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CVE-2024-44940— fou: remove warn in gue_gro_receive on unsupported protocol

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，该漏洞源于在gue_gro_receive处理未知或没有GRO处理程序的封装类型时存在警告问题。

CVSS 7.5 · High EPSS 0.76% · P52

Possible ATT&CK Techniques 1 AI

T1498 · Network Denial of Service

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 37dd0247797b168ad1cc7f5dbec825a1ee66535b< a925a200299a6dfc7c172f54da6f374edc930053 affected
37dd0247797b168ad1cc7f5dbec825a1ee66535b< b1453a5616c7bd8acd90633ceba4e59105ba3b51 affected
37dd0247797b168ad1cc7f5dbec825a1ee66535b< 5a2e37bc648a2503bf6d687aed27b9f4455d82eb affected
37dd0247797b168ad1cc7f5dbec825a1ee66535b< 3db4395332e7050ef9ddeb3052e6b5019f2a2a59 affected
37dd0247797b168ad1cc7f5dbec825a1ee66535b< 440ab7f97261bc28501636a13998e1b1946d2e79 affected
37dd0247797b168ad1cc7f5dbec825a1ee66535b< dd89a81d850fa9a65f67b4527c0e420d15bf836c affected
3.18 affected
< 3.18 unaffected
… +6 more rows
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I. Basic Information for CVE-2024-44940

Vulnerability Information
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Vulnerability Title
fou: remove warn in gue_gro_receive on unsupported protocol
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: fou: remove warn in gue_gro_receive on unsupported protocol Drop the WARN_ON_ONCE inn gue_gro_receive if the encapsulated type is not known or does not have a GRO handler. Such a packet is easily constructed. Syzbot generates them and sets off this warning. Remove the warning as it is expected and not actionable. The warning was previously reduced from WARN_ON to WARN_ON_ONCE in commit 270136613bf7 ("fou: Do WARN_ON_ONCE in gue_gro_receive for bad proto callbacks").
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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，该漏洞源于在gue_gro_receive处理未知或没有GRO处理程序的封装类型时存在警告问题。
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 37dd0247797b168ad1cc7f5dbec825a1ee66535b ~ a925a200299a6dfc7c172f54da6f374edc930053 -
Linux Linux 3.18 -

II. Public POCs for CVE-2024-44940

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III. Intelligence Information for CVE-2024-44940

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Patches & Fixes for CVE-2024-44940 (2)

Other References for CVE-2024-44940 (3)

Same Patch Batch · Linux · 2024-08-26 · 39 CVEs total

CVE-2024-44942 7.8 HIGH f2fs: fix to do sanity check on F2FS_INLINE_DATA flag in inode during GC
CVE-2024-43910 7.8 HIGH bpf: add missing check_func_arg_reg_off() to prevent out-of-bounds memory accesses
CVE-2024-44934 7.8 HIGH net: bridge: mcast: wait for previous gc cycles when removing port
CVE-2024-43897 7.8 HIGH net: drop bad gso csum_start and offset in virtio_net_hdr
CVE-2024-43892 7.8 HIGH memcg: protect concurrent access to mem_cgroup_idr
CVE-2024-43891 7.8 HIGH tracing: Have format file honor EVENT_FILE_FL_FREED
CVE-2024-44939 7.8 HIGH jfs: fix null ptr deref in dtInsertEntry
CVE-2024-43888 7.8 HIGH mm: list_lru: fix UAF for memory cgroup
CVE-2024-44941 7.8 HIGH f2fs: fix to cover read extent cache access with lock
CVE-2024-44933 7.3 HIGH bnxt_en : Fix memory out-of-bounds in bnxt_fill_hw_rss_tbl()
CVE-2024-43913 7.0 HIGH nvme: apple: fix device reference counting
CVE-2024-44938 jfs: Fix shift-out-of-bounds in dbDiscardAG
CVE-2024-44937 platform/x86: intel-vbtn: Protect ACPI notify handler against recursion
CVE-2024-44936 power: supply: rt5033: Bring back i2c_set_clientdata
CVE-2024-44935 sctp: Fix null-ptr-deref in reuseport_add_sock().
CVE-2024-44932 idpf: fix UAFs when destroying the queues
CVE-2024-44931 gpio: prevent potential speculation leaks in gpio_device_get_desc()
CVE-2024-43914 md/raid5: avoid BUG_ON() while continue reshape after reassembling
CVE-2024-43912 wifi: nl80211: disallow setting special AP channel widths
CVE-2024-43911 wifi: mac80211: fix NULL dereference at band check in starting tx ba session

Showing top 20 of 39 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-44940

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