE-2024-56637

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III. Intelligence Information for CVE-2024-56637

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Patches & Fixes for CVE-2024-56637 (7)

Same Patch Batch · Linux · 2024-12-27 · 221 CVEs total

CVE-2024-56640 9.8 CRITICAL net/smc: fix LGR and link use-after-free issue
CVE-2024-56645 9.8 CRITICAL can: j1939: j1939_session_new(): fix skb reference counting
CVE-2024-53169 9.8 CRITICAL nvme-fabrics: fix kernel crash while shutting down controller
CVE-2024-53209 9.8 CRITICAL bnxt_en: Fix receive ring space parameters when XDP is active
CVE-2024-53206 9.8 CRITICAL tcp: Fix use-after-free of nreq in reqsk_timer_handler().
CVE-2024-56656 9.8 CRITICAL bnxt_en: Fix aggregation ID mask to prevent oops on 5760X chips
CVE-2024-53186 9.8 CRITICAL ksmbd: fix use-after-free in SMB request handling
CVE-2024-53176 9.8 CRITICAL smb: During unmount, ensure all cached dir instances drop their dentry
CVE-2024-53177 9.8 CRITICAL smb: prevent use-after-free due to open_cached_dir error paths
CVE-2024-53179 9.8 CRITICAL smb: client: fix use-after-free of signing key
CVE-2024-56591 8.8 HIGH Bluetooth: hci_conn: Use disable_delayed_work_sync
CVE-2024-56626 8.8 HIGH ksmbd: fix Out-of-Bounds Write in ksmbd_vfs_stream_write
CVE-2024-53237 8.8 HIGH Bluetooth: fix use-after-free in device_for_each_child()
CVE-2024-53224 8.8 HIGH RDMA/mlx5: Move events notifier registration to be after device registration
CVE-2024-56651 8.8 HIGH can: hi311x: hi3110_can_ist(): fix potential use-after-free
CVE-2024-56653 8.8 HIGH Bluetooth: btmtk: avoid UAF in btmtk_process_coredump
CVE-2024-56669 8.8 HIGH iommu/vt-d: Remove cache tags before disabling ATS
CVE-2024-56627 8.1 HIGH ksmbd: fix Out-of-Bounds Read in ksmbd_vfs_stream_read
CVE-2024-56606 7.8 HIGH af_packet: avoid erroring out after sock_init_data() in packet_create()
CVE-2024-56608 7.8 HIGH drm/amd/display: Fix out-of-bounds access in 'dcn21_link_encoder_create'

Showing top 20 of 221 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-56637

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