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CVE-2024-45010— mptcp: pm: only mark 'subflow' endp as available

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mptcp:pm组件存在子流端点标记问题。

AI Predicted 5.5 Difficulty: Hard EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 10

VendorProduct Version RangeStatus
Linux Linux 06faa22710342bca5e9c249634199c650799fce6< 7fdc870d08960961408a44c569f20f50940e7d4f affected
06faa22710342bca5e9c249634199c650799fce6< 43cf912b0b0fc7b4fd12cbc735d1f5afb8e1322d affected
06faa22710342bca5e9c249634199c650799fce6< 9849cfc67383ceb167155186f8f8fe8a896b60b3 affected
06faa22710342bca5e9c249634199c650799fce6< 322ea3778965da72862cca2a0c50253aacf65fe6 affected
5.13 affected
< 5.13 unaffected
6.1.108≤ 6.1.* unaffected
6.6.48≤ 6.6.* unaffected
… +2 more rows
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I. Basic Information for CVE-2024-45010

Vulnerability Information
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Vulnerability Title
mptcp: pm: only mark 'subflow' endp as available
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: only mark 'subflow' endp as available Adding the following warning ... WARN_ON_ONCE(msk->pm.local_addr_used == 0) ... before decrementing the local_addr_used counter helped to find a bug when running the "remove single address" subtest from the mptcp_join.sh selftests. Removing a 'signal' endpoint will trigger the removal of all subflows linked to this endpoint via mptcp_pm_nl_rm_addr_or_subflow() with rm_type == MPTCP_MIB_RMSUBFLOW. This will decrement the local_addr_used counter, which is wrong in this case because this counter is linked to 'subflow' endpoints, and here it is a 'signal' endpoint that is being removed. Now, the counter is decremented, only if the ID is being used outside of mptcp_pm_nl_rm_addr_or_subflow(), only for 'subflow' endpoints, and if the ID is not 0 -- local_addr_used is not taking into account these ones. This marking of the ID as being available, and the decrement is done no matter if a subflow using this ID is currently available, because the subflow could have been closed before.
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mptcp:pm组件存在子流端点标记问题。
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 06faa22710342bca5e9c249634199c650799fce6 ~ 7fdc870d08960961408a44c569f20f50940e7d4f -
Linux Linux 5.13 -

II. Public POCs for CVE-2024-45010

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III. Intelligence Information for CVE-2024-45010

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Patches & Fixes for CVE-2024-45010 (4)

Same Patch Batch · Linux · 2024-09-11 · 23 CVEs total

CVE-2024-45030 9.8 CRITICAL igb: cope with large MAX_SKB_FRAGS
CVE-2024-45013 9.8 CRITICAL nvme: move stopping keep-alive into nvme_uninit_ctrl()
CVE-2024-45009 8.2 HIGH mptcp: pm: only decrement add_addr_accepted for MPJ req
CVE-2024-45024 7.8 HIGH mm/hugetlb: fix hugetlb vs. core-mm PT locking
CVE-2024-45022 7.8 HIGH mm/vmalloc: fix page mapping if vm_area_alloc_pages() with high order fallback to order 0
CVE-2024-45023 7.8 HIGH md/raid1: Fix data corruption for degraded array with slow disk
CVE-2024-45020 7.8 HIGH bpf: Fix a kernel verifier crash in stacksafe()
CVE-2024-45019 7.8 HIGH net/mlx5e: Take state lock during tx timeout reporter
CVE-2024-45017 7.8 HIGH net/mlx5: Fix IPsec RoCE MPV trace call
CVE-2024-45016 7.8 HIGH netem: fix return value if duplicate enqueue fails
CVE-2024-45021 7.1 HIGH memcg_write_event_control(): fix a user-triggerable oops
CVE-2024-45026 7.0 HIGH s390/dasd: fix error recovery leading to data corruption on ESE devices
CVE-2024-46672 wifi: brcmfmac: cfg80211: Handle SSID based pmksa deletion
CVE-2024-45029 i2c: tegra: Do not mark ACPI devices as irq safe
CVE-2024-45011 char: xillybus: Check USB endpoints when probing device
CVE-2024-45028 mmc: mmc_test: Fix NULL dereference on allocation failure
CVE-2024-45012 nouveau/firmware: use dma non-coherent allocator
CVE-2024-45015 drm/msm/dpu: move dpu_encoder's connector assignment to atomic_enable()
CVE-2024-45014 s390/boot: Avoid possible physmem_info segment corruption
CVE-2024-45018 netfilter: flowtable: initialise extack before use

Showing top 20 of 23 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-45010

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